Low

LT3970EMS-3.3#PBF - 

Buck (Step Down) Switching Regulator, Fixed, 4.2V-40V In, 3.3V And 350mA Out, MSOP-10

LINEAR TECHNOLOGY LT3970EMS-3.3#PBF

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Manufacturer Part No:
LT3970EMS-3.3#PBF
Order Code:
1839127
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT3970EMS-3.3#PBF is an adjustable frequency monolithic buck Switching Regulator that accepts a wide input voltage range up to 40V and consumes only 2.5µA of quiescent current. A high efficiency switch is included on the die along with the catch diode, boost diode and the necessary oscillator, control and logic circuitry. Low ripple Burst Mode operation maintains high efficiency at low output currents while keeping the output ripple below 5mV in a typical application. Current mode topology is used for fast transient response and good loop stability. A catch diode current limit provides protection against shorted outputs and overvoltage conditions. An enable pin with accurate threshold is available, producing a low shutdown current of 0.7µA. A power good flag signals when VOUT reaches 90% of the programmed output voltage.
  • Integrated boost and catch diodes
  • Accurate 1V enable pin threshold
  • 0.7µA Low shutdown current
  • Internal sense limits catch diode current
  • Power good flag
  • Internal compensation

Applications

Automotive, Industrial, Portable Devices, Power Management

Product Information

:
Buck (Step Down)
:
4.2V
:
40V
:
MSOP
:
10Pins
:
350mA
:
3.3V
:
2.64MHz
:
125°C
:
Cut Tape
:
-
:
-
:
MSL 1 - Unlimited
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