NJM431S/NJM432S
ADJUSTABLE PRECISION SHUNT REGULATOR
■ GENERALDESCRIPTION
■ PACKAGE OUTLINE
The NJM431S/NJM432S are adjustable precision shunt regulators.
The output voltage may be set to any value between VREF
(about 2.5V) and 36V by two resistors.
Compared to the conventional 431, the NJM431S/NJM432S are
improved the voltage accuracy. And they have smaller package
option to support a wide range of applications.
NJM431SF
NJM432SF
(SOT-23-5)
NJM431SU
NJM432SU
(SOT-89-3)
The NJM432S is the pin assignment option.
■ FEATURES
▪ Operating Voltage
VREF to 36V
▪ Precision Voltage Reference 2.495±1.8%
▪ Adjustable Output Voltage
▪ Bipolar Technology
▪ Package Outline
NJM431SU / NJM432SU
NJM431SF / NJM432SF
SOT-89-3
SOT-23-5
■ BLOCK DIAGRAM / SYMBOL
CATHODE
CATHODE
REFERENCE
+
-
REFERENCE
VREF
ANODE
ANODE
■ PIN CONFIGURATION
NJM431SU
NJM431SF
NJM432SU
NJM432SF
4
3
4
5
5
1
2
3
1
2
3
1
2
1
2
3
1.REFERENCE
2.ANODE
1.N.C.
1.CATHODE
2.ANODE
1.N.C.
2.ANODE*
2.ANODE
3.N.C.
3.CATHODE
3.CATHODE
4.REFERENCE
5.ANODE
3.REFERENCE
4.CATHODE
5.REFERENCE
*Pin2is attached to Substrate
andmustbeconnected to
ANODE orleft open.
Ver.2015-06-26
- 1 -