UNISONIC TECHNOLOGIES CO., LTD

UD05303

Preliminary

CMOS IC

www.unisonic.com.tw

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Copyright © 2015 Unisonic Technologies Co., Ltd

QW-R503-A75.b

3A, 1MHz, HIGH EFFICIENCY

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DESCRIPTION

The UTC UD05303 is a high-efficiency 1MHz synchronous

step-down DC-DC regulator IC capable of delivering up to 3A

output current. The UTC UD05303 operates over a wide input

voltage ranging form 3~5.5V and integrate main switch and

conduction loss.

Low output voltage ripple and small external inductor and

capacitor sizes are achieved with 1MHz switching provides the

system reset function and facilitates the output sequencing design.

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FEATURES

* 3~5.5V input voltage range

* 1MHz switching frequency minimizes the external components

* Internal softstart limits the inrush current

*100% dropout operation

* Output power good indicator

* RoHS compliant and halogen free

* Compact and thermally enhanced SO8 package with exposed

paddle

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ORDERING INFORMATION

Ordering Number

Package

Packing

UD05303G-SH2-R

HSOP-8

Tape Reel

UD05303G-SH2-R

(1)Packing Type

(2)Package Type

(1) R: Tape Reel

(2) SH2: HSOP-8

(3) G: Halogen Free and Lead Free

(3)Green Package

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MARKING