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PDF AS431C Data sheet ( Hoja de datos )
| Número de pieza | AS431C | |
| Descripción | Precision Adjustable Shunt Regulator | |
| Fabricantes | Alpha Industries | |
| Logotipo |  |
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ALPHA
SEMICONDUCTOR
Excellence in Analog Power Products
AS431C
Precision Adjustable Shunt Regulator
FEATURES
• Wide Operating Current
1mA to 150mA
• Extended Termperature Range
105°C
• Low Temperature Coeffecient 30 ppm/°C
• Offered in TO-92
• Improved Replacement in Performance for TL431
• Low Cost Solution
APPLICATIONS
Battery Operating Equipments
Adjustable Supplies
Switching Power Supplies
Error Amplifiers
Single Supply Amplifier
Monitors / VCR / TV
Personal Computers
PRODUCT DESCRIPTION
The ALPHA Semiconductor AS431C is a 3-Terminal Adjustable Shunt Voltage Regulator providing a highly accurate bandgap
reference. AS431C acts as an open-loop error amplifier with a 2.5V temperature compensation reference. The AS431C thermal
stability, wide operating current (150mA) and temperature range (105°C) makes it suitable for all variety of applications that are
looking for a low cost solution with high performance.
The output voltage maybe adjusted to any value between VREF and 36V with 2 external resistors. The AS431C is operating in lull
industrial temperature range of 0°C to 105°C. The AS431C is available in TO-92 and SOT-89 packages.
PIN CONFIGURATION
TO-92 (N)
SOT-89 (Ml)
REF CATHODE
ANODE
Bottom View
ALPHA
urmAS431C
I 23
REF ANODE CATHODE
Front View
ORDERING INFORMATION
Part
Number
Temperature
Range
Package
Type
AS431CN
AS431CM1
0°C to 105°C
0°C to 105°C
TO-92
SOT-89
CATHODE (K)
Alpha Semiconductor Inc. 1031 Serpentine Lane. Pleasanton, CA 94566 Tel: (925) 417-1391 Fax: (925) 417-1390
Rev. 11/16/98
• TOEbMDB • • • • L > c ) 5 3 b 5 •
1 page  
TYPICAL PERFORMANCE CURVES
Reference Input Current
-1—i—r
R1 = 101Q
^ = 10 m A
AS431C
Reference Voltage Line Regulation
2o
>
30 60
T a - Ambient Temperature ( °C)
Figure 6
90
Noise Voltage
120
0 3 6 9 12 15 18 21 24 27 30
VKA - Cathode Voltage (V)
Figure 7
Low Frequency Dynamic Output Impedance
-1—i—r
^ = 1 to 100 m A
f< 1kHz
J
i
V£Ems
100 l k 1 0 k
ff - Frequency (Hz)
Figure 8
30 60
T a - Free Air Tempera tare
Figure 9
90
120
Alpha Semiconductor Inc. 1031 Serpentine Lane. Pleasanton, CA 94566 Tel: (925) 417-1391 Fax: (925) 417-1390Rev. 11/16/98
• clD2b4D3 DDOOblb TOO •
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AS431C.PDF ] | |
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