Datasheet > EL7560CM

EL7560CM

更新时间： 2024-11-05 22:50:59

品牌	Logo	应用领域
英特矽尔 - INTERSIL		开关光电二极管局域网
页数	文件大小	规格书
7页	373K
描述
Programmable CPU Power Supply Unit

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EL7560CM 数据手册

EL7560

Data Sheet

August 21, 1998

FN7294

Programmable CPU Power Supply Unit

Features

The EL7560 is the simplest, most cost

effective method for powering modern

high power CPUs which require a user

• 3.3V @ 12.4amps continuous

• Internal FETs

• >90% efficiency

adjustable output voltage. Although it is particularly designed

to function with next generation CPUs, its simple design can

provide low cost solutions for any 5V to 3V application.

• Synchronous switching

• 4-bit digitally adjustable output voltage

• User adjustable slope compensation

• Internal soft start

The circuit uses on chip resistorless current sensing for high

efficiency, stable current mode control. An on chip

temperature sensor resets the OT pin. The OT pin can be

tied directly to the OUTEN pin for automatic overtemperature

shutdown. The user can adjust the oscillator frequency as

well as the slope compensation.

• Over temperature indicator

• Low current sleep mode

• Low parts count

The output voltage is adjustable using a 4-bit parallel

interface. A power OK signal "PWRGD' pulls high when the

FB pin is within -7% of the programmed value.

• Pulse by pulse current limiting

• High efficiency at light load

• Operates up to 1MHz

• 1% output accuracy

Pinout

EL7560

(28-PIN SOIC)

TOP VIEW

• Sync function

• Power good signal

Applications

CP-

CP+

C2V

VSS

VHI

FB 28

CREF 27

CSLOPE 26

COSC 25

VDD 24

1µF

• PC motherboards

4.7µF

68p

• Local high power CPU supplies

100

+10V

Ordering Information

220p

1µF

C11

ACND

1.5µH

10Ω

PART

NUMBER TEMP. RANGE

PACKAGE

PKG. NO.

30Ω

.1µF

VIN 23

EL7560CM -40°C to +85°C

28-Pin SOIC

MDP0027

.1µF 2mF

2.5µH

VSSP 22

VIN 21

VOUT

+2V - 3.5V

4mF

C10

VSSP 20

VSSP 19

VID0 18

VID1 17

VID2 16

VID3 15

PGND

10 LX

11 TEST

12 PWRGD

13 OT

OUTPUT

VOLTAGE*

SELECT

+5V

14 OUTEN

10K

* See VID Table on page 3

Note:

• AGND and PGND should be connected at C10

• D3 is 1.235V reference.

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

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

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

12 3 4 5 6 7

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与EL7560CM相关器件

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