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参数资料
| 型号： | LMV431CMWC |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24 V, UUC |
| 封装： | WAFER |
| 文件页数： | 14/18页 |
| 文件大小： | 596K |
| 代理商： | LMV431CMWC |
LMV431I Electrical Characteristics
T
A = 25C unless otherwise specified
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
REF
Reference Voltage
V
Z =VREF,IZ = 10mA
(See Figure 1 )
T
A = 25C
1.222
1.24
1.258
V
T
A = Full Range
1.202
1.278
V
DEV
Deviation of Reference Input Voltage
Over Temperature (Note 4)
V
Z =VREF,IZ = 10mA,
T
A = Full Range (See Figure 1)
620
mV
Ratio of the Change in Reference
Voltage to the Change in Cathode
Voltage
I
Z = 10mA (see Figure 2 )
V
Z from VREF to 6V
R
1 = 10k, R2 = ∞ and 2.6k
1.5
2.7
mV/V
I
REF
Reference Input Current
R
1 = 10k
,R
2 = ∞
I
I = 10mA (see Figure 2)
0.15
0.5
A
∝I
REF
Deviation of Reference Input Current
over Temperature
R
1 = 10k
,R
2 = ∞,
I
0.1
0.4
A
I
Z(MIN)
Minimum Cathode Current for
Regulation
V
55
80
A
I
Z(OFF)
Off-State Current
V
0.001
0.1
A
r
Z
Dynamic Output Impedance (Note 5)
V
Z =VREF,IZ = 0.1mA to 15mA
Frequency = 0Hz (see Figure 1)
0.25
0.4
LMV431AC Electrical Characteristics
T
A = 25C unless otherwise specified
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
REF
Reference Voltage
V
Z =VREF,IZ =10 mA
(See Figure 1 )
T
A = 25C
1.228
1.24
1.252
V
T
A = Full Range
1.221
1.259
V
DEV
Deviation of Reference Input Voltage
Over Temperature (Note 4)
V
Z =VREF,IZ = 10mA,
T
A = Full Range (See Figure 1)
412
mV
Ratio of the Change in Reference
Voltage to the Change in Cathode
Voltage
I
Z =10 mA (see Figure 2 )
V
Z from VREF to 6V
R
1 = 10k, R2 = ∞ and 2.6k
1.5
2.7
mV/V
I
REF
Reference Input Current
R
1 =1 k
,R
2 = ∞
I
I =10 mA (see Figure 2)
0.15
0.50
A
∝I
REF
Deviation of Reference Input Current
over Temperature
R
1 =10 k
,R
2 = ∞,
I
0.05
0.3
A
I
Z(MIN)
Minimum Cathode Current for
Regulation
V
55
80
A
I
Z(OFF)
Off-State Current
V
0.001
0.1
A
r
Z
Dynamic Output Impedance (Note 5)
V
Z =VREF,IZ = 0.1mA to 15mA
Frequency = 0 Hz (see Figure 1)
0.25
0.4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LMV431CZ | 功能描述:基准电压& 基准电流 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 |
| LMV431CZ | 制造商:Texas Instruments 功能描述:SHUNT REG ADJ +1.24-30V TO-92 431 |
| LMV431CZ/NOPB | 功能描述:基准电压& 基准电流 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 |
| LMV431IM5 | 功能描述:基准电压& 基准电流 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 |
| LMV431IM5 | 制造商:Texas Instruments 功能描述:SHUNT REG ADJ +1.24/30V SOT-23-5 |
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