EL7563CRE Intersil Corporation, EL7563CRE Datasheet

EL7563CRE

Manufacturer Part Number

EL7563CRE

Description

Manufacturer

Intersil Corporation

Datasheets

1.EL7563CRE.pdf (16 pages)

2.EL7563CRE.pdf (16 pages)

3.EL7563CRE.pdf (16 pages)

4.EL7563CRE.pdf (18 pages)

Specifications of EL7563CRE

Case

TSSOP28

Date_code

0810/0819

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

EL7563CRE

Manufacturer:

ELANTEC

Quantity:

20 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

EL7563CREZ

Manufacturer:

INTERSIL

Quantity:

20 000

Current page: 1 of 16
Download datasheet (656Kb)

Monolithic 4 Amp DC/DC Step-Down

Regulator

The EL7563 is an integrated, full-featured synchronous step-

down regulator with output voltage adjustable from 1.0V to

2.5V. It is capable of delivering 4A continuous current at up

to 95% efficiency. The EL7563 operates at a constant

frequency pulse width modulation (PWM) mode, making

external synchronization possible. Patented on-chip

resistorless current sensing enables current mode control,

which provides cycle-by-cycle current limiting, over-current

protection, and excellent step load response. The EL7563

features power tracking, which makes the start-up

sequencing of multiple converters possible. A junction

temperature indicator conveniently monitors the silicon die

temperature, saving the designer time on the tedious

thermal characterization. The minimal external components

and full functionality make this EL7563 ideal for desktop and

portable applications.

The EL7563 is offered in 20-pin SO and 28-pin HTSSOP

packages.

Pinout

3.3V

Typical Application Diagrams continued on page 3

Manufactured Under U.S. Patent No. 5,7323,974

22:

330µF

0.22µF

0.1µF

390pF

2.2nF

VREF

SGND

COSC

VDD

VTJ

PGND

VIN

STP

STN

(20-PIN SO)

TOP VIEW

EL7563

PGND

VDRV

VHI

Data Sheet

4.7µH

0.22µF

330µF

C10

2.2nF

0.1µF

1-888-INTERSIL or 1-888-352-6832

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1.58k:

1k:

0.22µF

OUT

2.5V

Features

• Integrated synchronous MOSFETs and current mode

• 4A continuous output current

• Up to 95% efficiency

• Internal patented current sense

• Cycle-by-cycle current limit

• 3V to 3.6V input voltage

• Adjustable output voltage 1V to 2.5V

• Precision reference

• ±0.5% load and line regulation

• Adjustable switching frequency to 1MHz

• Oscillator synchronization possible

• Internal soft-start

• Over-voltage protection

• Junction temperature indicator

• Over-temperature protection

• Under-voltage lockout

• Multiple supply start-up tracking

• Power-good indicator

• 20-pin SO (0.300”) package

• 28-pin HTSSOP package

• Pb-Free available (RoHS compliant)

Applications

• DSP, CPU core, and I/O supplies

• Logic/Bus supplies

• Portable equipment

• DC/DC converter modules

• GTL + Bus power supply

controller

All other trademarks mentioned are the property of their respective owners.

May 13, 2005

Intersil (and design) is a registered trademark of Intersil Americas Inc.

EL7563

FN7296.2

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