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PDF KA78RL00 Data sheet ( Hoja de datos )
| Número de pieza | KA78RL00 | |
| Descripción | Adjustable Micro Power Voltage Regulator | |
| Fabricantes | Fairchild | |
| Logotipo |  |
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www.fairchildsemi.com
KA78RL00
Adjustable Micro Power Voltage Regulator
Features
• Low Quiescent Current
• Low Dropout Voltage
• Low Temperature Coefficient
• Tight Line and Load Regulation
• Guaranteed 100mA Output Current
• Internal Short Current & Thermal Limit
• Error Signals of Output Dropout (8 pin Versions Only)
• External Shut-down ( 8 pin Versions Only)
Description
The KA78RLOO is an adjustable micro power voltage
regulator suitable for use in battery-powered systems. This
regulator has various functions such as alarm which warns of
a low output voltage, often due to falling batteries on the
input, the external shutdown which enables the regulator to
be switched on and off, current and temperature limiting.
8-SOP
1
Internal Block Diagram
OUT(1)
PROGRAM
(2)
C1
FROM
EXTERNAL
INPUT
SHUTDOWN(3)
GROUND(4)
INPUT(8)
+
ERROR
AMPLIFIER
-
+
FEEDBACK(7)
SCP
-+
OFFSE
EERRRROORR
+T
CCOOMMPPAARRAATTOOR
1.25V +
R
REFERENCE
TAP(6)
TO
EXTERNAL
ERROR(5) INPUT
©2001 Fairchild Semiconductor Corporation
Rev. 1.0.0
1 page  
Typical Performance Characteristics (Continued)
TYPICAL PERFORMANCE CHARACTERISTICS (Continued )
Fig. 7 Dropout
Voltage
600
500 IL = 100mA
400
300
200
IL = 100µ A
100
0
-50 -25
0 25 50 75
TEMPERATURE(oC)
100
Figure 7. Dropout Voltage
125
Fig. 8 Dropout
Voltage
500
400
300
200
TJ = 25oC
100
0
0.1 1
10
OUTPUT CURRENT(mA)
Figure 8. Dropout Voltage
100
KA78RL00
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet KA78RL00.PDF ] | |
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