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LT3990EMSE#PBF

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4.2V-62Vin, 1.21V-25Vout, 350mAout, MSOP-16

LT3990EMSE#PBF - DC-DC Switching Buck (Step Down) Regulator, Adjustable, 4.2V-62Vin, 1.21V-25Vout, 350mAout, MSOP-16

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Manufacturer Part No:
LT3990EMSE#PBF
Order Code:
1839075
Technical Datasheet:
LT3990EMSE#PBF   Datasheet
See all Technical Docs

Product Overview

The LT3990EMSE#PBF is an adjustable frequency monolithic buck Switching Regulator accepts a wide input voltage range up to 62V 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 accurate programmable undervoltage lockout feature 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 programmable undervoltage lockout
  • Internal sense limits catch diode current
  • Power good flag

Applications

Automotive, Portable Devices, Industrial, Power Management

Product Information

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:
Buck (Step Down)

:
4.2V

:
62V

:
1Outputs

:
MSOP

:
16Pins

:
350mA

:
1.21V

:
25V

:
2.2MHz

:
125°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (3)

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Php407.80

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