M7085G(2012) 데이터 시트보기 (PDF) - Unisonic Technologies

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M7085G
(Rev.:2012)

PFM STEP-DOWN DC-DC CONTROLLER

Unisonic Technologies 

UNISONIC TECHNOLOGIES CO., LTD

M7085

PFM STEP-DOWN DC-DC

CONTROLLER

CMOS IC

„ DESCRIPTION

The UTC M7085 step-down DC-DC Controller is optimized for

use with a power PMOSFET. It utilize a Pulse-Frequency

Modulation (PFM) control scheme that implies high efficiency

operation at light loads.

There are two user-selectable over-current protection methods

one provides over-current protection by taking advantage of the

RDS(ON) of the P- Channel. The other provides accurate over-current

protection with the use of an external sense resistor. The

cycle-by-cycle current limit threshold can be adjusted with a

external resistor.

„ FEATURES

* High efficiency 90% and up is possible

* Low dropout operation：100% duty cycle

* Maximum operating frequency > 1MHz

* Two methods of over-current protection

* 4.5V ~ 35V wide input range

* 1.24V ~ VIN adjustable output range

„ ORDERING INFORMATION

Ordering Number

Lead Free

Halogen Free

M7085L-SM1-R

M7085G-SM1-R

M7085L-SM1-T

M7085G-SM1-T

Package

MSOP-8

MSOP-8

Packing

Tape Reel

Tube

www.unisonic.com.tw

Copyright © 2012 Unisonic Technologies Co., Ltd

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QW-R502-092, Ba

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