Rev. 10/30/00

SPX431C

Precision Adjustable Shunt Regulator

FEATURES

APPLICATIONS

•

Wide Operating Current…………………….1mA to 150mA

•

Battery Operating Equipments

•

Extended Termperature Range……………………… 105

°°°°C

•

Adjustable Supplies

•

Low Temperature Coeffecient 30 ppm/

°C

•

Switching Power Supplies

•

Offered in TO-92, SOT-89 & SOT-23-5 Packages

•

Error Amplifiers

•

Improved Replacement in Performance for TL431

•

Single Supply Amplifier

•

Low Cost Solution

•

Monitors / VCR / TV

•

Personal Computers

PRODUCT DESCRIPTION

The SPX431C is a 3-Terminal Adjustable Shunt Voltage Regulator providing a highly accurate bandgap reference. SPX431C acts as

an open-loop error amplifier with a 2.5V temperature compensation reference. The SPX431C thermal stability, wide operating current

(150mA) and temperature range (105

°C) makes it suitable for all variety of applications that are looking for a low cost solution with

high performance.

industrial temperature range of 0°C to 105°C. The SPX431C is available in TO-92, SOT-23-5 and SOT-89 packages.

PIN CONFIGURATION

2.5V

+

-

REFERENCE

(R)

CATHODE (K)

ANODE (A)

Bottom View

TO-92 (N)

13

2

CATHODE

ANODE

REF

SOT-23-5 (M5)

3

2

1

Top View

SPX431C

54

Top View

SPX431C

SOT-89 (M1)

1

2

3

REF

ANODE

CATHODE

REF

ANODE

CATHODE

N/C N/C