UD05123L-AF5-R datasheet(2/4 Pages) UTC

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UD05123L-AF5-R 数据表(PDF) 2 Page - Unisonic Technologies

部件名	UD05123L-AF5-R

功能描述	2.25MHz, 1.2A, VFB=0.6V SYNCHRONOUS STEP-DOWN CONVERTER

PDF	4 Pages

Scroll/Zoom	100%

制造商	UTC [Unisonic Technologies]

网页	http://www.utc-ic.com

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UD05123L-AF5-R 数据表(HTML) 2 Page - Unisonic Technologies

UD05123L-AF5-R Datasheet HTML 1Page - Unisonic Technologies

UD05123L-AF5-R Datasheet HTML 2Page - Unisonic Technologies

UD05123L-AF5-R Datasheet HTML 3Page - Unisonic Technologies

UD05123L-AF5-R Datasheet HTML 4Page - Unisonic Technologies

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UD05123

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 4

www.unisonic.com.tw

QW-R115-021.E



MARKING



PIN CONFIGURATION



PIN DESCRIPTION

PIN NO.

PIN NAME

DESCRIPTION

Enable pin

H: Normal operation；L: Shutdown

GND

Ground Pin

Switch output pin. Connect external inductor here. Minimize trace area at this pin to

reduce EMI.

VIN

Power Supply Input Pin

Output Feedback pin



BLOCK DIAGRAM

OSC

SLOPE

COMP

SET

PWM

ISENSE

AMP

VIN

GND

IZERO

COMP

OVERLAP

CONTROL

NON-

REF

Soft-Star

ICOMP

RESET

Enable Logic

Over-Temperature

and Short-Circuit

Protection

0.6V

LOGIC

Html Pages

1 2 3 4

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链接网址

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