Diodes AZ431L Manuale Utente

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AZ431L
Document number: DS36801 Rev. 3 - 2
1 of 18
www.diodes.com
January 2014
© Diodes Incorporated
AZ431L
A Product Line of
Diodes Incorporated
LOW VOLTAGE (1.24V) ADJUSTABLE PRECISION SHUNT REGULATOR
Description
The AZ431L series ICs are low voltage three-terminal adjustable
regulators with guaranteed thermal stability over a full operation
range. These ICs feature sharp turn-on characteristics, low
temperature coefficient and low output impedance, which make them
ideal substitutes for Zener diodes in applications such as switching
power supply, charger, motherboard and other adjustable regulators.
The output voltage can be set to any value between 1.24V and 18V
with two external resistors.
The AZ431L precision reference is offered in two voltage tolerance:
0.5% and 1.0%.
These ICs are available in 4 packages: TO-92 (bulk or ammo
packing), SOT-23, SOT-23-5 and SOT-89.
Features
Wide Programmable Precise Output Voltage from 1.24V to 18V
High Stability under Capacitive Load
Low Temperature Deviation: 3mV Typical
Low Equivalent Full-range Temperature Coefficient: 20PPM/
o
C
Typical
Low Dynamic Output Resistance: 0.05 Typical
High Sink Current Capacity from 0.1mA to 100mA
Low Output Noise
Wide Operating Range of -40 to +125
o
C
Applications
Graphic Card
PC Motherboard
Voltage Adapter
Switching Power Supply
Charger
Pin Assignments
(Top View) (Top View) (Top View)
(TO-92 (Bulk Packing)/ Z Package) (TO-92 (Ammo Packing)/ Z Package) (SOT-23/ N Package)
1
2
3
CATHODE
ANODE
REF
CATHODE
ANODE
REF
1
2
3
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Sommario

Pagina 1 - © Diodes Incorporated

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Pagina 2

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Pagina 3 - PWM Converter with Reference

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Pagina 4

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Pagina 5

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Pagina 6

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Pagina 7 - Performance Characteristics

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Pagina 8 - Dynamic Impedance (

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Pagina 9 - Ordering Information

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Pagina 10

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Pagina 11 - 1.600(0.063)

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Pagina 12

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Pagina 13

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Pagina 14 - Option 1

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Pagina 15

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Pagina 16

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Pagina 17

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Pagina 18 - Diodes Incorporated

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