REJ03D0892-0100 Rev.1.00 Apr 03, 2007

Page 1 of 17

HA17431VPJ/PJ/PAJ/FPJ/FPAJ/PNAJ/UPA,

HA17432UPA

Shunt Regulator

REJ03D0892-0100

Rev.1.00

Apr 03, 2007

Description

The HA17431 series is temperature-compensated variable shunt regulators. The main application of these products is in

voltage regulators that provide a variable output voltage. The on-chip high-precision reference voltage source can

Features

• The V versions provide 2.500 V ±1% at Ta = 25°C

• The reference voltage has a low temperature coefficient

• The UPAKV miniature packages are optimal for use on high mounting density circuit boards

Block Diagram

A

+

−

REF

K

Application Circuit Example

Vout

+

–

A

K

REF

HA17431 Series

GND

Switching power supply secondary-side error amplification circuit

R