GS-R51212S datasheet(1/8 Pages) STMICROELECTRONICS

No. de pieza	GS-R51212S

Descripción Electrónicos	31WTRIPLE OUTPUT STEP-DOWN SWITCHING REGULATORS

PDF	8 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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GS-R51212S

GS-R51515S

31W TRIPLE OUTPUT STEP-DOWN SWITCHING REGULATORS

June 1994

1/8

Type

Vi

Vo

Io

GS-R51212S

15 to 40 V

+ 5,1 V

4,5 A

± 12 V

0,35 A

GS-R51515S

15 to 40 V

+ 5,1 V

4,5 A

± 15 V

0,3 A

FEATURES

5.1V/4.5A and

±12V/0.35A or ±15V/0.3A output

voltages

±12 or ±15V externally adjustable

High efficiency (81% typ.)

Short-circuit protection

Reset output

Power Fail programmable input

Inhibit/Enable control input

Soft-start

PCB or chassis mounting

DESCRIPTION

The GS-R51212S and GS-R51515S are versatile

triple output, high current step-down switching

regulators that provide +5.1V/4.5A output voltage

and an isolated

±12V/0.35A or ±15V/0.3A dual

output voltage.

They are ideal for microprocessor based boards

because power the logic and the communication

ports and have Reset output and Power Fail pro-

grammable input for the correct system start-up.

The Inhibit/Enable pin allows the ON/OFF logic

function with TTL/CMOS compatible input signal.

The auxiliary outputs (

±12V or ±15V) are externally

adjustable in a very wide range, i.e. from

±4.25V to

±12.45V on GS-R51212S and from ±4.50V to

±15.25V (typical values) on GS-R51515S.

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Vi

DC Input Voltage

44

V

Irs

Reset Output Sink Current

20

mA

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GS-R51212S Datasheet(PDF) 1 Page - STMicroelectronics

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