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參數資料
| 型號： | SE431 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 穩壓器 |
| 英文描述： | ADJUSTABLE PRECISION SHUNT REGULATOR |
| 中文描述： | 可調節精密并聯穩壓器 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 215K |
| 代理商： | SE431 |
All contents are subject to change without prior notice.
Seaward Electronics, Inc., 2005. www.seawardinc.com Page 1
ELECTRONICS
SEAWARD
Adjustable Precision
Shunt Regulator
SE431
Description
The SE431 is a low voltage three terminal
adjustable shunt regulator with a guaranteed thermal
stability over applicable temperature ranges. The output
voltage can be set to any value between V
REF
(approximately 2.5 V) to 18V with two external resistors.
This device has a typical output impedance of 0.2
.
Active output circuitry provides a very sharp turn on
characteristic, making this device excellent replacement
for Zener diodes in many applications.
The SE431 is characterized for operation from 0
o
C
to 105
o
C, and five package options (SOT-23-3, SOT-23-5,
SOP-8, TO-92 and SOT-89) allow the designer the
opportunity to select the proper package for their
applications.
Features
Low voltage operation (2.5V)
Adjustable output voltage V
0
= V
REF
to 18V
Wide operating current range 120
μ
A to 100mA
Low dynamic output impedance 0.2
(Typ.).
Trimmed bandgap design up to + 0.5%.
ESD rating is 5.5KV(Per MIL-STD-883D).
Available in Lead Free Packages.
Application
Linear Regulators
Adjustable Supplies
Switching Power Supplies
Battery Operated Computers
Instrumentation
Computer Disk Drives
Block Diagram
+
-
Vref
Ref
Cathode
Anode
Symbol Diagram
Cathode
Ref
Anode
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