MP4566 datasheet(3/14 Pages) MPS

Part #	MP4566

Description	36V, 1MHz, 0.6A Step-Down Converter With 35關A Quiescent Current

PDF	14 Pages

Scroll/Zoom	100%

Manufacturer	MPS [Monolithic Power Systems]

Direct Link	http://www.monolithicpower.com

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3 / 14 page

MP4566―36V, 1MHz, 0.6A, STEP-DOWN CONVERTER WITH 35μA QUIESCENT CURRENT

MP4566 Rev. 1.01

ww.MonolithicPower.com

9/22/2011

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

ELECTRICAL CHARACTERISTICS

VIN = 12V, VEN = 2V, TA= 25°C, unless otherwise noted.

Parameter

Condition

Min

Typ

Max

Units

Feedback Voltage

4.5V < VIN < 36V

0.97

1.0

1.03

Upper Switch On Resistance VBST-VSW=5V

450

mΩ

Upper Switch Leakage

VEN = 0V, VSW = 0V

μA

Current Limit

0.8

1.2

1.6

VIN UVLO Up Threshold

4.0

4.2

VIN UVLO Hysteresis

0.4

Soft-start time

FB from 0 to 1.8V

0.5

Oscillator Frequency

800

1000

1200

kHz

Minimum Switch On Time

100

Shutdown Supply Current

VEN < 0.3V

μA

Supply Quiescent Current

No load, VFB=1.3

μA

Thermal Shutdown

150

°C

Enable High Threshold

Low-to-High

1.8

Enable Low Threshold

High-to-Low

1.15

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