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PDF ZH431 Data sheet ( Hoja de datos )
| Número de pieza | ZH431 | |
| Descripción | ADJUSTABLE PRECISION ZENER SHUNT REGULATOR | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ZH431 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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ADJUSTABLE PRECISION
ZENER SHUNT REGULATOR
Issue 2 - February 1998
DEVICE DESCRIPTION
The ZH431 is a three terminal adjustable
shunt regulator offering excellent
temperature stability and output current
handling capability up to 30mA. The output
voltage may be set to any chosen voltage
between 2.5 and 36 volts by selection of two
external divider resistors.
The devices can be used as a replacement
for zener diodes in many applications
requiring an improvement in zener
performance.They are also ideal for use in
the feedback circuits of off line SMPUs as
well as many general purpose regulator and
reference applications where initial accuracy
and low temperature coefficient are key
requirements.
Note:
ZH431 is not recommended for new designs.
Refer to ZR431
SCHEMATIC DIAGRAM
ZH431
FEATURES
• Surface mount SO8, SOT223,SOT23
and SOT89 packages
• TO92 package
• 2% and 1% tolerance
• Maximum temperature coefficient 55
ppm/°C
• Temperature compensated for
operation over the full temperature
range
• Programmable output voltage
• 50µA to 30mA current sink capability
• Low output noise
APPLICATIONS
• Shunt regulator
• Series regulator
• Voltage monitor
• Over voltage/ under voltage protection
• Switch mode power supplies
VZ
V ref
G
nd
4-15
1 page  
DC TEST CIRCUITS
Input
IL
ZH431
Fig 1 – Test Circuit for Vz=Vref
Fig 2 – Test Circuit for Vz>Vref
4-19
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet ZH431.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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