APL1431 Anpec Electronics Corporation, APL1431 Datasheet

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APL1431

Manufacturer Part Number
APL1431
Description
Adjustable Precision Shunt Regulator
Manufacturer
Anpec Electronics Corporation
Datasheet

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APL1431
Features
Applications
Symbol
Functional Diagram
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
Rev. A.3 - May., 2003
Precise Reference Voltage to 2.500V
Guaranteed 0.5% or 1% Reference Voltage
Tolerance
Sink Current Capability , 1mA to 100mA
Quick Turn-on
Adjustable Output Voltage , V
Low Operational Cathode Current , 250µA
Typical
0.1 Typical Output Impedance
Linear Regulators
Adjustable Power Supply
Switching Power Supply
SOT-23 , SOT-89 and TO-92 Packages
REF
ANPEC Electronics Corp.
Anode
V
ref
C athode
REF
Anode
+
_
Cathode
O
= V
REF
to 20V
1
Adjustable Precision Shunt Regulator
General Description
The APL1431 is a 3-terminal adjustable voltage ref-
erence with specified thermal stability over applicable
commercial temperature ranges. Output voltage may
be set to any value between V
two external resistors (see Figure 2). When used
with an photocoupler, the APL1431 is an ideal volt-
age reference in isolated feedback circuits for 2.5V
to 12V switching-mode power supplies. This device
has a typical output impedance of 0.1 . Active out-
put circuitry provides a very sharp turn-on
characteristic, making the APL1431 excellent replace-
ments for zener diodes in many applications, includ-
ing on-board regulation and adjustable power
supplies.
SOT-23 (Top View)
SOT-89 (Top View)
TO-92 (Top View)
CATHODE
CATHODE
1
1
ANODE
3
2
1
2
3
REF
ANODE
2
CATHO DE
REF
ANOD E
ref
REF
3
(2.5 V) and 20 V with
www.anpec.com.tw

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APL1431 Summary of contents

Page 1

... Output voltage may be set to any value between V two external resistors (see Figure 2). When used with an photocoupler, the APL1431 is an ideal volt- age reference in isolated feedback circuits for 2.5V to 12V switching-mode power supplies. This device = V to 20V has a typical output impedance of 0 ...

Page 2

... tic & Parameter SOT-23 SOT-89 TO-92 APL1431XXC APL1431XXI APL1431XXC APL1431XXI (Soldering, 10sec 25°C ( unless otherwise noted) A Test Conditions APL431A 2.487 REF ...

Page 3

... Figure 3. Test Circuit for REF Application schematic REF 1 R should provide cathode current large than b 1mA to maintain APL431 work properly. 3 APL1431 Min. Typ. Max. 1 0.25 0.5 0.1 1 0.1 0.4 *1 100 K(off) K(off) 5-Volt Precision Regulator ...

Page 4

... APL1431 Typical Characteristics Reference Current vs.Temperature 125 100 75 50 -40 - Temperature - C Cathode Current vs. Cathode Voltage 100 50 0 -50 -100 - Cathode Voltage -V Copyright ANPEC Electronics Corp. Rev. A.3 - May., 2003 Cathode Current vs. Cathode Voltage 800 600 400 200 0 -200 60 80 100 -1 Reference Voltage vs. Temperature 2 ...

Page 5

... APL1431 Typical Characteristics (Cont.) Small-Signal Voltage Amplification vs Frequency Frequency - kHz Off-State Cathode Current vsTemperature 0 20V REF 0.4 0.3 0.2 0.1 0 -40 - Temperature ( C) Copyright ANPEC Electronics Corp. Rev. A.3 - May., 2003 100 1000 -0.25 -0.5 -0.75 -1.25 -1.5 -1. 100 5 Pulse Response 6 Input 5 4 output ...

Page 6

... APL1431 Typical Characteristics (Cont.) Off-State Cathode Current vs Cathode Voltage 2500 V =0 REF 2000 1500 1000 500 0 -500 - Cathode Voltage (V) Figure 9 Stability Boundary Conditions 100 REF =3. 0.001 0.01 Load Capacitance - F Figure 11 Copyright ANPEC Electronics Corp. ...

Page 7

... APL1431 Packaging Information SOT- Dim M in Copyright ANPEC Electronics Corp. Rev. A.3 - May., 2003 illim ax ...

Page 8

... APL1431 Packaging Information SOT- in. A 1. 0.35 C 0. 2.29 H 3.75 L 0.80 Copyright ANPEC Electronics Corp. Rev. A.3 - May., 2003 illim eters M ax. 1.60 0.56 0.48 0.44 4.60 1. 2.60 4.25 1. Inches M in. M ax. 0.055 0.063 0.016 0.022 0.014 ...

Page 9

... APL1431 Packaging Information TO- SEATING PLANE Copyright ANPEC Electronics Corp. ...

Page 10

... APL1431 Physical Specifications Terminal Material Solder-Plated Copper (Solder Material : 90/10 or 63/37 SnPb) Lead Solderability Meets EIA Specification RSI86-91, ANSI/J-STD-002 Category 3. Reflow Condition (IR/Convection or VPR Reflow) Reference JEDEC Standard J-STD-020A APRIL 1999 Pre-heat temperature Classification Reflow Profiles Average ramp-up rate(183 C to Peak) Preheat temperature 125 ± Temperature maintained above 183 C Time within actual peak temperature 10 – ...

Page 11

... APL1431 R e lia b ilit ite ...

Page 12

... APL1431 Carrier Tape & Reel Dimensions Application 3.18~12 4.0±0 TO-92 27.0 MAX 20.0 MAX 11.0 MAX T2 W 0.36~0.68 17.5~19 Cover Tape Dimensions Application Carrier Width SOT- 23 SOT- 89 TO-92 Copyright ANPEC Electronics Corp. Rev. A.3 - May., 2003 H2A F1F2 F1,F2 2.5+0.2 0.36~0.53 9.0 MAX -0 2.5 MIN 12.7± ...

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