el7562cu-t7 Intersil Corporation, el7562cu-t7 Datasheet

el7562cu-t7

Manufacturer Part Number

el7562cu-t7

Description

Monolithic 2amp Dc-dc Step-down Regulator

Manufacturer

Intersil Corporation

Datasheet

1.EL7562CU-T7.pdf (9 pages)

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Monolithic 2Amp DC-DC Step-Down

Regulator

The EL7562 is an integrated, synchronous step-down

regulator with output voltage adjustable from 1.0V to 3.8V. It

is capable of delivering 2A continuous current at up to 95%

efficiency. The EL7562 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 EL7562 is

available in a fused-lead 16 Ld QSOP package. With proper

external components, the whole converter fits into a less

than 0.5 in

small size make this EL7562 ideal for desktop and portable

applications.

The EL7562 is specified for operation over the 0°C to +70°C

temperature range.

Pinout

(4.5V- 5.5V)

Please refer to page 4 for 3.3V input Application Diagram

Manufactured under U.S. Patent No. 57,323,974

39Ω

100µF

0.1µF

area. The minimal external components and

0.1µF

270pF

(16 LD QSOP)

TOP VIEW

EL7562

SGND

COSC

VDD

PGND

VIN

PGND

VDRV

Data Sheet

VREF

VHI

0.1µF

1kΩ

0.1µF

2.37kΩ

1-888-INTERSIL or 1-888-468-3774

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

100µF

(3.3V,

2A)

Features

• Integrated synchronous MOSFETs and current mode

• 2A continuous output current

• Up to 95% efficiency

• 3.3V or 5V nominal input voltage

• Adjustable output from 1V to 3.8V

• Cycle-by-cycle current limit

• Precision reference

• ±0.5% load and line regulation

• Adjustable switching frequency to 1MHz

• Oscillator synchronization possible

• Internal soft-start

• Over-temperature protection

• Under-voltage lockout

• 16 Ld QSOP package

• Pb-free plus anneal available (RoHS compliant)

Applications

• DSP, CPU core and IO supplies

• Logic/Bus supplies

• Portable equipment

• DC-DC converter modules

• GTL + Bus power supply

Ordering Information

NOTE: Intersil Pb-free plus anneal products employ special Pb-free

material sets; molding compounds/die attach materials and 100%

matte tin plate termination finish, which are RoHS compliant and

compatible with both SnPb and Pb-free soldering operations. Intersil

Pb-free products are MSL classified at Pb-free peak reflow

temperatures that meet or exceed the Pb-free requirements of

IPC/JEDEC J STD-020.

EL7562CU

EL7562CU-T7

EL7562CU-T13

EL7562CUZ

(Note)

EL7562CUZ-T7

(Note)

EL7562CUZ-T13

(Note)

PART NUMBER

controller

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

May 1, 2006

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

7562CU

7562CUZ

MARKING

PART

TAPE &

REEL

13”

7”

16 Ld QSOP MDP0040

16 Ld QSOP

(Pb-free)

16 Ld QSOP

(Pb-free)

16 Ld QSOP

(Pb-free)

PACKAGE

EL7562

FN7295.1

MDP0040

DWG. #

PKG.

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