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  4. Buck 3V to 28V input, hysteresis synchronous rectification step-down controller MP2905 (Monolithic Power Systems, Inc.)
Buck 3V to 28V input, hysteresis synchronous rectification step-down controller MP2905-MP2905
Buck 3V to 28V input, hysteresis synchronous rectification step-down controller MP2905-Monolithic Power Systems, Inc.

Buck 3V to 28V input, hysteresis synchronous rectification step-down controller MP2905
Monolithic Power Systems, Inc.

About This Product

■Summary

The MP2905 is a synchronous rectification PWM step-down controller with hysteresis voltage mode control. Output voltage can be adjusted from 0.6V to 0.9*VIN. Achieves high output current over a wide input power range of 3V to 28V. The MP2905 includes an internal LDO regulator that allows the controller to function with a wide input power supply. Hysteretic voltage mode control provides fast transient response without additional loop compensation. Adjustable soft-start prevents inrush current at turn-on. The IC senses the voltage drop across the high-side switch for hiccup current limiting and short-circuit current protection. Frequency is adjustable from 200kHz to 500kHz. The MP2905 is available in a 10-pin MSOP package and provides an extremely compact system solution with minimal dependence on external components.

■Features and benefits

・Wide operating input range from 3V to 28V ・Output adjustable with Vin from 0.6V to 0.9* ・Switching frequency 200kHz to 500kHz ・Programmable soft start ・Hiccup current limit ・Lossless peak current sensing ・MSOP-10 package

■Available product numbers

・MP2905EK-LF-P MP2905EK-LF-Z ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    Buck 3V to 28V input, hysteresis synchronous rectification step-down controller MP2905

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1 Models of Buck 3V to 28V input, hysteresis synchronous rectification step-down controller MP2905

Image Part Number Price (excluding tax) Iq (typ) (mA) Max Duty Cycle (%) P.G. Regulated Outputs SS Special Features Vfd (V) Fsw (max) (kHz) Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
Buck 3V to 28V input, hysteresis synchronous rectification step-down controller MP2905-Part Number-MP2905

MP2905

Available upon quote

0.6

0.9

No

1

External

Adjustable Frequency, Hiccup Current Limit

0.6

500

Catalog

MSOP-10

28

3

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About Company Handling This Product

Monolithic Power Systems, Inc.

Company Overview

Monolithic Power Systems (MPS), founded in 1997 and headquartered in San Jose, California, is a manufacturer o...

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