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Solutions Search - Multiple Output Boost

LT3463 Dual Output ±20V Converter

Feb 1st 2016
The LT3463/LT3463A are dual micropower DC/DC converters with internal Schottky diodes in a 10-lead 3mm x 3mm DFN package. Negative and positive LT3463 converters have a 250mA current limit. The LT3463A positive converter also has a 250mA limit, while the negative converter has a 400mA limit. Both devices have an input voltage ...

Circuit 

 

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 

 

Easily Boost 12V to 140V with a Single Converter IC

Victor Khasiev - Applications Engineer Sep 28th 2015
Design Note 1033: Introduction Generating a high voltage from a much lower voltage presents a number of challenges for the classical single stage boost topology. For instance, the maximum duty cycle limitation of a boost controller may not allow the required step-up ratio. Even if it does, there is often a sharp decrease in ...

Blog Post 

 

Dual, Low Noise Bias Generators in 3mm x 5mm QFN Offer Ultralow Noise and Ripple for Sensitive Circuit Applications

Sep 15th 2015
MILPITAS, CA - September 15, 2015 - Linear Technology Corporation announces the LT3095, a dual-channel IC delivering two very low noise, low ripple bias supplies from a single input. Each channel incorporates a monolithic step-up DC/DC converter post-regulated by an integrated ultralow noise and high PSRR (power supply rejection ratio) ...

Press Release 

 

LT3095 5V to 20V VIN with 5V and 12V Outputs and SEPIC on Channel 2 for Continuous Output Current

Aug 27th 2015
The LT®3095 generates two low-noise bias supplies from a common input voltage ranging from 3V to 20V. Each channel includes a fixed frequency, peak current-mode step-up switching regulator and a low-noise, singleresistor- programmable 50mA linear regulator. The linear regulator’s high power supply ripple rejection ...

Circuit 

 

LTC3788 Generates High Voltages Using a Two-Stage Boost Converter

Victor Khasiev - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Sep 17th 2014
Generating high voltages from low level sources is not an easy task. Engineers are facing the following problems when they try to implement single stage boost at high step-up ratios. Limitation of maximum duty cycle in boost controllers Sharp decrease in efficiency at long duty cycles High peak currents and EMI challenges ...

Blog Post Circuit LTspice 

 

LT3471 OLED Driver

Sep 11th 2014
The LT3471 dual switching regulator combines two 42V, 1.3A switches with error amplifiers that can sense to ground providing boost and inverting capability. The low VCESAT bipolar switches enable the device to deliver high current outputs in a small footprint. The LT3471 switches at 1.2MHz, allowing the use of tiny, low cost ...

Circuit LTspice 

 

LT8471 Dual Multitopology Converter with 2A Switches - Video Product Brief

Jeff Gruetter - Product Marketing Engineer Aug 29th 2014
The LT®8471 is a dual PWM DC/DC converter containing two internal 2A, 50V switches and an additional 500mA switch to facilitate step-down and inverting conversion. Each 2A channel can be independently configured as a buck, boost, SEPIC, flyback or inverting converter. Capable of generating positive and negative outputs ...

Video 

 

LTC3788 - High Efficiency Dual Boost Regulator with Independent Inputs

Victor Khasiev - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Aug 27th 2014
Linear Technology offers a line of high performance multiple dual output synchronous boost converters. However, most of the datasheet contains examples of these controllers using the same input voltage source for both outputs. In some circumstances there may be a need to derive two different high output voltages from two separate ...

Blog Post Circuit LTspice 

 

The Low Output Voltage Ripple Zeta DC/DC Converter Topology

Mathew Wich - Design Section Leader
Fu Sun - Design Engineer
Apr 28th 2014
In the world of switching DC/DC converters the Zeta topology is a lesser known relative of the SEPIC topology. Both converters provide a positive output voltage that can be greater than, equal to or less than VIN while avoiding the complexity and cost of a buck-boost converter. The Zeta converter however, has the advantage of ...

Blog Post 

 

Dual Multi-Topology DC/DC Converters with 50V, 2A Internal Switches

Apr 10th 2014
MILPITAS, CA - April 10, 2014 - Linear Technology Corporation announces the LT8471, a dual DC/DC converter that utilizes two internal 2A, 50V switches and an additional 500mA switch to facilitate step-down, step-up, and inverting conversions. Each 2A channel can be independently configured as a buck, boost, SEPIC, flyback, ZETA ...

Press Release 

 

DC1854A - LT8471EFE Demo Board | Dual Buck/Inverting, 6V ≤ VIN ≤ 32V, Vout1 = 5V @ 1.4A, Vout2 = -5V @ 0.8A

Feb 21st 2014
DC1854A is a dual output buck and inverting converter. It provides 5V and –5V power from 6V to 32V input. The 5V output can source up to 1.4A load current and the –5V output can source up to 800mA load current. See the load current versus input voltage figures inside this demo manual for more information. The internal ...

Demo Board LTspice 

 

LT8471 6V to 32V to ±5V, Dual DC/DC Converter

Feb 3rd 2014
The LT8471 is a dual PWM DC/DC converter containing two internal 2A, 50V switches and an additional 500mA switch to facilitate step-down and inverting conversion. Each 2A channel can be independently configured as a buck, boost, SEPIC, flyback or inverting converter. Capable of generating positive and negative outputs from a ...

Circuit 

 

LT8471 500kHz ZETA and 2L Inverting Converters Generates ±5V Outputs with Low Output Ripple

Feb 3rd 2014
The LT®8471 is a dual PWM DC/DC converter containing two internal 2A, 50V switches and an additional 500mA switch to facilitate step-down and inverting conversion. Each 2A channel can be independently configured as a buck, boost, SEPIC, flyback or inverting converter. Capable of generating positive and negative outputs from ...

Circuit 

 

LT8471 Wide Input Range Buck Converter with 3.3V Output and Boost Converter with 18V Output at 400kHz

Feb 3rd 2014
The LT®8471 is a dual PWM DC/DC converter containing two internal 2A, 50V switches and an additional 500mA switch to facilitate step-down and inverting conversion. Each 2A channel can be independently configured as a buck, boost, SEPIC, flyback or inverting converter. Capable of generating positive and negative outputs from ...

Circuit 

 

LT8471 Tracking ±12V Supplies from 6V to 36V Input at 800kHz

Feb 3rd 2014
The LT8471 is a dual PWM DC/DC converter containing two internal 2A, 50V switches and an additional 500mA switch to facilitate step-down and inverting conversion. Each 2A channel can be independently configured as a buck, boost, SEPIC, flyback or inverting converter. Capable of generating positive and negative outputs from a ...

Circuit 

 

LT8471 Boost Converter with 24V Output and Buck Converter with 5V Output at 550kHz

Feb 3rd 2014
The LT®8471 is a dual PWM DC/DC converter containing two internal 2A, 50V switches and an additional 500mA switch to facilitate step-down and inverting conversion. Each 2A channel can be independently configured as a buck, boost, SEPIC, flyback or inverting converter. Capable of generating positive and negative outputs from ...

Circuit 

 

Dual 3A, 2.5MHz, 42V Boost/Inverting DC/DC Converter with Fault Protection

Jan 25th 2012
MILPITAS, CA – January 25, 2012 – Linear Technology Corporation announces the LT8582, a dual independent channel, step-up DC/DC converter with integrated fault protection features for output shorts, input/output overvoltages, and overtemperature conditions. Each channel of the LT8582 uses two integrated 42V switches: a 1.7A ...

Press Release 

 

VFD (Vacuum Fluorescent Display) and Filament Power Supply

Jan 12th 2012
The LT8582 is a dual independent channel PWM DC/DC converter with a power good pin and built-in fault protection to help guard against input overvoltage and overtemperature conditions. Each channel consists of a 42V master switch and a 42V slave switch that can be tied together for a total current limit of 3A. ...

Circuit 

 

DC1734A - LT8582IDKD Demo Board I Dual 3A Boost/Inverting/SEPIC DC/DC Converter

Dec 2nd 2011
Demonstration circuit 1734A features the dual channel LT®8582 in boost and inverting regulator configurations. The circuit is designed to convert a 5V to 10V input source to 12V at 900mA and –12V at 590mA. To limit the temperature rise of the chip to 40°C, on the demo board with no air flow, the maximum combined ...

Demo Board LTspice 

 

Synchronous PolyPhase Boost Converter for Cool and Powerful Applications

Goran Perica - Power Applications Section Leader Jun 11th 2010
Boost power conversion is important function in many industrial, automotive and commercial applications. Higher power level customers have to deal with issues of high ripple currents, high power dissipation and higher EMI levels. Linear Technology’s LTC3788 breaks new ground in boost converter technology, achieving the ...

Video LTspice 

 

DC1409A - LTC3788EUH Demo Board | 2-Phase, Dual Output, 5V to 24VIN, VOUT = 12V@10A & 24V@5A

Jan 20th 2010
Demonstration circuit DC1409 is DC/DC boost converter featuring the LTC3788 constant frequency current mode boost controller. The DC1409A operates over 5V to 24V input and provides 8A to 10A of output current at 12V output. Also, the DC1409A provides a second 24V output capable of delivering 3A to 5A. The 300kHz constant frequency ...

Demo Board LTpowerCAD LTspice 

 

Dual Output, High Power 60V Synchronous Boost Controller Eliminates Heat Sink with 97% Efficiency

Jan 20th 2010
MILPITAS, CA - January 20, 2010 - Linear Technology Corporation announces the LTC3788/-1, a dual output, high power synchronous step-up switching DC/DC controller that replaces the boost diode with a high efficiency N-Channel MOSFET. This eliminates the heat sink normally required in medium to high power boost converters. The ...

Press Release 

 

LTC3788-1: High Efficiency Dual 12V/24V Boost Converter

Dec 7th 2009
The LTC3788-1 is a high performance 2-phase dual synchronous boost converter controller that drives all N-channel power MOSFETs. Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, allowing the LTC3788-1 to be used in high power boost applications. ...

Circuit LTspice 

 

Dual 550mA, 1MHz Synchronous Boost Regulator with Output Disconnect & Soft-Start in a 3mm x 3mm DFN

Feb 19th 2009
MILPITAS, CA - February 19, 2009 - Linear Technology Corporation announces the LTC3535, a dual-channel 1MHz, current mode synchronous boost DC/DC converter with integrated output disconnect and soft-start. The LTC3535’s internal 550mA switches deliver output voltages as high as 5.25V from an input voltage range of 0.7V start-up, ...

Press Release 

 

DC1483A - LTC3535EDD Demo Board | Dual Channel 550mA 1MHz Synchronous Step-Up DC/DC Converter

Jan 5th 2009
DC1483A - Demo Board for:LTC3535 - Dual Channel 550mA 1MHz Synchronous Step-Up DC/DC Converter ...

Demo Board LTspice 

 

Dual 800mA & 400mA (ISW), 2.2MHz Synchronous Boost Regulator with Output Disconnect in a 3mm x 3mm QFN

Jan 14th 2008
MILPITAS, CA – January 14, 2008 – Linear Technology Corporation announces the LTC3527/-1 dual output 2.2MHz, current mode, synchronous boost DC/DC converters with integrated output disconnect. Their internal 800mA and 400mA switches can deliver output voltages as high as 5.25V from an input voltage of 0.70V (0.5V when running), ...

Press Release 

 

DC1237A-A - LTC3527EUD Demo Board | Dual, 1.2MHz or 2.2MHz, 0.5V ≤ VIN ≤ 5V, Vout1 = 3V/3.3V/5V(800mA Switch), Vout2 = 1.8V/2.85V/3.3V(400mA Switch)

Dec 18th 2007
Demonstration circuit 1237A-A (LTC3527) and 1237A-B (LTC3527-1) are dual output, high-efficiency synchronous boost converter demo boards with each having an 800mA and a 400mA power switch. With a light load, the boost converters can startup with an input voltage as low as 700mV and once started, the input can go as low as 500mV ...

Demo Board LTspice 

 

DC1237A-B - LTC3527EUD-1 Demo Board | Dual, 1.2MHz or 2.2MHz, 0.5V ≤ VIN ≤ 5V, Vout1 = 3V/3.3V/5V(800mA Switch), Vout2 = 1.8V/2.85V/3.3V(400mA Switch)

Dec 18th 2007
Demonstration circuit 1237A-A (LTC3527) and 1237A-B (LTC3527-1) are dual output, high-efficiency synchronous boost converter demo boards with each having an 800mA and a 400mA power switch. With a light load, the boost converters can startup with an input voltage as low as 700mV and once started, the input can go as low as 500mV ...

Demo Board LTspice 

 

Dual Output Boost Drives up to 6 White LEDs & an OLED Display from a 2mm x 3mm DFN Package

Jun 13th 2007
MILPITAS, CA - June 13, 2007 - Linear Technology announces the LT3498, a dual output boost converter featuring a 2.3MHz PWM LED driver and a low noise OLED driver. The device includes an internal power switch and Schottky diode for each channel, all in 2mm x 3mm DFN package. The LT3498's wide 2.5V to 12V input voltage range enables ...

Press Release 

 

DC1137A - LT3498EDDB Demo Board | Boost LED Driver & OLED Driver, 3V ≤ VIN ≤ 5.25V, VLED up to 26V @ 20mA (x6)

May 10th 2007
Demonstration circuit 1137 is a 20mA Six White LED Driver and OLED driver with Integrated Schottky featuring the LT3498. The LT3498 is a dual output boost converter featuring a 2.3MHz PWM LED driver and a PFM (Pulse Frequency Modulation) OLED driver. The demo board is designed to operate from 3V to 5V, ideal for Li Ion battery ...

Demo Board LTspice 

 

DC912A - LT3487EDD Demo Board

May 3rd 2006
DC912A - Demo Board for:LT3487 - Boost and Inverting Switching Regulator for CCD Bias ...

Demo Board LTspice 

 

Combo White LED Driver and OLED/TFT Boost Regulator in a 3mm x 3mm DFN Minimizes Board Space

Oct 20th 2005
MILPITAS, CA - October 20, 2005 - - Linear Technology announces the LT3466-1 dual step-up DC/DC converter: a white LED driver and a boost converter in a low profile 3mm x 3mm DFN package. The LED driver channel can drive up to 10 white LEDs from a single cell Li-Ion input at up to 83% efficiency. The boost converter can generate ...

Press Release 

 

DC1280A - LT3471EDD Demo Board | Dual 12Vout @ 300mA & -12Vout @ 200mA Boost/Inverter in 3x3 DFN

Sep 23rd 2004
Demonstration circuit 1280A is a dual output converter featuring the LT3471EDD in Boost and Inverter configurations. Both converters are powered from the same 4.5V to 10V input source. The Boost converter puts out 12V at 300mA and the Inverter -12V at 200mA. The demo circuit demonstrates small size and low component count. The ...

Demo Board 

 

DC760A - LT3472EDD | Boost and Inverting DC/DC Converters, Vin = 2.7V - 4.2V, Vout1 = 15V @ 25mA-45mA, Vout2 = -8V @ 35mA-65mA

Sep 8th 2004
Demonstration circuit 760 is a dual, output, 1.1MHz Boost/Inverter in a 3mm x 3mm DFN featuring the LT3472EDD. The demo circuit demonstrates small size and low component count in a Boost Circuit and an Inverting Circuit. The Boost Converter is designed to convert a 2.7V-4.2V input to 15V output at 25mA- 45mA load. The Inverting ...

Demo Board 

 

DC621A - LT1941EFE Demo Board | 4.7V ≤ VIN ≤ 14V, Vout1 = 1.8V @ 2.4A, Vout2 = 3.3V @ 1.4A, Vout3 = -12V @ Up to 550mA

Jun 3rd 2004
Demonstration circuit 621 is a 1.25MHz triple DC/DC switching converter using the LT1941. The LT1941 has two step-down converters and a third boost/inverting converter that can also be configured as a SEPIC or Cuk (inverting). The LT1941 has a wide 3.5V to 25V input voltage range; the demo board limits this range from 4.7V to ...

Demo Board LTspice 

 

DC915A - LT3466EDD-1 Demo Board | Boost LED Driver Plus LCD Bias Supply, 2.7V ≤ VIN ≤ 14V, VLED up to 34V @ 15mA, VLCD Bias = ±15V @ 10mA

Mar 3rd 2004
Demonstration circuit DC915 features the LT3466-1 high efficiency boost white LED driver and a step-up converter. There is one LED driver output for 6 or 8 WLEDs and a separate DC/DC converter that generates outputs for the LCD bias. VO1 drives 8 LEDs in series with 15mA LED current and VO2/VO3 can delivery +/- 15V at 10mA current. ...

Demo Board LTspice 

 

DC553A - LTC3450EUD | Triple Output TFT-LCD Supply, Vin = 1.5V to 4.6V, Vout = 5.1V/10mA, 15V/500uA, -10V/500uA

Feb 18th 2004
DC553A - Demo Board for:LTC3450 - Triple Output Power Supply for Small TFT-LCD Displays ...

Demo Board 

 

DC679A - LT3463EDD | Dual Output Converter, 2 Circuits, Vin = 2.7V to 6V, ±20Vout @ 9mA and ±20Vout @ 13mA

Dec 5th 2003
Demonstration circuit 679 features the LT3463EDD in two circuits. One circuit is optimized for small size (9mA max output current) and the other for high performance (13mA max  output current). Both circuits are dual output ±20V voltage regulators with a 2.7V to 6V input voltage range. The positive regulator is a ...

Demo Board 

 

DC620A - LT1943EFE | 4-Output Sw. Reg. For TFT-LCD Panels, Vin = 8-20V, Vout = 3.3V @ 2A, 13V @ 500mA, 30V @ 30mA, -10V @ 50mA

Sep 30th 2003
DC620A - Demo Board for:LT1943 - High Current Quad Output Regulator for TFT LCD Panels ...

Demo Board 

 

DC697A - LT1943EFE | 4-Output Switching Regulator For TFT-LCD Panels, Vin = 4.5V - 8V, Vout = 3.3V @ 1.5A, 13V @ 500mA, 30V @ 20mA, -10V @ 50mA

Sep 30th 2003
DC697A - Demo Board for:LT1943 - High Current Quad Output Regulator for TFT LCD Panels ...

Demo Board 

 

DC445A - LT1944-1EMS | Triple Output Power Supply For LCD Panels, Vin = 2.7V to 4.2V, Vout = 5V @ 30mA, 15V @ 2.5mA, -10V @ 1mA

Apr 26th 2001
DC445A - Demo Board for:LT1944-1 - Dual Micropower Step-Up DC/DC Converter ...

Demo Board 

 

DC688A - LT1942EUF | Quad Converter For TFT Supply and LED Driver, Vin=3V-4.5V, Von=10V/2mA, Voff=-10V/2mA, AVdd=5V/40mA

May 25th 1999
Demonstration Circuit DC688 is a quad output power supply intended for use in small to medium size TFT panels. The circuit features the LT1942 quad output switching regulator and generates an LED driver along with the triple output supply required for the TFT panels. With an input voltage range of 3V to 4.2V, two step-up regulators ...

Demo Board