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دیتاشیت - ANPEC - Adjustable Precision Shunt Regulator

شماره قطعه APL431
شرح مفصل Adjustable Precision Shunt Regulator
تولید کننده ANPEC 
آرم ANPEC 


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APL431 شرح
APL431
Adjustable Precision Shunt Regulator
Features
General Description
Precise Reference Voltage to 2.500V
Guaranteed 0.5%, 1% or 2% Reference Voltage
Tolerance
Sink Current Capability, 1mA to 100mA
Quick Turn-On
Adjustable Output Voltage, V = V to 20V
O REF
Low Operational Cathode Current, 250µA
Typical
0.1Typical Output Impedance
SOT-23-3, SOT-23-5, SOT-89, SOP-8, and TO-92
Packages
Lead Free and Green Devices Available
(RoHS Compliant)
Applications
Linear Regulators
Adjustable Power Supply
Switching Power Supply
The APL431 is a 3-terminal adjustable voltage reference
with specified thermal stability over applicable commer-
cial temperature ranges. Output voltage may be set to any
value between VREF (2.5 V) and 20 V with two external
resistors (See Figure 2). When used with an photocoupler,
the APL431 is an ideal voltage reference in isolated feed-
back circuits for 2.5V to 12V switching-mode power
supplies. This device has a typical output impedance of
0.1. Active output circuitry provides a very sharp turn-on
characteristic, making the APL431 excellent replacements
for zener diodes in many applications, including on-board
regulation and adjustable power supplies.
Pin Configuration
ANODE
3
12
REF CATHODE
NC NC
54
123
REF ANODE CATHODE
Symbol
SOT-23-3 (Top View) SOT-23-5 (Top View)
REF
Anode
Cathode
Functional Diagram
Cathode
123
REF ANODE CATHODE
SOT-89 (Top View)
CATHODE
ANODE
ANODE
NC
1
2
3
4
8 REF
7 ANODE
6 ANODE
5 NC
SOP-8 (Top View)
REF
Vref
3 CATHODE
2 ANODE
1 REF
Anode
TO-92 (Top View)
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.
Copyright © ANPEC Electronics Corp.
Rev. C.7 - Mar., 2009
1
www.anpec.com.tw

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