NJM431

-1-

Ver.2003-07-18

ADJUSTABLE PRECISION SHUNT REGULATOR

■ GENERAL DESCRIPTION

■ PACKAGE OUTLINE

The NJM431 is a 3 terminal adjustable shunt regulator. The output

by two resistors. Output circuitry shows a sharp turn-on

characteristics. Applications include shunt regulators, series

regulators for small power and isolation regulators with photo

couplers.

■ FEATURES

• Fast Tum-On Respability

• Cathode Current (1mA to 100mA)

• Low Dynamic Output Impedance

(0.2Ωtyp.)

• Load Regulation typically (0.1%)

• Package Outline DIP8, DMP8. TO-92. SOT-89

• Bipolar Technology

■ PIN CONFIGURATION

■ EQUIVALENT CIRCUIT

NJM431D

NJM431M

1. REF

2. ANODE

3. CATHODE

NJM431L(TO-92)

NJM431U(SOT-89)

NJM431L

NJM431U