rc2951mt Fairchild Semiconductor, rc2951mt Datasheet - Page 7

• Manufacturer Part Number: rc2951mt
• Description: Adjustable Micropower Voltage Regulator
• Manufacturer: Fairchild Semiconductor

PRODUCT SPECIFICATION
Typical Applications
REV. 1.0.1 4/8/02
Unregulated
Input
Figure 4. 300 mA Regulator with 0.75 Dropout
8
6
IN
V
TAP
FB
Unregulated
RC2951
7
GND
Input
SENSE
4
OUT
1MΩ
Shutdown
Input
Figure 3. 1A Regulator with 1.2V Dropout
1µF
1
2
Figure 6. Low Drift Current Source
4.7µF
6
7
27kΩ
330Ω
V
FB
3
TAP
+
I
L
10kΩ
SD
GND
+V = 2
RC2951
4
GND
RC2951
IN
Load
V
8
4
IN
0.01µF
1%
8
SENSE
R
Load
50mA to
300mA
30V
V
FB
OUT
0.002µF
OUT
I
7
L
=
1 µF
1.23
2N5432
(2)
5V
Output
1
1
2
R
+
2kΩ
+
0.1µF
I
Supertex
VP12C
Q
220µF
**Shutdown
Figure 5. Wide Input Voltage Range
400µA
Input
*Minimum input-output voltage ranges from
40 mV to 400 mV, depending on load current.
Current limit is typically 160 mA.
Error
Output
Output
5V±1%@
0 to 1A
5
3
Current Limiter
SD
ERROR
GND
4
RC2951
+V
+V
IN
IN
8
V
FB
OUT
4
1
*V
OUT
≈V
2950-12
IN
RC2951
7