Low

LT3971EDD#PBF - 

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4.3V-38Vin, 1.19V-30Vout, 1.2Aout, DFN-10

LT3971EDD#PBF - DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4.3V-38Vin, 1.19V-30Vout, 1.2Aout, DFN-10

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Manufacturer Part No:
LT3971EDD#PBF
Newark Part No.:
53R1596
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT3971EDD#PBF is an adjustable frequency monolithic buck Switching Regulator accepts a wide input voltage range up to 38V. Low quiescent current design consumes only 2.8µA of supply current while regulating with no load. Low ripple Burst Mode® operation maintains high efficiency at low output current while keeping the output ripple below 15mV in a typical application. An internally compensated current-mode topology is used for fast transient response and good loop stability. A high efficiency 0.33Ω switch is included on the die along with a boost Schottky diode and the necessary oscillator, control and logic circuitry. An accurate 1V threshold enable pin can be used to shut down the LT3971, reducing the input supply current to 700nA. A capacitor on the SS pin provides a controlled inrush current (soft-start). A power good flag signals when VOUT reaches 91% of the programmed output voltage.
  • Fast transient response
  • Power good flag
  • Soft-start capability
  • Internal compensation
  • Accurate 1V enable pin threshold

Applications

Automotive, Portable Devices, Industrial, Power Management

Product Information

:
Buck (Step Down)
:
4.3V
:
38V
:
1Outputs
:
DFN
:
10Pins
:
1.2A
:
1.19V
:
30V
:
2MHz
:
125°C
:
Cut Tape
:
-
:
-
:
MSL 1 - Unlimited
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