NJM431S/NJM432S
ADJUSTABLE PRECISION SHUNT REGULATOR
■ GENERAL DESCRIPTION The NJM431S/NJM432S are adjustable precisio...
NJM431S/NJM432S
ADJUSTABLE PRECISION SHUNT
REGULATOR
■ GENERAL DESCRIPTION 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. The NJM432S is the pin assignment option.
■ PACKAGE OUTLINE
NJM431SU NJM432SU (SOT-89-3)
NJM431SF NJM432SF (SOT-23-5)
■ FEATURES ▪ Operating Voltage ▪ Precision Voltage Reference ▪ Adjustable Output Voltage ▪ Bipolar Technology ▪ Package Outline
VREF to 36V 2.495±1.8%
NJM431SU / NJM432SU NJM431SF / NJM432SF
SOT-89-3 SOT-23-5
■ BLOCK DIAGRAM / SYMBOL
CATHODE
CATHODE
REFERENCE +
VREF
REFERENCE
■ PIN CONFIGURATION
NJM431SU
ANODE
NJM431SF
5
4
ANODE
NJM432SU
NJM432SF
5
4
1
2
3
1.REFERENCE
2.ANODE
3.CATHODE
Ver.2016-05-13
123
1.N.C. 2.ANODE* 3.CATHODE 4.REFERENCE 5.ANODE
* Pin 2 is attached to Substrate
and must beconnected to ANODE or left open.
1
2
3
1.CATHODE
2.ANODE
3.REFERENCE
123
1.N.C. 2.ANODE 3.N.C. 4.CATHODE 5.REFERENCE
-1-
NJM431S/NJM432S
■ ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
MAXIMUM RATINGS
(Ta=25ºC) UNIT
Cathode Voltage
VKA
Continuous Cathode Current
IK
Reference Input Current
IREF
Power Dissipation
PD
37 (*1)
V
-100 to 150
mA
-0.05 to 10
mA
SOT-89-3 : 450(*2)
: 1300(*3) SOT-23-5 : 480(*4)
mW
: 650(*5)
Operatin...