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AMS421AM1 数据表(PDF) 3 Page - Advanced Monolithic Systems

部件名 AMS421AM1
功能描述  0.5V SHUNT REGULATOR
PDF  7 Pages
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制造商  ADMOS [Advanced Monolithic Systems]
网页  http://www.advanced-monolithic.com
标志 ADMOS - Advanced Monolithic Systems

AMS421AM1 数据表(HTML) 3 Page - Advanced Monolithic Systems

  AMS421AM1 Datasheet HTML 1Page - Advanced Monolithic Systems AMS421AM1 Datasheet HTML 2Page - Advanced Monolithic Systems AMS421AM1 Datasheet HTML 3Page - Advanced Monolithic Systems AMS421AM1 Datasheet HTML 4Page - Advanced Monolithic Systems AMS421AM1 Datasheet HTML 5Page - Advanced Monolithic Systems AMS421AM1 Datasheet HTML 6Page - Advanced Monolithic Systems AMS421AM1 Datasheet HTML 7Page - Advanced Monolithic Systems  
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Advanced Monolithic Systems, Inc.
www.advanced-monolithic.com
Phone (925) 443-0722 Fax (925) 443-0723
AMS421
TYPICAL APPLICATIONS
LOW NOISE PRECISSION 1.000V REFERENCE
Low cost LDO using an External PNP
Set the VOUT according to the following equation:
Maximum output current is (PNP Hfe)10mA. The transistor current rating and package depends of the application dropout.
The power dissipation for the PNP transistor is Iout (Vin-Vout). The package type should be selected according to the Power
dissipation.
2
+
-
0.5V
2.5V ≤ VCC ≤ 15V
0.1µ
1
R3
Q1
5
4
0.47µF
R1
R2
Co
VO
GND
R1
I
R2
R1
1
V
V
REF
REF
OUT
+
⎟
⎠
⎞
⎜
⎝
⎛
+
=
1.5V ≤ VCC ≤ 15V
1.5V to 15V
0.1µF
1
10K
VO
1.000V
100K
0.47µF
100K
500 pF
2
Ref
4
5
+
-
0.5V



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