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参数资料
| 型号： | AP431AFBF |
| 厂商： | DIODES INC |
| 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, DSO3 |
| 封装： | LEAD FREE, DFN-3 |
| 文件页数： | 7/12页 |
| 文件大小： | 317K |
| 代理商： | AP431AFBF |
AP431/AP431A
ADJUSTABLE PRECISION SHUNT REGULATOR
DS30714 Rev. 2 - 2
4 of 12
AP431/AP431A
www.diodes.com
Diodes Incorporated
Electrical Characteristics (Continued) (TA=25
oC, V+=+5.0V, unless otherwise stated)
(Note 5)
Note 5.
Deviation of reference input voltage, VDEV, is defined as the maximum variation of the reference over the full temperature
range. The average temperature coefficient of the reference input voltage
αVREF is defined as:
1
2
6
REF
DEV
REF
T
10
)
C)
(25
V
(
V
°
=
α
……………………..……………….. (
)
C
ppm
°
Where:
T2 – T1 = full temperature change.
αVREF can be positive or negative depending on whether the slope is positive or negative.
Note 4. The dynamic output impedance, RZ, is defined as:
KA
I
V
Z
=
When the device is programmed with two external resistors R1 and R2 (see Figure 2.), the dynamic output impedance of the overall
circuit, is defined as:
)
R2
R1
(1
Z
i
v
Z
KA
'
KA
+
=
≈
Test Circuits
Input
VREF
V
KA
I
KA
Fig 1. Test Circuit for V
KA= VREF
IN
VREF
R1
R2
IREF
Note:VKA=VREF(1+R1/R2)+IREFxR1
I
KA
V
KA
Fig 2. Test Circuit for V
KA>VREF
IN
V
KA
IZ(OFF)
Fig 3. Test Circuit for Off-State Current
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相关代理商/技术参数 |
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|---|---|
| AP431AG-13 | 功能描述:基准电压& 基准电流 Intrf Shunt Ref Bi 200mA 36V 2.495V 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 |
| AP431AG-7 | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:ADJUSTABLE PRECISION SHUNT REGULATOR |
| AP431AG-A | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:ADJUSTABLE PRECISION SHUNT REGULATOR |
| AP431AG-B | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:ADJUSTABLE PRECISION SHUNT REGULATOR |
| AP431AL | 制造商:ANACHIP 制造商全称:Anachip Corp 功能描述:Adjustable Precision Shunt Regulator |
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