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  4. Buck 4V to 60V input, current mode, synchronous rectification step-down controller MP9928 (Monolithic Power Systems, Inc.)
Buck 4V to 60V input, current mode, synchronous rectification step-down controller MP9928-MP9928
Buck 4V to 60V input, current mode, synchronous rectification step-down controller MP9928-Monolithic Power Systems, Inc.

Buck 4V to 60V input, current mode, synchronous rectification step-down controller MP9928
Monolithic Power Systems, Inc.

About This Product

■Summary

The MP9928 is a high voltage, synchronous step-down, switching regulator that can directly step down voltages up to 60V. The MP9928 uses a PWM current control architecture with accurate cycle-by-cycle current limiting. It can drive dual N-channel MOSFET switches. AAM mode (Advanced Asynchronous Mode) enables asynchronous operation and PFM mode to optimize efficiency at light loads. The MP9928's operating frequency can be programmed by an external resistor or synchronized to an external clock for noise-sensitive applications. Fault protection is available including precision output overvoltage protection (OVP), output overcurrent protection (OCP) and thermal shutdown. The MP9928 is available in TSSOP20-EP and QFN-20 (3mm x 4mm) packages. 

■Features and benefits

・Wide operating input range from 4V to 60V ・Dual N-channel MOSFET driver -Low dropout operation: 99.5% maximum duty cycle ・Programmable frequency width: 100kHz to 1,000kHz ・SYNCO with 180° phase difference ・External soft start and PG pin ・Selectable cycle-by-cycle current limit ・Output overvoltage protection ・Internal LDO with external power option Programmable CCM and AAM pulse skipping mode ・Accurate overheating protection ・TSSOP20-EP package and QFN-20 (3mm x 4mm) package

■Available product numbers

・MP9928GF-P MP9928GF-Z MP9928GL-P MP9928GL-Z ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    Buck 4V to 60V input, current mode, synchronous rectification step-down controller MP9928

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1 Models of Buck 4V to 60V input, current mode, synchronous rectification step-down controller MP9928

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 4V to 60V input, current mode, synchronous rectification step-down controller MP9928-Part Number-MP9928

MP9928

Available upon quote

0.75

0.995

Yes

1

External

Adjustable Frequency, External Frequency Sync,...

0.8

1,000

Catalog

QFN-20 (3x4), TSSOP-20EP

60

4

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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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