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Solutions Search - Low Noise DC-DC Solutions

DC2522A - LT8609S Demo Board | Silent Switcher 2 Buck, 5.5V ≤ VIN ≤ 42V, VOUT = 5V @ 2A, fSW = 2MH

May 25th 2017
Demonstration circuit 2522A is a 42V, 2A/3A peak micropower synchronous step-down regulator featuring the LT®8609S. The demo board is designed for 5V output from a 5.5V to 42V input. The wide input range allows a variety of input sources, such as automotive batteries and industrial supplies. The LT8609S is a compact, high ...

Demo Board LTspice 

 

DC2593A - LT3045EDD-1 Demo Board | Ultralow Noise LDO, 3.8V ≤ VIN ≤ 20V, Vout = 3.3V @ 500mA

May 15th 2017
Demonstration circuit 2593A features the LT®3045EDD-1, a 500mA, ultralow noise, and ultrahigh power supply rejection ratio (PSRR) low dropout (LDO) regulator with programmable current limit.  DC2593A operates over an input range of 3.8V to 20V and has a 3.3V output. The LT3045-1 incorporates a VIOC tracking function ...

Demo Board 

 

DC2246B - LT3042EDD Demo Board | Ultralow Noise, Ultrahigh PSRR RF LDO, 3.8V ≤ VIN ≤ 20V, VOUT = 3.3V @ 200mA

Mar 28th 2017
DC2246B is a linear regulator demonstration circuit featuring the LT®3042EDD, which is a 200mA, ultralow noise, and ultrahigh power supply rejection ratio (PSRR) RF low dropout (LDO) regulator with programmable current limit. DC2246B operates over an input voltage range of 3.8V to 20V and is configured for 3.3V at its output. ...

Demo Board 

 

LT8608 Ultralow EMI 5V 1.5A Step-Down Converter

May 27th 2016
The LT®8608 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 1.7μA of quiescent current. The LT8608 can deliver 1.5A of continuous current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. ...

Circuit 

 

DC2177A-C - LT3063 Demo Board | Low Noise LDO with Output Discharge, 2.1V ≤ VIN ≤ 45V, Vout = 1.2V/1.5V/1.8V/2V/2.5V/3.3V/5V/Adj @ 200mA

May 9th 2016
Demonstration circuit 2177A-C features the LT®3063, a micropower, low noise and low dropout voltage linear regulator with active output discharge. The input voltage ranges from 2.1V to 45V and the maximum output current is 200mA. A resistor divider determines the output voltage, and a jumper adjusts the divider to set the ...

Demo Board 

 

DC2318A - LT3089EDF Demo Board | Linear Regulator with Safe Operating Area (SOA), 2.5V ≤ VIN ≤ 36V, Vout = 1.2V/1.5V/1.8V/2.5V/3.3V/5V/Adj @ 800mA

Apr 22nd 2016
Demonstration circuit 2276A is an 800mA low dropout rugged linear regulator featuring the LT®3089. It operates from 2.5V to 36V and has a jumper-selectable output voltage of 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V or user-selectable between 0V and 34.5V. Key features of the IC are an extended safe operating area (SOA), output ...

Demo Board 

 

DC2270A - LT3095 Demo Board | Dual Boost Plus Post-Regulator LDO Bias Generator, 3V ≤ VIN ≤ 20V, Vout1 = 5V @ 50mA, Vout2 = 15V @ 50mA

Oct 20th 2015
Demonstration circuit 2270A is a dual-channel low noise bias generator featuring LT3095. The LT3095 generates two low noise bias supplies from a common input voltage range from 3V to 20V. Each channel includes a fixed frequency, peak current mode step-up switching regulator and a low noise, single resistor programmable linear ...

Demo Board LTspice 

 

DC2235A - LTC3265 Demo Board | Dual Supply Boost/Inverting Charge Pumps with Post-Regulator LDOs, 4.5V ≤ VIN ≤ 16V, Vout = ±5V/±15V/±24V @ 50mA

Oct 5th 2015
Demonstration Circuit 2235A has boost and inverting charge pumps each with a low noise LDO post regulator featuring the LTC®3265EDHC. The LTC3265 operates with an input voltage from 4.5V to 16V for the boost charge pump and from 4.5V to 32V for the inverting charge pump. The demo board provides selectable LDO± output ...

Demo Board 

 

DC2276A - LT3091EDE Demo Board | Negative LDO with Prog Current Limit, -1.5V ≤ VIN ≤ -36V, Vout = -1.25V/-2.5V/-5V/-12V/-15V @ 1.5A

Sep 29th 2015
Demonstration circuit DC2276A is a 1.5A low dropout negative linear regulator featuring the LT®3091. This device is designed for applications requiring a negative output voltage,  output adjustability from -32V down to 0V, and low dropout voltage. The input voltage range is -1.5V to -36V and the output voltage is jumper ...

Demo Board LTspice 

 

LTC3265 Low Noise ±15V Outputs from a Single 12V Input

Aug 27th 2015
The LTC®3265 is a low noise dual polarity output power supply including a boost charge pump, an inverting charge pump and two low noise positive and negative LDO post regulators. The boost charge pump powers the positive LDO post regulator while the inverting charge pump powers the negative LDO regulator. Each LDO can provide ...

Circuit 

 

LTC3265 Low Power ±20V Power Supply from a Single-Ended 15V Input Supply

Aug 27th 2015
The LTC®3265 is a low noise dual polarity output power supply including a boost charge pump, an inverting charge pump and two low noise positive and negative LDO post regulators. The boost charge pump powers the positive LDO post regulator while the inverting charge pump powers the negative LDO regulator. Each LDO can provide ...

Circuit 

 

LTC3265 Low Noise +7V/–2V Power Supply from a Single-Ended 5V Input Supply (Frequency = 200kHz)

Aug 27th 2015
The LTC®3265 is a low noise dual polarity output power supply including a boost charge pump, an inverting charge pump and two low noise positive and negative LDO post regulators. The boost charge pump powers the positive LDO post regulator while the inverting charge pump powers the negative LDO regulator. Each LDO can provide ...

Circuit 

 

DC2243A - LT3668EMSE DLT3668EMSE Demo Board | Buck Plus Dual Post-Regulator LDOs, 7V ≤ VIN ≤ 40V; VOUT1 = 6V @ 0.4A, VOUT2 = 5V @ 0.2A, VOUT3 = 5V @ 0.2Aemo Board | 7V ≤ VIN ≤ 40V; VOUT1 = 6V @ 0.4A, VOUT2 = 5V @ 0.2A, VOUT3 = 5V @ 0.2A

Mar 30th 2015
Demonstration circuit 2243A is a triple power supply that includes one 400mA step-down regulator and two 200mA low dropout (LDO) linear tracking regulators featuring the LT®3668. The demo circuit is designed for one 6V and dual 5V outputs from a 7V to 40V input. Two LDO outputs are configured as post-regulators of the switching ...

Demo Board 

 

LT3042 5V VIN to 3V VOUT with 0.8μVRMS Integrated Noise

Mar 4th 2015
The LT®3042 is a high performance low dropout linear regulator featuring LTC’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive RF applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3042 can be easily paralleled to further reduce noise, ...

Circuit 

 

LT3042 Ultralow Noise Higher Current Regulator with External PNP

Mar 4th 2015
The LT®3042 is a high performance low dropout linear regulator featuring LTC’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive RF applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3042 can be easily paralleled to further reduce noise, ...

Circuit 

 

Paralleling Multiple LT3042s for Higher Output Current

Mar 4th 2015
The LT®3042 is a high performance low dropout linear regulator featuring LTC’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive RF applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3042 can be easily paralleled to further reduce noise, ...

Circuit 

 

LT3042 Ultralow Noise 5Vin to 2Vout Higher Current (1A) Regulator with External NPN

Mar 4th 2015
The LT®3042 is a high performance low dropout linear regulator featuring LTC’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive RF applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3042 can be easily paralleled to further reduce noise, ...

Circuit 

 

LT3042 5Vin to 3.3Vout @ 400mA Using Parallel Devices

Mar 4th 2015
The LT®3042 is a high performance low dropout linear regulator featuring LTC’s ultralow noise and ultrahigh PSRR architecture for powering noise sensitive RF applications. Designed as a precision current reference followed by a high performance voltage buffer, the LT3042 can be easily paralleled to further reduce noise, ...

Circuit 

 

LT3070 Triple Output Supply Providing 1V, 8A and 1.8V, 5A and 1.5V, 3A

Feb 24th 2015
The LT3070 is a low voltage, UltraFast™ transient response linear regulator. The device supplies up to 5A of output current with a typical dropout voltage of 85mV. A 0.01μF reference bypass capacitor decreases output voltage noise to 25μVRMS. The LT3070’s high bandwidth permits the use of low ESR ceramic capacitors, ...

Circuit 

 

LT3999 12V to 12V, 10W Low Noise Isolated DC/DC Converter

Sep 12th 2014
The LT®3999 is a monolithic, high voltage, high frequency DC/DC transformer driver providing isolated power in a small solution footprint. ...

Circuit 

 

LT3999 5V to 12V, 10W Low Power Push-Pull DC Transformer

Sep 12th 2014
The LT®3999 is a monolithic, high voltage, high frequency DC/DC transformer driver providing isolated power in a small solution footprint. ...

Circuit 

 

DC2120A - LT3048-15 Demo Board | Boost with Integrated Schottky and Post-Regulator LDO, 2.7V ≤ VIN ≤ 4.8V, 15Vout @ up to 35mA

Apr 14th 2014
Demonstration circuit 2120A features the LT3048-15, a Boost DC/DC Converter with integrated Schottky diode and LDO in a 2mm × 2mm DFN package. This demo board is designed to convert a 2.7V to 4.8V input to a 15V output at 19mA to 35mA with low output ripple and noise. The LT3048-15 is programmed for 2MHz switching frequency. ...

Demo Board LTspice 

 

DC2072A - LT3065 Demo Board | Low Noise Linear Regulator, Prog Current Limit, 5.35V ≤ VIN ≤ 45V, Vout = 1.2V to 5V @ 500mA

Feb 25th 2014
Demonstration circuit 2072A is an adjustable 500mA linear regulator featuring the LT®3065. The LT3065 is a micropower, low noise and low dropout voltage linear regulator. The device supplies 500mA of output current with a typical dropout voltage of 300mV. A 10nF bypass capacitor reduces output noise to 25μVRMS in a 10Hz ...

Demo Board LTspice 

 

Reduce EMI and Improve Efficiency with Silent Switcher Designs

Christian Kueck Dec 17th 2013
Switching regulators replace linear regulators in areas where low heat dissipation and efficiency are valued. The switching regulator is typically the first active component on the input power bus line, and therefore has a significant impact on the EMI performance of the complete converter circuit. Modern input filter components ...

Blog Post 

 

DC1948A - LT3090 Demo Board | Negative Linear Regulator with Prog Current Limit, -1.5V ≤ VIN ≤ -36V, Vout = -1.25V/-2.5V/-5V/-12V/-15V/-18V @ 600mA

Sep 16th 2013
Demonstration circuit 1948A is a 600mA low dropout negative linear regulator featuring the LT®3090. This device is designed for applications requiring negative output voltage, high current with no heat sink, output adjustability to zero and low dropout voltage. The LT3090 features fast transient response, high PSRR and low ...

Demo Board LTspice 

 

DC1870A - LT3081EFE Demo Board | Single Resistor Rugged Linear Regulator with Monitors, 2.8V ≤ VIN ≤ 36V, Vout = 1.2V/1.5V/1.8V/2.5V/3.3V/5V/12V @ 1.5A

Jul 25th 2013
DC1870A is a 1.5A low dropout linear regulator featuring the LT®3081. The device is designed for rugged industrial applications and can be paralleled for higher output current or heat spreading. Besides paralleling, the LT3081 also presents other features including adjustability to zero VOUT, reverse protection for input ...

Demo Board LTspice 

 

DC1855A - LT3030 Demo Board | Dual, Low Noise, Micropower Linear Regulator 2.2V ≤ VIN ≤ 20V, Vout1/Vout2 = 1.5V/1.8V/2.5V/3.3V/5V @ 750mA/250mA

Mar 21st 2013
Demonstration circuit 1855A is a dual, micropower, low noise and low dropout voltage linear regulator featuring the LT3030. The input voltages are independent for each channel of DC1855A and can range from 2.2V to 20V. Each channel has a jumper that sets the output voltage to either 1.5V, 1.8V, 2.5V, 3.3V, 5V or a voltage that ...

Demo Board LTspice 

 

DC1738A - LTM8028EY Demo Board | uModule Regulator with Low Noise LDO Post-Regulator, 6V ≤ VIN ≤ 36V, VOUT = 0.8V to 1.8V @ 5A

Feb 14th 2013
Demonstration circuit 1738A features the LTM®8028, a μModule® step-down converter that integrates both a high efficiency switching regulator and a 5A UltraFast™ linear regulator, resulting in a low noise solution suitable for high speed data applications. The demo circuit is designed for an input voltage of ...

Demo Board LTspice 

 

DC1793A - LTC3260EMSE Demo Board | Low Noise Dual Supply Inverting Charge Pump Plus ±LDO, 4.5V ≤ VIN ≤ 32V, Vout = ±3.3V/±5V/±12V/±24V/±Adj @ ±50mA

May 30th 2012
Demonstration circuit 1793A is a high voltage inverting charge pump with low noise dual-polarity LDO regulators featuring the LTC®3260EMSE. The LTC3260 operates with an input voltage from 4.5V to 32V. The demo board provides selectable LDO± output set magnitudes of 3.3V, 5V, 12V and 24V for each polarity. Additional ...

Demo Board LTspice 

 

DC1728A - LT3015 Demo Board | Low Noise, Negative Linear Regulator, Precision Current Limit, -1.8V ≤ VIN ≤ -30V, Vout = -1.22/-2.5/-5/-12/-15V @ 1.5A

Aug 17th 2011
Demonstration circuit 1728A is an adjustable 1.5A negative linear regulator featuring the LT3015. This device supplies up to 1.5A of output current at a typical dropout voltage of 300mV. Operating quiescent current is typically 1.1mA and drops to < 1μA in shutdown. Quiescent current is also well controlled in dropout. ...

Demo Board LTspice 

 

Ultralow-EMI, 96W, Step-Down μModule Regulator— EN55022 Class B Certified in a 15mm x 15mm Footprint

Apr 25th 2011
The LTM4613 delivers high output power and efficiency with demonstrated EMI performance that complies with EN55022 Class B. With carefully designed integrated filter, meticulous internal layout, shielded inductor, internal snubber circuitry and power transistor driver, the LTM4613 achieves a perfect balance between the size, ...

Circuit 

 

Minimizing Switching Regulator Residue in Linear Regulator Outputs

Jim Williams - Applications Guru Mar 21st 2011
Linear regulators are commonly employed to post-regulate switching regulator outputs. Benefits include improved stability, accuracy, transient response and lowered output impedance. Ideally, these performance gains would be accompanied by markedly reduced switching regulator generated ripple and spikes. In practice, all linear ...

Video 

 

DC1622A - LT3032IDE Demo Board | Dual Positive/Negative, Low Noise, Low Dropout Linear Regulator, ±2.3V ≤ VIN ≤ ±20V, Vout = ±1.2/±3.3/±5/±12/±15V @ ±150mA

Mar 1st 2010
Demonstration circuit 1622A is a dual 150mA linear regulator featuring the LT®3032. The LT3032 is a dual, positive and negative low dropout linear regulator. Each regulator supplies up to 150mA of output current with a typical 300mV dropout voltage. Each regulator’s quiescent current is low (<3μA total in shutdown) ...

Demo Board LTspice 

 

DC1209A - LT3060EDC Demo Board | Low Noise, Low Dropout, Micropower Linear Regulator, 2.1V ≤ VIN ≤ 45V, Vout = 1.2V/1.5V/1.8V/2.0V/2.5V/3.3V/5V @ 100mA

Feb 22nd 2010
Demonstration circuit 1209A is a Micropower, low dropout linear regulator featuring LT®3060, which comes in an 8-lead TSOT23 or 2mmX2mm DFN package. The DC1209A has an input voltage range from 2.1V to 45V, and is capable of delivering up to 100mA output current. The jumper-selectable output voltage can be set to 1.2V, 1.5V, ...

Demo Board LTspice 

 

DC1433A - LT3070EUFD Demo Board | 5A, Low Noise, Digitally Prog Output, Very Low Dropout Linear Regulator, 1.2V ≤ VIN ≤ 3V, Vout = 0.8V to 1.8V @ 5A

Feb 8th 2010
Demonstration circuit 1433 is an adjustable 5A linear regulator featuring the LT3070. The LT3070 is a low dropout voltage, UltraFast™ transient response linear regulator. The device supplies up to 5A of output current with a typical dropout voltage of 85mV. A 0.01μF reference bypass capacitor decreases output voltage ...

Demo Board LTspice 

 

DC1447A - LT3082EDD Demo Board | Prog 2-Terminal Linear Regulator, 2.8V ≤ VIN ≤ 35V, Vout = 1.2V/1.8V/2.5V/3.3V/5V @ 200mA

Oct 22nd 2009
Demonstration circuit 1447A is an adjustable 200mA linear regulator featuring LT®3082. Architected as a precision current source and voltage follower, it allows this new regulator to be used in many applications with adjustability to zero output. The LT3082 has an input range of 1.2V to 40V, but the demo board limits this ...

Demo Board LTspice 

 

9-24Vin to 1.8Vout @ 1A Low EMI uModule Power Supply

Oct 7th 2009
The LTM8031 is an electromagnetic compatible (EMC) 36V, 1A DC/DC μModule® buck converter designed to meet the radiated emissions requirements of EN55022. Conducted emission requirements can be met by adding standard filter components. Included in the package are the switching controller, power switches, inductor, filters and ...

Circuit 

 

Low Noise μModule DC/DC Converters Simplify EMI Design - LTM8032, LTM8031, LTM8020, LTM8021, LTM4606

David Ng - Module Devleopment Manager Sep 15th 2009
Electromagnetic interference (EMI)falls into two broad catgories - conducted and radiated. Conducted emissions refers to the noise that is carried on wires or other conductors, while radiated EMI floats through the air. While conducted EMI is certainly problematic, it is radiated EMI that makes design engineers cringe. Linear ...

Video 

 

Measuring Switching Regulator Noise

Jim Williams - Applications Guru Jun 15th 2009
The universal application of switching regulators, combined with the powered systems potential for supply noise sensitivity, mandates the need for a reliable noise measurement technique. Actually, switching regulator "noise" isn't really noise at all, but coherent, high frequency residue directly related to the regulators switching. ...

Video 

 

LTM8032 Ultralow Noise 5V/2A DC/DC μModule Regulator

Feb 10th 2009
The LTM®8032 is an electromagnetic compatible (EMC) 36V, 2A DC/DC step-down μModule® regulator designed to meet the radiated emissions requirements of EN55022. Conducted emission requirements can be met by adding standard filter components. Included in the package are the switching controller, power switches, inductor, ...

Circuit LTspice 

 

How To Build a Low Noise Power Supply for High Voltage (i.e. 100V up to 1000V) Transducers

Jim Williams - Applications Guru Sep 15th 2008
A Kilovolt with 100 Microvolts of Noise Photomultipliers (PMT), avalanche photodiodes (APD), ultrasonic transducers, capacitance microphones, radiation detectors and similar devices require high voltage, low current bias. Additionally, the high voltage must be pristinely free of noise; well under a millivolt is a common requirement ...

Video 

 

4.5 - 28Vin to 2.5Vout @ 6A Ultra Low Noise uModule Power Supply

Jul 22nd 2008
The LTM4606 is a complete EN55022 Class B certified noise high voltage 6A switching mode DC/DC power supply. Included in the package are the switching controller, power FETs, inductor, and all support components. The on-board input filter and noise cancellation circuits achieve low noise operation, thus effectively reducing ...

Circuit 

 

Build Your Own Laboratory Precision Voltage Source - LT1236, LT1881, LT1010, LT1017

Mark Thoren - Staff Scientist Jun 15th 2008
Every electronics lab needs a couple different types of voltage sources. Power supplies are the obvious choice, but these bench top supplies are not very stable over time and temperature, they cannot sink current and it can be very difficult to set an accurate voltage. This video gives a step-by-step demonstration of an amplifier ...

Video 

 

DC1368A - LT3080EDD-1 Demo Board | LT3080-1(x4), Paralleled, Single Resistor Prog Low Noise LDOs, 1.7V ≤ VIN ≤ 25V, Vout = 1.2V @ 4.4A

Feb 27th 2008
Demonstration circuit 1368A exercises four adjustable linear regulators in parallel using the LT3080-1, which incorporates an internal ballast resistor. The ballast resistor allows direct paralleling of devices without the need for PC board resistors or sensor resistors.The paralleled devices provide up to 4.4A of output current ...

Demo Board 

 

DC1172A - LT1965EDD Demo Board | Low Noise, Low Dropout Linear Regulator, 2.3V ≤ VIN ≤ 20V, Vout = 1.2V/1.5V/1.8V/2.5V/3.3V @ 1.1A

Aug 7th 2007
Demonstration circuit 1172A is a low dropout linear regulator featuring the LT®1965 in the 3x3 DFN-8 package. The demo board has an input voltage range from 2.3V to 20V, and is capable of delivering up to 1.1A of output current. The output voltage is jumper-selectable and can be set to 1.2V, 1.5V, 1.8V, 2.5V, 3.3V or a user-determined ...

Demo Board LTspice 

 

DC1294A - LT3080EDD Demo Board | LT3080(x4), Paralleled, Single Resistor LDOs, 3.8V ≤ VIN ≤ 25V, Vout = 3.3V @ 4.4A

Jul 20th 2007
Demonstration circuit 1294A exercises four adjustable linear regulators in parallel using the LT3080. A small 20 mΩ ballast resistor is required for parallel operation. A short PCB trace can easily serve that purpose. The paralleled devices provide up to 4.4A of output current at 3.3V. Architected as a precision current ...

Demo Board 

 

20-36Vin to 12Vout @ 16A 2-Phase Low Noise EN55022B Compliant uModule Power Supply

Mar 24th 2006
The LTM4613 is a complete, ultralow noise, 8A switch mode DC/DC power supply. Included in the package are the switching controller, power FETs, inductor and all support components. Operating over an input voltage range of 5V to 36V, the LTM4613 supports an output voltage range of 3.3V to 15V, set by a single external resistor. ...

Circuit 

 

LT3070 LDO Post Regulation For Low Noise and Ripple

Mar 9th 2006
The LT3070 is a low voltage, UltraFast transient response linear regulator. The device supplies up to 5A of output current with a typical dropout voltage of 85mV. A 0.01μF reference bypass capacitor decreases output voltage noise to 25μVRMS. The LT3070’s high bandwidth permits the use of low ESR ceramic capacitors, ...

Circuit 

 

DC704A - LT3023EDD Demo Board | Dual Output, Low Noise LDO Regulator, 2.3V ≤ VIN ≤ 20V, Vout1/Vout2 = 2.5V/3.3V/5V @ 100mA

Feb 2nd 2004
Demonstration circuit 704 is a dual output regulator based on the LT3023 IC, which consists of two identical 100mA LDO linear regulators. The DC704 has an input voltage range of 2.3V to 20V and the output is jumper-selectable, with output voltage values of 2.5V, 3.3V, 5V or a user-determined value. The DC supply current is typically ...

Demo Board LTspice 

 

DC437A - LT1964ES56 Demo Board | Negative Low Noise LDO Regulator, -2.3V ≤ VIN ≤ -20V, Vout = -1.22V/-5V @ 200mA

Dec 6th 2001
Demonstration circuit DC437 is a low noise negative micropower voltage regulator using the LT1964 low dropout linear regulator, which comes in a tiny 5-Pin SOT-23 package. The DC437 has an input voltage range from –2.3V to –20V, and is capable of delivering up to 200mA of output current. There are two circuits on ...

Demo Board LTspice 

 

DC339A-B - LT1962EMS8 Demo Board | Low Noise LDO Regulator, 2.3V ≤ VIN ≤ 20V, Vout = 1.22/2.5/3.0/3.3/5Vout@300mA

May 30th 2000
Demonstration circuit DC339-B is a low noise micropower voltage regulator using the 300mA output current LT®1962 linear regulator in an 8-lead MSOP package. The demo board has an input voltage range from 2.3V to 20V and a jumper-selectable output votlage that can be set to 1.22V, 2.5V, 3.0V, 3.3V, 5V or a user-defined value. ...

Demo Board LTspice 

 

DC367A - LT1963ES8 Demo Board | Low Noise LDO Regulator, 2.5V ≤ VIN ≤ 20V, Vout = 1.21V/1.5V/1.8V/2.5V/3.3V @ 1.5A

May 10th 2000
Demonstration circuit DC367A is a low noise micropower voltage regulator using the 1.5A LT®1963 in the 8-lead SO package. These circuits are used primarily in voltage controlled oscillators, RF power supplies and, in larger systems, as local regulators. The DC367 has an input voltage range of 2.5V to 20V and provides a jumper-selectable ...

Demo Board LTspice 

 

DC368A - LT1763CS8 Demo Board | Low Noise LDO Regulator, 2.3V ≤ VIN ≤ 20V, Vout = 1.22V/1.5V/1.8V/2.5V/3.3V/5V @ 500mA

Jul 15th 1999
Demonstration circuit DC368A is a low noise micropower voltage regulator using the 500mA LT®1763 in the 8-lead SO package. These circuits are used primarily in voltage controlled oscillators, RF power supplies and, in larger systems, as local regulators. The DC368 has an input voltage range of 2.3V to 20V and provides a ...

Demo Board LTspice 

 

DC330A - LT1761ES5-BYP/SD Demo Board | 2 Circuits: Low Output Noise and Low Current Shutdown, 2.3V ≤ VIN ≤ 20V, Vout = 1.22/1.8/2.0/2.5/2.8/3.0/3.3/5.0V @ 100mA

Mar 2nd 1999
Demonstration circuit DC330 comprises two low noise micropower voltage regulators using the 100mA output LT®1761 in the 5-lead SOT-23 package. The demo board includes two circuits: one using the LT1761-BYP which allows the internal reference to be bypassed to reduce output voltage noise, and the other using the LT1761-SD ...

Demo Board LTspice 

 

24Vin to 5Vout @ 400mA Low Noise Slew Rate Controlled Step-Down Supply

Feb 25th 1999
The LT1777 is a Buck (step-down) regulator designed for noise sensitive applications. It contains a dI/dt limiting circuit programmed via a small external inductor in the switching path. Internal circuitry also generates controlled dV/dt ramp rates. ...

Circuit 

 

Royer Topology Achieves 100μVp-p Noise at 250V Output

Dec 3rd 1997
This circuit's resonant Royer topology achieves 100μVP-P noise at 250V output by minimizing high frequency harmonic in the power drive stage. The self oscillating resonant Royer circuitry is composed of Q2, Q3, C1, T1 and L1. Current flow through L1 causes the T1, Q2, Q3, C1 circuitry to oscillate in resonant fashion, supplying ...

Circuit 

 

Low 25uVrms Noise Linear Regulator Paralleled For Higher Output Current

Apr 26th 1996
The LT1762 series are micropower, low noise, low dropout regulators. The devices are capable of supplying 150mA of output current with a dropout voltage of 270mV. Designed for use in battery-powered systems, the low 25μA quiescent current makes them an ideal choice. Quiescent current is well controlled; it does not rise in ...

Circuit