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参数资料
| 型号： | TL431S |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495 V, PDSO8 |
| 封装： | SOIC-8 |
| 文件页数： | 3/7页 |
| 文件大小： | 112K |
| 代理商： | TL431S |
Rev. 10/26/00
TL431
ELECTRICAL CHARACTERISTICS at 25°C Ik @ 10mA Vk=Vref, unless otherwise specified.
Parameter
Symbol
Test Conditions
Test
Circuit
TL431
Unit
Min
Typ
Max
Reference Voltage
VREF
TA = 25
°C
Over Temp.
1
2.470
2.449
2.495
2.520
2.541
V
VREF with Temp.
TC
1
0.07
0.20
mV/
°C
Ratio of Change in VREF to
Cathode Voltage
VREF
VK
VREF to 10V
10V to 36V
2
-2.7
-2
-1.0
-0.4
0.3
mV/V
Reference Input Current
IREF
2
0.7
4
A
IREF Temp Deviation
IREF
Over Temp.
2
0.4
1.2
A
Min IK for Regulation
IK(MIN)
1
0.4
1
mA
Off State Leakage
IK(OFF)
VREF = 0V,
VKA = 36V
3
0.04
500
nA
Dynamic Output Impedance
ZKA
F<1khz IK=1-150mA
1
0.15
0.5
TC = Test Circuit
Calculating Average Temperature Coefficient (TC)
TEST CIRCUITS
ppm
mV
TC in mV/°C =
V
REF (mV)
T
A
TC in %/°C =
V
REF at 25°C
T
A
V
REF
)
x 100
TC in ppm/°C =
V
REF at 25°C
T
A
V
REF
)
x 106
5000
Τ
-55
0.06 mV/°C
V
REF
0
%
-20
-10
0.5
Temperature (°C)
0.002 %/°C
24 ppm/°C
-25
0
25
50
75 100 125
I
K
I
REF
V
IN
V
KA = VREF
V
IN
V
KA
I
K
R
1
R
2
(V
REF)
Figure 1b. Test Circuit 2
Figure 1a. Test Circuit 1
V
IN
V
KA
I
K (OFF)
Figure 1c. Test Circuit 3
I
REF
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TL431-S08-R | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:PROGRAMMABLE PRECISION REFERENCE |
| TL431-S08-T | 制造商:UTC-IC 制造商全称:UTC-IC 功能描述:PROGRAMMABLE PRECISION REFERENCE |
| TL431SDT | 制造商:NXP Semiconductors 功能描述:VREG 2% 2.495V 36V 3SOT23 制造商:NXP Semiconductors 功能描述:VREG, 2%, 2.495V, 36V, 3SOT23 制造商:NXP Semiconductors 功能描述:VREG, 2%, 2.495V, 36V, 3SOT23; Output Voltage Min:2.5V; Output Voltage Max:36V; Voltage Regulator Case Style:SOT-23; No. of Pins:3; No. of Outputs:1; Output Current:100mA; Operating Temperature Min:-40C; Operating Temperature ;RoHS Compliant: Yes |
| TL431SDT,215 | 功能描述:基准电压& 基准电流 SHUNT REGULATOR RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| TL431SDT215 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
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