RC2951 データシートの表示（PDF） - Fairchild Semiconductor
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RC2951 Datasheet PDF : 11 Pages
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PRODUCT SPECIFICATION
Typical Applications
Unregulated
Input
1µF
10kΩ 0.01µF
1MΩ
6 VTAP
8
IN
2
SENSE
7 FB
RC2951
OUT 1
GND
4 0.002µF
Supertex
VP12C
Output
5V±1%@
+
0 to 1A
220µF
2kΩ
IQഡ400µA
Figure 3. 1A Regulator with 1.2V Dropout
RC2951
Unregulated
Input
8
IN
1
OUT
RC2951
330Ω
27kΩ
6
VTAP
FB
7
2
SENSE
GND
4
+
4.7µF
2N5432
(2)
5V
Output
Load
50mA to
300mA
Figure 4. 300 mA Regulator with 0.75 Dropout
+V = 2 30V
IL
Load
IL=
1.23
R
+VIN
8
Error
Output
5
+VIN
ERROR VOUT
1 *VOUT≈VIN
RC2951
**Shutdown 3
Input
SD
GND
FB
4
4
*Minimum input-output voltage ranges from
40 mV to 400 mV, depending on load current.
Current limit is typically 160 mA.
Figure 5. Wide Input Voltage Range
Current Limiter
8
VIN
1
VOUT
RC2951
Shutdown
Input
3
SD
GND
FB
4
7
R
+
1% 1 µF
0.1µF
Figure 6. Low Drift Current Source
2950-12
REV. 1.0.0 2/8/01
7
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