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  4. 16V, 6A, integrated function, low quiescent current, synchronous step-down converter MP8639 (Monolithic Power Systems, Inc.)
16V, 6A, integrated function, low quiescent current, synchronous step-down converter MP8639-MP8639
16V, 6A, integrated function, low quiescent current, synchronous step-down converter MP8639-Monolithic Power Systems, Inc.

16V, 6A, integrated function, low quiescent current, synchronous step-down converter MP8639
Monolithic Power Systems, Inc.

About This Product

■Summary

The MP8639 is an integrated, high frequency, synchronous rectifier, switch mode step-down converter. It offers an ultra-compact solution capable of delivering up to 6A continuous output current (IOUT) and 7.5A peak IOUT (IOUT_PEAK) over a wide input voltage (VIN) range of 4.5V to 16V. MPS's unique switching loss reduction technology and internal low on-resistance (RDS (ON)) power MOSFET enable the IC to operate with high efficiency across the entire IOUT. Adaptive constant on-time (COT) control provides fast transient response and facilitates loop stabilization. DC self-regulating loop and differential remote sensing provide good load and line regulation. Extensive protection features include overcurrent protection (OCP), overvoltage protection (OVP), undervoltage protection (UVP), and thermal shutdown. The MP8639 requires a minimal number of standard external components and is available in a QFN-11 (2mm x 2mm) package.

■Features and benefits

・Wide operating input voltage (VIN) range from 4.5V to 16V ・6A continuous output current (IOUT) ・7.5A peak IOUT (IOUT_PEAK) ・Low quiescent current of 105μA (quiescent current) ・Constant on time (COT) adaptable to fast transient response ・DC autotuning loop and remote differential sensing ・Built-in power MOSFET with low on-resistance (RDS (ON)) ・MPS's unique switching loss reduction technology ・Stabilization by POSCAP output ceramic capacitor ・1% accurate reference voltage (VREF) ・Internal soft start (SS) ・Output discharge ・Overcurrent protection (OCP) ・Overvoltage protection (OVP) ・Low voltage protection (UVP) ・Thermal shutdown ・Provided in QFN-11 (2mm x 2mm) package

■Available product numbers

・MP8639GG-Z MP8639GG-P ・Part numbers ending in P and Z are the same part. P and Z indicate reel size only

  • Product

    16V, 6A, integrated function, low quiescent current, synchronous step-down converter MP8639

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1 Models of 16V, 6A, integrated function, low quiescent current, synchronous step-down converter MP8639

Image Part Number Price (excluding tax) Iout (max) (A) Iq (typ) (mA) Max Duty Cycle (%) P.G. SS Vfb (V) Fsw (max) (kHz) Grade Package (mm) Input voltage (max) (V) Input voltage (min) (V)
16V, 6A, integrated function, low quiescent current, synchronous step-down converter MP8639-Part Number-MP8639

MP8639

Available upon quote

6

0.105

90

Yes

Internal

0.6

750

Catalog

QFN-11 (2x2)

16

4.5

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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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