RT2652 datasheet(1/12 Pages) RICHTEK

Part #	RT2652

Description	2A, 1.2MHz Synchronous Step-Down Converter

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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RT2652

®

DS2652-00

November 2012

www.richtek.com

1

©

Copyright

is a registered trademark of Richtek Technology Corporation.

2A, 1.2MHz Synchronous Step-Down Converter

Features

High Efficiency : Up to 95%

Fixed Frequency : 1.2MHz

No Schottky Diode Required

Internal Compensation

0.6V Reference Allows Low Output Voltage

100% Duty Cycle for Low Dropout Operation

OCP, UVP, OTP

RoHS Compliant and Halogen Free

Applications

Enterprise Servers

Ethernet Switches & Routers

Global Storage

Telecom & Industrial

Cell Phones & DSC's

General Description

The RT2652 is a high efficiency synchronous, step-down

DC/DC converter. The available input voltage range is from

2.7V to 5.5V the regulated output voltage is adjustable

from 0.6V to VIN while delivering up to 2A of output current.

The internal synchronous low on-resistance power

switches increase efficiency and eliminate the need for

an external Schottky diode. The switching frequency is

fixed internally at 1.2MHz. The 100% duty cycle provides

low dropout operation extending battery life in portable

systems. Current mode operation with internal

compensation allows the transient response to be

optimized. The RT2652 is available in the WDFN-10L 3x3

package.

Simplified Application Circuit

Marking Information

0K=YM

DNN

0K= : Product Code

YMDNN : Date Code

Ordering Information

Note :

Richtek products are :

RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

Suitable for use in SnPb or Pb-free soldering processes.

RT2652

Package Type

QW : WDFN-10L 3x3 (W-Type)

Lead Plating System

G : Green (Halogen Free and Pb Free)

RT2652

PGND

VIN

VOUT

AGND

LX

FB

EN

Pin Configurations

(TOP VIEW)

WDFN-10L 3x3

EN

VIN

FB

AGND

PGND

LX

AGND

LX

VIN

9

8

7

1

2

3

4

5

10

6

11

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