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LT3971/LT3971-3.3/LT3971-5 - 38V, 1.2A, 2MHz Step-Down Regulator with 2.8μA Quiescent Current
LT3971/LT3971-3.3/LT3971-5 - 38V, 1.2A, 2MHz Step-Down Regulator with ... 2.8μA Quiescent Current LT3971/LT3971-3.3/LT3971-5 1 3971fd TYPICAL APPLICATION DESCRIPTION 38V ... threshold enable pin can be used to shut down the LT3971, reducing the input supply current to 700nA. A ...

DC1527A - Demo Manual
DC1527 - LT3971EMSE Evaluation Kit Quick Start Guide 1 LT3971 ... LT3971. The switching frequency is adjustable up to 2MHz. The demo circuit is designed for 3.3V, 1.2A ... output from a 4.5V to 38V input. The wide input range of the LT3971 allows a variety of input sources ...

December 2009 - 1.2A Buck Converters Draw Only 2.8µA When Regulating Zero Load, Accept 38VIN or 55VIN 
/enable pin. The wide input voltage ranges of these parts—4.3V–38V for the LT3971 and 4.3V–55V for the ... Quiescent Current in Light Load When the output load is low, the LT3971 and LT3991 decrease the switching ... the low current performance of the LT3971 is to drive it from a charged bulk input capacitor. A ...

38V, 1.2A (IOUT), 2MHz Step-Down DC/DC Converter at Only 2.8µA Quiescent Current
– Linear Technology Corporation announces the LT3971, a 1.2A, 38V step-down switching regulator with an ... conditions. The LT3971’s 4.3V to 38V input voltage range makes it ideal for automotive and industrial ... as 1.19V. The LT3971’s Burst Mode operation offers ultralow quiescent current, making it well ...

LT3971 Demo Circuit - 38V 1.2A 2MHz Step-Down Regulator with 2.8uA Iq (12V to 3.3V @ 1.2A)
240 0 SYMBOL PowerProducts\\LT3971 224 240 R0 SYMATTR InstName U1 SYMBOL res 80 320 R90 WINDOW 0 0 ... ;LT3971, 38V 1.2A 2MHz Step-Down Regulator with 2.8uA Quiescent Current\nInput: 12V Output: 3.3V ...

December 2009 - 775 Nanovolt Noise Measurement for a Low Noise Voltage Reference
output capacitor ESR for stability. Conclusion The LT3971 and LT3991 are ultralow quiescent current ... than 15mV. These buck regulators can also provide up to 1.2A of output current. The LT3971 and ... , pulsed outputs. The wide input range from 4.3V up to 3V for the LT3971, and 55V for the LT3991, along ...

LT Journal - December 2009
a shutdown/enable pin. The wide input voltage ranges of these parts—4.3V–38V for the LT3971 and ... . Ultralow 1.7µA Quiescent Current in Light Load When the output load is low, the LT3971 and LT3991 ... the low current performance of the LT3971 is to drive it from a charged bulk input capacitor. A ...

R530 - Reliability Data
/ LT3970 / LT3971 / LT3972 / LT3973 / LT3975 / LT3976 / LT3980 / LT3988 / LT3990 / LT3991 / LT3992 ...

LT3971A/LT3971A-5 - 38V, 1.3A, 2MHz Step-Down Regulator with 2.2μA Quiescent Current
LT3971A-5 have a more accurate ref- erence voltage compared to the LT3971 and LT3971-5. The LT3971A-5 ... <1μA, 3mm × 2mm DFN-10 and MSOP-10 Packages LT3971 38V, 1.2A, 2.2MHz High Efficiency Micropower ... SOURCE. NAMELY, WHERE V IS VOLTAGE OF SOURCE, R IS INTERNAL SOURCE IMPEDANCE, AND η IS LT3971 ...

LT3991 - 55V, 1.2A Step-Down Regulator with 2.8μA Quiescent Current
SOURCE IMPEDANCE, AND η IS LT3971 EFFICIENCY. MAXIMUM OUTPUT CURRENT OF 1.2A CAN BE SUPPLIED FOR A ... µA, 3mm × 2mm DFN-10, MSOP-10 Packages LT3971 38V, 1.2A, 2.2MHz High Efficiency Micropower Step ...

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