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  4. Buck 4V to 40V input, current mode, synchronous rectification, step-down controller MP2918 (Monolithic Power Systems, Inc.)
Buck 4V to 40V input, current mode, synchronous rectification, step-down controller MP2918-MP2918
Buck 4V to 40V input, current mode, synchronous rectification, step-down controller MP2918-Monolithic Power Systems, Inc.

Buck 4V to 40V input, current mode, synchronous rectification, step-down controller MP2918
Monolithic Power Systems, Inc.

About This Product

■Summary

The MP2918 is a high voltage, synchronous step-down, switching controller that can directly step down voltages up to 40V. The MP2918 uses a PWM current control architecture with accurate cycle-by-cycle current limiting and can drive dual N-channel MOSFET switches. Advanced Asynchronous Mode (AAM) enables asynchronous operation and optimizes efficiency at light loads. The MP2918's operating frequency can be programmed by an external resistor or synchronized to an external clock for noise-sensitive applications. Extensive protection features include precision output overvoltage protection (OVP), output overcurrent protection and thermal shutdown. The MP2918 is available in TSSOP20-EP and QFN-20 (3mm x 4mm) packages.

■Features and benefits

・Wide operating input range from 4V to 40V ・Dual N-channel MOSFET driver ・0.8V voltage reference with ±1.5% accuracy over temperature range -Low dropout operation: maximum duty cycle at 99.5% ・Programmable frequency range: 100kHz to 1,000kHz ・External synchronization clock range: 100kHz to 1,000kHz ・180° phase difference SYNCO ・Programmable soft start ・Power good output voltage monitor ・Selectable cycle-by-cycle current limit ・Output overvoltage protection (OVP) ・Hiccup overcurrent protection (OCP) ・Internal LDO with external power option ・Programmable CCM, AAM mode ・TSSOP20-EP and QFN-20 (3mm x 4mm) packages

■Available product numbers

・MP2918GF-P MP2918GF-Z MP2918GL-P MP2918GL-Z ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    Buck 4V to 40V input, current mode, synchronous rectification, step-down controller MP2918

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1 Models of Buck 4V to 40V input, current mode, synchronous rectification, step-down controller MP2918

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 40V input, current mode, synchronous rectification, step-down controller MP2918-Part Number-MP2918

MP2918

Available upon quote

0.75

1

Yes

1

External

Adjustable Frequency, Hiccup Current Limit

0.8

1,000

Catalog

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

40

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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