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FEATURES

DESCRIPTION

L

O

A

D

SENSE (–)

SENSE (+)

PTQA430xxxN

5

2

7

Adjust

8

6

4

1

3

Sense(+)

Sense(−)

(Optional)

(Optional)

Remote

On/Off

PTQA430025, PTQA430033

SLTS261 – MAY 2006

100-W 48-V INPUT ISOLATED DC/DC CONVERTER

The PTQA4300xx series operates from a standard

48-V

telecom

central

office

(CO)

supply

and

•

100-W Output

•

Input Voltage Range: 36 V to 75 V

OEMs a compact and flexible high-output power

source in an industry standard footprint. They are

•

92% Efficiency

suitable for distributed power applications in both

•

1500 Vdc Isolation

telecom and computing environments, and may be

•

Fast Transient Response

used for powering high-end microprocessors, DSPs,

•

On/Off Control

general purpose logic and analog.

•

Overcurrent Protection

Features include a remote On/Off control with

optional logic polarity, an

undervoltage

lockout

•

Differential Remote Sense

(UVLO), a differential remote sense, and an industry

•

Adjustable Output Voltage

standard output voltage adjustment using an external

•

Output Overvoltage Protection

resistor.

Protection

features

include

output

•

Over-Temperature Shutdown

overcurrent protection (OCP), overvoltage protection

(OVP), and thermal shutdown (OTP).

•

Undervoltage Lockout

The modules are fully integrated for stand-alone

•

Standard 1/4-Brick Footprint

operation, and require no additional components.

•

UL Safety Agency Approval

The PTQA4300xx series of power modules are

single-output isolated DC/DC converters, housed in

an industry standard quarter-brick package. These

modules are rated up to 100W with a maximum load

current of 30 amps.

STANDARD APPLICATION

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2006, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.