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Advanced Analogic Technologies

AHK432 Datasheet Preview

AHK432 Datasheet

Adjustable Low Voltage Shunt Regulator

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PowerManagerTM
General Description
The AHK432 is a low voltage adjustable shunt reference
with thermal stability guaranteed over the full industrial
temperature range. This three-terminal regulator has an
output voltage range that extends from VREF (1.24V) to
20V, giving designers outstanding flexibility in the devel-
opment of power supplies and instrumentation. With a
low operating current of 60μA, the AHK432 is well suited
for battery-powered portable electronic applications. It
also has a sharp turn-on characteristic and a dynamic
resistance of only 50mΩ, making it an excellent replace-
ment for zener diodes in low tempco designs.
The AHK432 is available in the Pb-free, surface-mount
3- or 5-pin SOT23, as well as the through hole TO-92.
Three voltage tolerance options are offered in each pack-
age: ±0.5%, ±1%, and ±2%.
PRODUCT DATASHEET
AHK432
Adjustable Low Voltage Shunt Regulator
Features
• Wide Output Voltage Range (1.24V to 20V)
• Operating Current From 60μA to 100mA
• Low Dynamic Output Resistance of 50mΩ
• ±0.5% Trimmed Voltage Reference
• 10mV (Typical) VREF Deviation, From -40°C to +105°C
• Surface Mount 3- or 5-Pin SOT23 or Through-Hole
3-Pin TO-92 Package
Applications
• Adjustable and Programmable Supplies
• Global Voltage Reference for Multiple Power Supplies
• Instrumentation
• Isolated Feedback in Switching Power Supplies
• Linear Regulators (External Reference)
• Medical Electronics (see Endnote, page 10)
• Notebook Computers
Typical Application
IN RL
AHK432
OUT
R1
Adjustable regulator:
R2
OUT = VREF
R1 + R2
R2
432.2009.11.1.4
www.analogictech.com
1




Advanced Analogic Technologies

AHK432 Datasheet Preview

AHK432 Datasheet

Adjustable Low Voltage Shunt Regulator

No Preview Available !

PowerManagerTM
Pin Descriptions
SOT23-3
1
2
3
N/A
Pin
SOT23-5
4
3
5
1, 2
Pin Configuration
SOT23-3
(Top View)
Reference 1
3 Anode
Cathode 2
PRODUCT DATASHEET
AHK432
Adjustable Low Voltage Shunt Regulator
TO-92
1
3
2
N/A
Description
Reference.
Cathode.
Anode.
Not internally connected.
SOT23-5
(Top View)
N/C 1 5 Anode
N/C 2
Cathode 3 4 Reference
TO-92
(Top View)
Reference 1
Anode 2
Cathode 3
2
www.analogictech.com
432.2009.11.1.4


Part Number AHK432
Description Adjustable Low Voltage Shunt Regulator
Maker Advanced Analogic Technologies
Total Page 10 Pages
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