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NJM1431AU Datasheet Preview

NJM1431AU Datasheet

ADJUSTABLE HIGH PRECISION SHUNT REGULATOR

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NJM1431A
ADJUSTABLE HIGH PRECISION SHUNT REGULATOR
GENERAL DESCRIPTION
The NJM1431A is a precision shunt regulator.
Compared to the conventional 431, The NJM1431A offers
higher voltage accuracy and small package availability to
support a wide range of applications.
PACKAGE OUTLINE
NJM1431AU
NJM1431AF
FEATURES
Operating Voltage
VREF to 36V
Precision Voltage Reference
2.465V±1%
1.6mm × 1.2mm to ESON4 package
Adjustable Output Voltage
Bipolar Technology
Package Outline
NJM1431AU
: SOT89 (3pin)
NJM1431AF
: SOT-23-5 (MTP5)
NJM1431AKF1 : ESON4-F1
NJM1431AKF1
BLOCK DIAGRAM
REFERENCE
VREF
CATHODE
ANODE
PIN CONFIGURATION
123
NJM1431AU
1. REFERENCE
2. ANODE
3. CATHODE
NC 1
ANODE 2
NC 3
5 REFERENCE
4 CATHODE
NJM1431AF
Ver.2010-03-26
REFERENCE 1
CATHODE 2
4 ANODE
3 NC
4
1
3
2
Exposed PAD on backside
connect to ANODE.
(Top View)
(Bottom View)
NJM1431AKF1
-1-




New Japan Radio

NJM1431AU Datasheet Preview

NJM1431AU Datasheet

ADJUSTABLE HIGH PRECISION SHUNT REGULATOR

No Preview Available !

NJM1431A
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
SYMBOL
MAXIMUM RATINGS
UNIT
Cathode Voltage
VKA
Continuous Cathode Current
IK
+37
V
-100 ~ 150
mA
Reference Input Current
IREF
-0.05 ~ 10
mA
SOT89 (3pin)
350
Power Dissipation
PD
SOT-23-5
ESON4-F1
200
412 (*1)
mW
1,150 (*2)
Operating Temperature Range
TOPR
-40 ~ +85
°C
Storage Temperature Range
TSTG
-40 ~ +150
°C
(*1): Mounted on glass epoxy board based on EIA/JEDEC. (101.5 × 114.57 × 1.6mm: 2Layers)
(*2): Mounted on glass epoxy board based on EIA/JEDEC.
(101.5 × 114.57 × 1.6mm: 4Layers Internal foil area: 99.5 × 99.5mm)
RECOMMENDED OPERATING CONDITIONS (Ta=25°C)
PARAMETER
SYMBOL
MIN.
TYP.
Cathode Voltage
Cathode Current
VKA
VREF
IK
1
MAX.
36
100
UNIT
V
mA
ELECTRICAL CHARACTERISTICS (IK=10mA, Ta=25°C)
PARAMETER
SYMBOL
TEST CONDITION
Reference Voltage
VREF
VKA=VREF
(*3)
Reference Voltage
Change vs. Cathode
Voltage Change
VREF/
VKA
VREFVKA 10V
10V VKA 36V
(*4)
(*4)
Reference Input Current
IREF
R1=10k, R2=
(*4)
Minimum Input Current
IMIN
VKA=VREF, VREF=1%
(*3)
Cathode Current
(Off Cond.)
IOFF
VKA=36V, VREF=0V
(*5)
Dynamic Impedance
ZKA
VKA= VREF, f1kHz
1mA IK 100mA
(*3)
MIN.
2.440
TYP.
2.465
±1.4
±1.0
2
0.4
0.1
0.2
MAX.
2.490
±2.7
±2.0
4
1.0
1.0
UNIT
V
mV/V
mV/V
uA
mA
uA
0.5
TEMPERATURE CHARACTERISTICS (IK=10mA, Ta= -40°C ~ 85°C)
PARAMETER
SYMBOL
TEST CONDITION
Reference Voltage
Change
VREF VKA=VREF
(*3)
Reference Input Current
Change
IREF R1=10k, R2=
(*4)
MIN.
TYP. MAX. UNIT
8
17 mV
0.4
1.2 uA
The maximum value of “Dynamic Impedance“, “Reference Voltage Change” and “Reference Input Current Change”
are determined based on sampling evaluation from the 5 initial production lots, and thus not tested in the production test.
Therefore, these values are for the reference design purpose only.
VREF···Reference voltage includes error.
(*3): Test Circuit (Fig.1)
(*4): Test Circuit (Fig.2)
(*5): Test Circuit (Fig.3)
-2-
Ver.2010-03-26


Part Number NJM1431AU
Description ADJUSTABLE HIGH PRECISION SHUNT REGULATOR
Maker New Japan Radio
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