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PDF 78R08 Data sheet ( Hoja de datos )
| Número de pieza | 78R08 | |
| Descripción | KA78R08 | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 78R08 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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KA78R08
Low Dropout Voltage Regulator
www.fairchildsemi.com
Features
• 1A / 8V Output low dropout voltage regulator
• TO220 Full-Mold package (4Pin)
• Overcurrent protection, Thermal shutdown
• Overvoltage protection, Short-Circuit protection
www.DataSheet4•U.cWomith output disable function
Description
The KA78R08 is a low-dropout voltage regulator suitable
for various electronic equipments. It provides constant volt-
age power source with TO-220 4 lead full mold package.
Dropout voltage of KA78R08 is below 0.5V in full rated
current(1A). This regulator has various function such as
peak current protection, thermal shut down, overvoltage pro-
tection and output disable function.
TO-220F-4L
Internal Block Diagram
Vin 1
THERMAL SHUTDOWN
BANDGAP REFERENCE
HIGH / LOW
Vdis 4
-
+
OUTPUT
ON / OFF
1.4V
1
1.Vin 2. V O 3. GND 4. Vdis
OVERVOLTAGE
PROTECTION
-
+
SOA PROTECTION
Q1
R1
SHSOHROTR-TCCIIRRCCUIITT
PROTECTION
R2
2 Vo
©2001 Fairchild Semiconductor Corporation
3
GND
Rev. 1.0.1
1 page  
Typical Application
Vin
1
Vo
2
www.DataSheet4U.com
4
Vdis
3
GND
Disable Signal
Figure 1.Application Circuit
• Ci is required if regulator is located an appreciable distance from power supply filter.
• Co improves stability and transient response.(Co > 47µF)
KA78R08
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet 78R08.PDF ] | |
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