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AP431AWA 参数 Datasheet PDF下载

AP431AWA图片预览
型号: AP431AWA
PDF下载: 下载PDF文件 查看货源
内容描述: 可调式精密并联稳压器 [Adjustable Precision Shunt Regulator]
分类和应用: 稳压器
文件页数/大小: 17 页 / 323 K
品牌: ANACHIP [ ANACHIP CORP ]
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AP431/AP431A
Adjustable Precision Shunt Regulator
Features
Description
The AP431/AP431A are 3-terminal adjustable
precision shunt regulators with guaranteed
temperature stability over the applicable extended
commercial temperature range. The output voltage
may be set at any level greater than 2.495V(V
REF
)
up to 36V merely by selecting two external resistors
that act as a voltage divider network. These devices
have a typical output impedance of 0.2Ω. Active
output circuitry provides very sharp turn-on
characteristics, making these devices excellent
improved replacements for Zener diodes in many
applications.
The precise (+/-) 1% Reference voltage tolerance of
the AP431/431A make it possible in many
applications to avoid the use of a variable resistor,
consequently saving cost and eliminating drift and
reliability problems associated with it.
Precision reference voltage
AP431 : 2.495V
±
1%
AP431A : 2.495V
±
0.5%
Sink current capability: 200mA
Minimum cathode current for regulation: 300μA
Equivalent full-range temp coefficient: 30 ppm/
o
C
Fast turn-on response
Low dynamic output impedance: 0.2Ω
Programmable output voltage to 36v
Low output noise.
Packages: TO92, SOT89, SOT23, SOT25 and
SOP
Ordering Information
A P 4 3 1 X X X X X
Operating Temp. Range
Blank : -20
o
C~85
o
C
I : -40
o
C~85
o
C
Reference Voltage
Tolerance:
Blank : +/- 1%
A
: +/- 0.5%
Package
Lead Free
Packing
Blank : Normal
Blank : SOP-8L
Blank : Tube or bulk
Y
: SOT89-3L L : Lead Free Package A
: Taping
V
: TO92-3L
W
: SOT23-3L
R
: SOT23-3L
Q
: SOT25
Typical Application Circuit
V
IN
V
OUT
+
C
in
AP431
R1
+
C
out
R2
V
OUT
= (1+R1/R2)V
REF
Precision Regulator
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev.1.0 May.7, 2004
1/17