ST2L01PT datasheet(1/12 Pages) STMICROELECTRONICS

No. de pieza	ST2L01PT

Descripción Electrónicos	DUAL VOLTAGE REGULATOR

PDF	12 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

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March 2002

s

VOUT1 = +3.3V FIXED

s

VOUT2 = 1.25 TO 3.0V ADJUSTABLE

s

GUARANTEED OUTPUT1 CURRENT: 1A

s

GUARANTEED OUTPUT2 CURRENT: 1A

s

±2% OUTPUT TOLERANCE (AT 25°C)

s

TYPICAL DROPOUT 1.1V

(IOUT1 = IOUT2 =1A)

s

INTERNAL POWER AND THERMAL LIMIT

s

STABLE WITH LOW ESR OUTPUT

CAPACITOR

s

OPERATING TEMPERATURE RANGE:

0°C TO 125°C

s

AVAILABLE IN PPAK AND SPAK-5L

(PowerFlex

™) PACKAGE

DESCRIPTION

Specifically

designed

for

data

storage

applications, this device integrates two voltage

regulators, each one able to supply 1A. It is

assembled in PPAK and in a new surface

mounting package named SPAK (PowerFlex

™) at

5 pins. The first regulator block supply 3.3V to

power the Read Channel and Memory Chips

requiring this voltage. The second one is an

Adjustable output voltage from 1.25V to 3.0V that

could

power

several

kind

of

different

micro-controllers.

Both

outputs

are

current

limited

and

overtemperature protected.

The very good thermal performances of the

package SPAK with only 2°C/W of Thermal

Resistance Junction to Case is important to

underline.

ST2L01

DUAL VOLTAGE REGULATOR

Over current

Protection

Over current

Protection

Thermal

Protection

Err-Amp

Power Output

VREF2

Power Output

VREF1

RA

RB

Err-Amp

VOUT2

ADJ

GND

VOUT1

Over current

Protection

Over current

Protection

Thermal

Protection

Err-Amp

Power Output

VREF2

Power Output

VREF1

RA

RB

Err-Amp

VOUT2

ADJ

GND

VOUT1

SCHEMATIC DIAGRAM

SPAK-5L

(PowerFlex

™)

PPAK

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