MPQ8632 datasheet(39/47 Pages) MPS

Part #	MPQ8632

Description	High Efficiency 18V Synchronous Step-down Converter Family for 4A to 20A

PDF	47 Pages

Scroll/Zoom	100%

Manufacturer	MPS [Monolithic Power Systems]

Direct Link	http://www.monolithicpower.com

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39 / 47 page

MPQ8632 HIGH EFFICIENCY 18V SYNCHRONOUS STEP-DOWN CONVERTER FAMILY FOR 4A TO 20A

MPQ8632 Rev.1.26

www.MonolithicPower.com

6/7/2017

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

Efficiency vs.

Output Current

@500kHz,Vout=1.8V

100

0.01

0.1

OUTPUT CURRENT (A)

Figure 40 — Efficiency Curve

MPQ8632-10, VOUT=1.8V, IOUT=0.01A-10A, FSW=500kHz

FREQ

VCC

PGND

BST

MPQ8632

VIN

RFREQ

AGND

C1A

VOUT

C1B

C1C

Figure 41 — Typical Application Circuit with Low ESR Ceramic Capacitor

MPQ8632-10, VIN=12V, VOUT=1.8 V, IOUT=10A, FSW=800kHz

Efficiency vs.

Output Current

@800kHz, Vout=1.8V

100

0.01

0.1

OUTPUT CURRENT (A)

Figure 42 — Efficiency Curve

MPQ8632-10, VOUT=1.8V, IOUT=0.01A-10A, FSW=800kHz

MPQ8632 Datasheet(PDF) 39 Page - Monolithic Power Systems