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  4. Synchronous Rectification 21A, 16Vout, High Efficiency Integrated Functional Synchronous High Power Boost Converter MP3431 with Programmable Input Current Limit (Monolithic Power Systems, Inc.)
Synchronous Rectification 21A, 16Vout, High Efficiency Integrated Functional Synchronous High Power Boost Converter MP3431 with Programmable Input Current Limit-MP3431
Synchronous Rectification 21A, 16Vout, High Efficiency Integrated Functional Synchronous High Power Boost Converter MP3431 with Programmable Input Current Limit-Monolithic Power Systems, Inc.

Synchronous Rectification 21A, 16Vout, High Efficiency Integrated Functional Synchronous High Power Boost Converter MP3431 with Programmable Input Current Limit
Monolithic Power Systems, Inc.

About This Product

■Summary

The MP3431 is a 600kHz, fixed frequency, wide input range, highly integrated step-up converter. The MP3431 starts from an input voltage as low as 2.7V, integrates a low RDS (ON) power MOSFET, and supports up to 30W load power from a 1-cell battery. The MP3431 employs constant off-time (COT) control for fast transient response. Modes support selection of pulse-skipping mode (PSM), forced continuous conduction mode (FCCM), and ultrasonic mode (USM) under light load conditions. A programmable input current limit provides accurate overload protection. The low-side MOSFET limits the peak current in the inductor from cycle to cycle, and the high-side MOSFET eliminates the need for an external Schottky diode. Extensive protection features include programmable input undervoltage lockout (UVLO) and overtemperature protection (OTP). The MP3431 is available in a QFN-13 (3mm x 4mm) package.

■Features and benefits

・Starting voltage from 2.7V to 13V ・Operating voltage from 0.8V to 13V ・Output voltage up to 16V ・Supports 30W average power load and 40W peak power load at 3.3V ・Programmable input current limit ・21.5A internal switching current limit ・Built-in 6.5mΩ and 10mΩ power MOSFETs ・Over 95% efficiency from 3.6V VIN to 9V/3A -Selectable PSM, >23kHz USM, and FCCM at light load conditions ・Fixed switching frequency of 600kHz ・Adaptive COT with fast transient response ・External soft start and compensation pin ・Programmable UVLO and hysteresis ・150℃ overheat protection (OTP) ・Provided in QFN-13 (3mm x 4mm) package

■Available product numbers

・MP3431GL-P MP3431GL-Z ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    Synchronous Rectification 21A, 16Vout, High Efficiency Integrated Functional Synchronous High Power Boost Converter MP3431 with Programmable Input Current Limit

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1 Models of Synchronous Rectification 21A, 16Vout, High Efficiency Integrated Functional Synchronous High Power Boost Converter MP3431 with Programmable Input Current Limit

Image Part Number Price (excluding tax) Down Mode Input/Output Disconnect Iq (typ) (mA) Isw Limit (typ) (A) P.G. Regulated Outputs SS Vfb (V) Vout (max) (V) Vout (min) (V) Fsw (max) (kHz) Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
Synchronous Rectification 21A, 16Vout, High Efficiency Integrated Functional Synchronous High Power Boost Converter MP3431 with Programmable Input Current Limit-Part Number-MP3431

MP3431

Available upon quote

No

No

0.45

21.5

No

1

External

1

16

1

600

Catalog

QFN-13 (3x4)

13

0.8

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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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