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LT3757HMSE#PBF

DC/DC Controller, 2.9V to 40V, 1 Output, Boost, Flyback, Inverting, SEPIC, 1MHz, MSOP-10

LT3757HMSE#PBF - DC/DC Controller, 2.9V to 40V, 1 Output, Boost, Flyback, Inverting, SEPIC, 1MHz, MSOP-10

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Manufacturer Part No:
LT3757HMSE#PBF
Order Code:
2294954
Technical Datasheet:
LT3757HMSE#PBF   Datasheet
See all Technical Docs

Product Overview

The LT3757HMSE#PBF is a current-mode DC/DC Controller which is capable of generating either positive or negative output voltages. It can be configured as either a boost, flyback, SEPIC or inverting converter. It drives a low side external N-channel power MOSFET from an internal regulated 7.2V supply. The fixed frequency, current-mode architecture results in stable operation over a wide range of supply and output voltages. The operating frequency of the controller can be set with an external resistor over a 100kHz to 1MHz range and can be synchronized to an external clock using the SYNC pin. A low minimum operating supply voltage of 2.9V and a low shutdown quiescent current of less than 1µA, makes the controller ideal. It features soft-start and frequency fold back functions to limit inductor current during start-up and output short-circuit.
  • Positive or negative output voltage programming with a single feedback pin
  • Current mode control provides excellent transient response
  • Synchronizable to an external clock
  • <1µA Low shutdown current
  • Internal 7.2V Low dropout voltage regulator
  • Programmable input undervoltage lockout with hysteresis
  • Programmable soft-start

Applications

Automotive, Industrial, Communications & Networking, Power Management

Product Information

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:
2.9V

:
40V

:
1 Output

:
-

:
MSOP

:
10Pins

:
1MHz

:
Boost, Flyback, Inverting, SEPIC

:
-40°C

:
150°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (3)

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