AP432 Advanced Power Electronics Corp., AP432 Datasheet

AP432

Manufacturer Part Number
AP432
Description
Manufacturer
Advanced Power Electronics Corp.
Datasheet

Specifications of AP432

Vref
1.24
Cathode Voltage
20
Continuous Cathode Current
250
Accuracy
0.5%, 1%
Minimum Cathode Current For Regulation Typ.
0.15
Package
SOP8,SOT89,TO92,SOT23,SOT23-5

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Adjustable Precision Shunt Regulator
This datasheet contains new product information. Advanced Power Electronics Corp. reserves the rights to modify the product specification without notice. No liability is assumed as
a result of the use of this product. No rights under any patent accompany the sale of the product.
- Precision reference voltage
- Sink current capability: 200mA.
- Minimum cathode current for regulation: 150µA
- Equivalent full-range temp coefficient: 30 ppm/
- Fast turn-on Response.
- Low dynamic output impedance: 0.2Ω
- Programmable output voltage to 20v
- Low output noise
- Packages: SOT-89, SOT-23, SOT-23-5L, SO-8
- RoHS & Halogen-FreeCompliant
and TO-92
Features
B : 1.24V ± 1%
A : 1.24V ± 0.5%
Ordering Information
Typical Application Circuit
Advanced Power
Electronics Corp.
V
IN
C
in
+
A P 4 3 2 X - X - HF
M
G
N
T
Y
Package
AP432
: SOT-89
: TO-92
: SOT-23
: SO-8
: SOT-23-5L
V
Precision Regulator
OUT
o
C
= (1+R1/R2)V
The AP432 are 3-terminal adjustable precision shunt
regulators with guaranteed stable temperature over
the applicable extended commercial temperature
range. The output voltage may be set at any level
greater than 1.24\/ (V
selecting two external resistors that act as a voltage
divider network. These devices have a typical output
impedance of 0.2Ω. Active output circuitry provides
very sharp turn-on characteristics, making these
devices excellent improved replacements for Zener
diodes in many applications.
AP432 make it possible in many applications to avoid
the use of a variable resistor, consequently saving cost
and eliminating drift and reliability problems associated
with it.
The precise +/- 1% reference voltage tolerance of the
Reference Voltage
General Description
A
B
Tolerance:
REF
: 1.24V(+/-) 0.5%
: 1.24V(+/-)1%
R2
R1
+
Halogen-Free
C
out
V
REF
OUT
) up to 20V merely by
AP432
200905112
1

Related parts for AP432

AP432 Summary of contents

Page 1

... Zener diodes in many applications. The precise +/- 1% reference voltage tolerance of the AP432 make it possible in many applications to avoid the use of a variable resistor, consequently saving cost and eliminating drift and reliability problems associated with it. ...

Page 2

... Advanced Power Electronics Corp. Adjustable Precision Shunt Regulator Block Diagram REF ( REF 1.24V Anode (A) Pin Configuration Order Number Pin Configuration (Top View) AP432 G (SOT-89) AP432 T (TO-92) Cathode 1 AP432M Anode 2 (SO-8) Anode Advanced Power Electronics Corp. www.a-power.com.tw Symbol Order Number 3 Cathode ...

Page 3

... R1 = 10KΩ,R2 = ∞ 10mA αI KA REF Ta = Full range (Fig. (Fig. REF KA(min 20V , (Fig. REF KA(off REF Z Frequency ≤ 1KHz (Fig.1) KA AP432 150 C o Min. Typ. Max. Unit 1.227 1.252 1.24 V 1.233 1.246 3 -1.4 -2.0 mV/V 1 ...

Page 4

... I KA ∆ ≈ ∆ REF V R2 REF ⋅ REF REF R2 Fig2. Test circuit for V >V KA REF AP432 defined as: REF ppm ° Z(OFF) Fig3. Test Circuit for off-state Current ) 4 ...

Page 5

... Stable C A TEST CIRCUIT FOR CURVE 0 -Load Capacitance-µF L TEST CIRCUIT FOR CURVE B, C, AND D and I conditions with C =0.V and KA L BATT AP432 Output I KA 232Ω 15KΩ 8.25KΩ GND 1KΩ Output I KA 50Ω GND 150O I KA ...

Page 6

... R1/R2) ×V OUT REF Fig.8 Higher-Current Shunt Regulator R1A R1B + R2A R2B Low Limit R1B/R2B) +V REF BE High Limit R1A/R2A) REF Fig.10 Over-Voltage / Under-Voltage Protection Circuit AP432 I R OUT OUT REF CL Fig.6 Current Limiter or Current Source OUT PUSE R1 ...

Page 7

... Package Outline : SOT-23-5L Part Marking Information & Packing : SOT-23-5L R2SS ADVANCED POWER ELECTRONICS CORP. SYMBOLS Note 1:Package Body Sizes Exclude Mold Flash Protrusions or Gate Burrs. Note 2:Tolerance ± 0.1000 mm(4mil) Unless Otherwise Spe- cified. Note 3:Coplanarity:0.1000 mm Note 4:Dimension L Is Measured in Gage plane. ...

Page 8

... ADVANCED POWER ELECTRONICS CORP. Package Outline : SOT- Part Marking Information & Packing : SOT-23 Laser Marking R2SS SYMBOLS 1.All Dimension Are In Millimeters. 2.Dimension Does Not Include Mold Protrusions. A2 Part Number : R2 Date Code : SS:2004,2008,2012… SS:2003,2007,2011… ...

Page 9

... ADVANCED POWER ELECTRONICS CORP. Package Outline : SO Part Marking Information & Packing : SO-8 432M YWWSSS SYMBOLS α A 1.All Dimension Are In Millimeters. 2.Dimension Does Not Include Mold Protrusions. Part Number Package Code Date Code (YWWSSS) Y: ...

Page 10

... ADVANCED POWER ELECTRONICS CORP. Package Outline : TO- Part Marking Information & Packing : TO-92 432T YWWSSS E A SEATING PLANE L Part Number Package Code Date Code (YWWSSS) Y:Last Digit Of The Year WW:Week SSS:Sequence If last "S" is numerical letter : Rohs product If last "S" is English letter : HF & Rohs product ...

Page 11

... ADVANCED POWER ELECTRONICS CORP. Package Outline & Packing : SOT- Part Marking Information : SOT-89 432G YWWS Part Number Package Code Date Code (YWWS) Y:Year WW:Week S:Sequence If second letter has underline : HF & Rohs product If second letter has not underline : Rohs product ...

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