参数资料
型号: AP431ASRG-7
厂商: Diodes Inc
文件页数: 9/17页
文件大小: 0K
描述: IC VREF SHUNT PREC ADJ SOT23R
产品变化通告: Copper Bond Wire Change 13/Jan/2012
标准包装: 1
基准类型: 旁路,可调节,精度
输出电压: 2.495 V ~ 36 V
容差: ±0.5%
温度系数: 30ppm/°C
输入电压: 高达 36V
通道数: 1
电流 - 阴极: 500µA
电流 - 输出: 200mA
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: TO-236-3,SC-59,SOT-23-3
供应商设备封装: SOT23R
包装: 标准包装
其它名称: AP431ASRG-7DIDKR
AP431/AP431A
Application Examples
V IN
V IN
R CL
I OUT
V IN
R1A
R1B
R
R2A
R2B
OFF
N
+
)
( V
-V
I OUT REF CL
LED on when Low Limit < V IN < High Limit
Low Limit ? V REF (1 + R1B/R2B)
High Limit ? V REF (1 + R1A/R2A)
Fig. 4 Voltage Monitor
V IN
Delay = RC x ln
IN REF
Fig 5. Delay Timer
= V /R
Fig 6. Current Limiter or Current Source
V IN
I OUT
V IN
V OUT
V IN
V OUT
PULSE
R
R
1
1
I OUT REF S
R S
=V /R
Fig. 7 Constant-Current Sink
V IN
R1A
R1B
R
2
V OUT = (1 + R1/R2) x V REF
Fig. 8 Higher-Current Shunt Regulator
Output ON when
R
2
Limit ? (1 + R1/R2) x V REF
Fig. 9 Crow Bar
+
Low Limit < V IN < High Limit
R2A
R2B
V BE
Low Limit ? V REF (1 + R1B/R2B) + V BE
High Limit ? V REF (1 + R1A/R2A)
Fig. 10 Over-Voltage/ Under-Voltage Protection Circuit
Note:
12. Online application note, “Design Consideration with AP431 when used as a Comparator”
AP431/AP431A
Document number: DS31002 Rev. 21 - 2
9 of 17
June 2013
? Diodes Incorporated
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AP431ASRG-A 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:ADJUSTABLE PRECISION SHUNT REGULATOR
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