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PDF AX432A Data sheet ( Hoja de datos )
| Número de pieza | AX432A | |
| Descripción | ADJUSTABLE PRECISION SHUNT REGULATOR | |
| Fabricantes | AXElite | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AX432A (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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AX432A
ADJUSTABLE PRECISION SHUNT
REGULATOR
GENERAL DESCRIPTION
The AX432A is a low voltage three terminal adjustable shunt regulator with a
guaranteed thermal stability over applicable temperature ranges. The output voltage can
be set to any value between 1.24V (VREF) to 20V with two external resistors (see
application circuit). The high precise Reference voltage tolerance is ±0.5% by AX432A.
This device has a typical output impedance of 0.2Ω. Active output circuitry provides a very
sharp turn on characteristic, making this device excel lent replacement for Zener diodes in
many applications.
The AX432A is characterized for operation from -20°C to 85°C. The AX432A is
available in a low profile SOT-23-3L package.
FEATURES
- Precision reference voltage 1.24V±0.5%
- Adjustable output voltage is VREF to 20V
- Sink current capability is 150mA
- Low dynamic output impedance is 0.2Ω (typ.)
- Minimum Cathode current for regulation is 0.2mA (typ.)
- 3-pin, SOT-23 Pb-Free package
BLOCK DIAGRAM
REF (R)
+
-
VREF
Anode (A)
1/8
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev 1.1 Dec.05, 2011
1 page  
AX432A
TYPICAL CHARACTERISTICS
(1) Small Signal Voltage Amplification Vs Frequency
60
IKA=10mA
Output
50
TA =25 oC
10KΩ
I KA 220Ω
40 10uF
+
30
20KΩ
-
20 GND
10 TEST CIRCUIT FOR VOLTAGE AMPLIFICATION
0
1K
10K 100K
1M
f-Frequency (Hz)
10M
(2) Reference Impedance VS Frequency
100
IKA=10mA
TA=25oC
1KΩ
Output
10 I KA
50Ω
-
+
1 GND
0.1
1K
10K 100K 1M
f-Frequency (Hz)
TEST CIRCUIT FOR REFERENCE IMPEDANCE
10M
5/8
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev 1.1 Dec.05, 2011
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AX432A.PDF ] | |
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