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參數(shù)資料
| 型號： | APL431LBYI-TBL |
| 廠商： | ANPEC ELECTRONICS CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Low Voltage Adjustable Precision Shunt Regulator |
| 中文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, UUC |
| 封裝： | ROHS COMPLIANT PACKAGE |
| 文件頁數(shù)： | 1/15頁 |
| 文件大小： | 222K |
| 代理商： | APL431LBYI-TBL |
Copyright
ANPEC Electronics Corp.
Rev. B.8 - Mar., 2005
APL431L
www.anpec.com.tw
1
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Low Voltage Adjustable Precision Shunt Regulator
Features
General Description
Applications
The APL431L is a 3-terminal low voltage adjustable
precision reference with specified thermal stability
over applicable commercial temperature ranges. Out-
put voltage may be set to any value between V
(1.
24 V) and 20 V with two external resistors (see Fig-
ure 2). When used with an photocoupler, the
APL431L is an ideal voltage reference in isolated feed-
back circuits for 3V to 12V switching-mode power
supplies. This device has a typical output imped-
ance of 0.1
. Active output circuitry provides a very
sharp turn-on characteristic,
making the APL431L ex-
cellent replacements for zener diodes in many
applications, including on-board regulation and ad-
justable power supplies.
Precise Reference Voltage to 1.24V
Guaranteed 0.5% or 1% Reference Voltage
Tolerance
Sink Current Capability, 80uA to 100mA
Quick Turn-on
Adjustable Output Voltage, V
O
= V
REF
to 20V
Low Operational Cathode Current, 80μA
Typical
0.1
Typical Output Impedance
SOT-23-3, SOT-23-5, TO-92 and SOT-89
Packages
Lead Free Available (RoHS Compliant)
Linear Regulators
Adjustable Power Supply
Switching Power Supply
Symbol
Functional Diagram
V
ref
+
_
Cathode
REF
Anode
SOT-23-3 (Top View)
REF
ANODE
CATHODE
1
2
3
SOT-89 (Top View)
REF
ANODE CATHODE
1
2
3
REF
ANODE
CATHODE
3
2
1
TO-92 (Top View)
Cathode
Anode
REF
REF
NC
CATHODE
NC
ANODE
1
2
3
4
5
SOT-23-5 (Top View)
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