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APL431BAC-TRL

Description
Voltage Reference, BIPolar,
CategoryPower/power management    The power supply circuit   
File Size392KB,17 Pages
ManufacturerAmerican Power Devices Inc.
Environmental Compliance
Download Datasheet Parametric View All

APL431BAC-TRL Overview

Voltage Reference, BIPolar,

APL431BAC-TRL Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
package instruction, TO-236
Reach Compliance Codecompliant
Number of terminals3
Maximum output current0.1 A
Maximum output voltage20 V
Minimum output voltage2.5 V
Package body materialPLASTIC/EPOXY
Encapsulate equivalent codeTO-236
Certification statusNot Qualified
surface mountYES
technologyBIPOLAR
Base Number Matches1
APL431
Adjustable Precision Shunt Regulator
Features
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
O
= V
REF
to 20V
Low Operational Cathode Current, 250µ A
Typical
0.1Ω Typical Output Impedance
SOT-23, SOT-23-5, SOT-89, SOP-8, TO-92
and TO-92S Packages
Lead Free and Green Devices Available
(RoHS Compliant)
General Description
The APL431 is a 3-terminal adjustable voltage reference
with specified thermal stability over applicable
commercial temperature ranges. Output voltage may
be set to any value between V
REF
(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 feedback circuits for 2.5V to 12V
switching-mode power supplies.This device has a
typical output impedance of 0.1Ω. 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
NC
ANODE
3
Applications
Linear Regulators
Adjustable Power Supply
Switching Power Supply
REF
1
NC
5
2
4
2
3
1
CATHODE
REF ANODE CATHODE
SOT-23 (Top View)
SOT-23-5 (Top View)
Symbol
REF
CATHODE
Anode
Cathode
1
2
3
1
2
3
4
8
7
6
5
REF
ANODE
ANODE
NC
ANODE
ANODE
Functional Diagram
Cathode
NC
REF
ANODE CATHODE
SOT-89 (Top View)
3
CATHODE
SOP-8 (Top View)
3
CATHODE
REF
+
_
2
V
ref
ANODE
2
ANODE
1
REF
1
REF
Anode
TO-92 (Top View)
TO-92S (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.5 - Apr., 2008
1
www.anpec.com.tw
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