APL431 Anpec Electronics Corporation, APL431 Datasheet

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APL431

Manufacturer Part Number
APL431
Description
Adjustable Precision Shunt Regulator
Manufacturer
Anpec Electronics Corporation
Datasheet

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APL431
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. C.1 - Jun., 2003
Precise Reference Voltage to 2.500V
Guaranteed 0.5%, 1% or 2% Reference
Sink Current Capability, 1mA to 100mA
Adjustable Output Voltage, V
Low Operational Cathode Current, 250µA
Quick Turn-on
SOT-23, SOT-23-5, SOT-89, SO-8, TO-92
Typical
0.1
Linear Regulators
Adjustable Power Supply
Switching Power Supply
Voltage Tolerance
and TO-92S Packages
Typical Output Impedance
ANPEC Electronics Corp.
R EF
Anode
V
ref
C athode
Anode
+
_
REF
O
Cathode
= V
ref
to 20V
1
Adjustable Precision Shunt Regulator
General Description
The APL431 is a 3-terminal adjustable voltage refer-
ence 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 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 0.1 . Active output cir-
cuitry provides a very sharp turn-on characteristic,
making the APL431 excellent replacements for ze-
ner diodes in many applications, including on-board
regulation and adjustable power supplies.
SOT-23 (Top View)
SOT-89 (Top View)
TO-92 (Top View)
REF
1
REF
1
ANODE CATHODE
2
3
CATHODE
3
2
1
ANODE
2
CATHODE
ANODE
REF
3
CATHODE
ANODE
ANODE
ref
SOT-23-5 (Top View)
SO-8 (Top View)
TO-92S (Top View)
(2.5 V) and 20 V with
NC
R EF AN O D E
www.anpec.com.tw
N C
1
5
1
2
3
4
2
3
2
1
N C
8
7
6
5
4
CATHODE
ANODE
C ATH O D E
REF
3
NC
REF
ANODE
ANODE

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APL431 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 APL431 is an ideal voltage reference in isolated feedback circuits for 2.5V to 12V switching-mode power supplies. This device has 20V typical output impedance of 0 ...

Page 2

... Parameter SOT-23 SOT-23-5 SOT-89 TO-92 SO-8 APL431XXC APL431XXI APL431XXC APL431XXI (Soldering, 10sec) s Original Device Lead Free Device & ...

Page 3

... =open - REF * 20V REF REF *1 I =1mA to 100mA, f 1kHz 50mV KA REF 3 APL431 Unit Typ. Max. 2.500 2.513 2.500 2.525 V 2.500 2.550 -1.5 -3 mV/V -1.2 -2 0.25 0 0.1 0.4 100 mA www.anpec.com.tw ...

Page 4

... REF (1 REF 1 Application schematic 5-Volt Precision Regulator should provide cathode current large than b 1mA to maintain APL431 work properly. Copyright ANPEC Electronics Corp. Rev. C.1 - Jun., 2003 Figure 3. Test Circuit for REF ...

Page 5

... APL431 Typical Characteristics Reference Input Current vs. Temperature 2 1.5 1 0.5 0 -40 - Temperature (°C) Cathode Current vs. Cathode Voltage 800 600 400 200 0 -200 - Cathode Voltage (V) Copyright ANPEC Electronics Corp. Rev. C.1 - Jun., 2003 Cathode Current vs. Cathode Voltage ...

Page 6

... APL431 Typical Characteristics (Cont.) Small-Signal Voltage Amplification vs. Frequency Frequency (kHz) Off-State Cathode Current vs. Temperature =20V REF Temperature (°C) Copyright ANPEC Electronics Corp. ...

Page 7

... APL431 Typical Characteristics (Cont.) Off State Cathode Current vs. Cathode Voltage REF Cathode Voltage (V) Stability Boundary Conditions 100 REF =3. ...

Page 8

... APL431 Packaging Information SOT- Dim M in Copyright ANPEC Electronics Corp. Rev. C.1 - Jun., 2003 illim ax ...

Page 9

... APL431 Packaging Information SOT-23 Dim Min . Copyright ANPEC Electronics Corp. Rev. C.1 - Jun., 2003 imet ...

Page 10

... APL431 Packaging Information SOT- in. A 1. 0.35 C 0. 2.29 H 3.75 L 0.80 Copyright ANPEC Electronics Corp. Rev. C.1 - Jun., 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 11

... APL431 Packaging Information TO- SEATING PLANE Copyright ANPEC Electronics Corp. ...

Page 12

... APL431 Packaging Information SO 0.004max. Dim Min Copyright ANPEC Electronics Corp. Rev. C.1 - Jun., 2003 Max . 27B ...

Page 13

... APL431 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 14

... APL431 Reliability test program Test item SOLDERABILITY MIL-STD-883D-2003 HOLT MIL-STD-883D-1005.7 PCT JESD-22-B, A102 TST MIL-STD-883D-1011.9 ESD MIL-STD-883D-3015.7 Latch-Up JESD 78 Carrier Tape & Reel Dimensions Application A B 330 SOP- 8 5.5 1 1.55 +0.1 1.55+ 0.25 4.0 Application A B 178 SOT-23 3.5 0.05 1.5 +0.1 Copyright ANPEC Electronics Corp. ...

Page 15

... APL431 A B Application 178 SOT-23-5 3.5 0.05 1.5 0.1 Application A B 178 SOT-89 5.5 0.05 1.5 0.1 Carrier Tape & Reel Dimensions H2A F1F2 Application 3.18~12 90± 7.8 4.0±0.2 H2 H2A TO-92 0.5 MAX 0.5 MAX 27.0 MAX 20.0 MAX 18.5±0.5 11.0 MAX P2 T 50.8±0.5 0.55 MAX 1.42 MAX 0.36~0.68 Copyright ANPEC Electronics Corp ...

Page 16

... APL431 Cover Tape Dimensions Application Carrier Width SOP- 8 SOT- 23 SOT- 23-5 SOT- 89 TO-92 Customer Service Anpec Electronics Corp. Head Office : 5F, No. 2 Li-Hsin Road, SBIP, Hsin-Chu, Taiwan, R.O.C. Tel : 886-3-5642000 Fax : 886-3-5642050 Taipei Branch : 7F, No. 137, Lane 235, Pac Chiao Rd., Hsin Tien City, Taipei Hsien, Taiwan ...

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