BR431M shunt regulator Datasheet

BR431M Datasheet, PDF, Equivalent


Part Number

BR431M

Description

Precision adjustable shunt regulator

Manufacture

BLUE ROCKET ELECTRONICS

Total Page 7 Pages
Datasheet
Download BR431M Datasheet


BR431M
BR431M
Rev.E Apr.-2017
描述 / Descriptions
SOT-23 塑封封装精密可调基准电源。
Precision adjustable shunt regulator in a SOT-23 Plastic Package.
DATA SHEET
特征 / Features
精确参照电压 2.500V;允许电压误差为 0.4%,0.8%;阴极电流能力为 1.0mA~100mA;快速导通;可调节
输出电压为 VO=Vref~37V;阴极工作电流低(典型值:400μA);动态输出阻抗低(典型值:0.15Ω)。
Precise reference voltage to 2.500V;guaranteed 0.4%,0.8% reference voltage Tolerance; sink
current capability,1.0mA100mA;quick turn-on; adjustable Output voltage, VO=Vref37V;low
operational cathode current,400μA typical; 0.15typical output impedance.
用途 / Applications
用于线性调整器,可调节电源和开关电源。
Linear regulators, adjustable power supply, switching power supply.
内部等效电路 / Equivalent Circuit
引脚排列 / Pinning
3
1
2
PIN1R
PIN 2K
PIN 3A
放大及印章代码 / hFE Classifications & Marking
Marking
BR431
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BR431M
BR431M
Rev.E Apr.-2017
极限参数 / Absolute Maximum Ratings(Ta=25)
参数
Parameter
Cathode to Anode Voltage
Cathode Current Range, Continuous
Reference Input Current Range, Continuous
Power Dissipation
Operating Ambient Temperature
Junction Temperature
Storage Temperature Range
符号
Symbol
VKA
IK
IREF
PD
Tamb
Tj
Tstg
DATA SHEET
数值
Rating
37
-100+100
0.05+10
370
-40125
160
-65150
单位
Unit
V
mA
mA
mW
电性能参数 / Electrical Characteristics(Ta=25)
参数
Parameter
Reference Input voltage
Deviation of Reference
Input Voltage Over-
Temperature
Ratio of Change in
Reference Input Voltage
to the Change in Cathode
Voltage
Reference Input current
Deviation of Reference
Input Current Over Full
Temperature Range
Minimum Cathode Current
for Regulation
Off-state cathode current
Dynamic impedance
符号
Symbol
VREF
VREF/T
VREF/VKA
IREF
IREF/T
IK(min)
IK(off)
|ZKA|
测试条件
Test Conditions
VKA=VREF
IK=10mA(A=0.4%)
VKA=VREF
IK=10mA(B=0.8%)
VKA=VREF
IK=10mA
TA=-2585
IK=10Ma
VKA =10V to VREF
IK=10mA
VKA =36V to 10V
IK=10mA R1=10
R2=open
IK=10mA
R1=10K,
R2=open
TA=-40125
VKA=VREF
VKA=36V
VREF=0V
VKA=VREF
IK=1mA to 100mA
f1.0KHz
最小值 典型值 最大值
Min Typ Max
2.490 2.500 2.510
单位
Unit
V
2.480 2.500 2.520 V
4.5 17 mV
-1
-0.45
1.0
-2.7 mV/V
-2.0 mV/V
4.0 μA
0.4 1.2 μA
0.4 1 mA
0.05 1.0 μA
0.15 0.5
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Features BR431M Rev.E Apr.-2017 / Descriptions S OT-23 Precision adjustable shunt regul ator in a SOT-23 Plastic Package. DATA SHEET / Features 2.500V; 0.4%,0.8%; 1.0mA~100mA;; VO=Vref~37V;(:400μ A);(:0.15Ω) Precise reference voltage to 2.500V;guaranteed 0.4%,0.8% referenc e voltage Tolerance; sink current capab ility,1.0mA~100mA;quick turn-on; adju stable Output voltage, VO=Vref~37V;lo w operational cathode current,400μA ty pical; 0.15Ω typical output impedance . / Applications Linear regulators, a djustable power supply, switching power supply. / Equivalent Circuit / Pinn ing 3 1 2 PIN1:R PIN 2:K PIN 3 A / hFE Classifications & Marking M arking BR43 .
Keywords BR431M, datasheet, pdf, BLUE ROCKET ELECTRONICS, Precision, adjustable, shunt, regulator, R431M, 431M, 31M, BR431, BR43, BR4, Equivalent, stock, pinout, distributor, price, schematic, inventory, databook, Electronic, Components, Parameters, parts, cross reference, chip, Semiconductor, circuit, Electric, manual, substitute




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