LP2951CD-3.0 ON Semiconductor, LP2951CD-3.0 Datasheet - Page 11
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LP2951CD-3.0
Manufacturer Part Number
LP2951CD-3.0
Description
IC REG LDO 100MA 3V 8-SOIC
Manufacturer
ON Semiconductor
Datasheet
1.LP2951ACDR2G.pdf
(23 pages)
Specifications of LP2951CD-3.0
Regulator Topology
Positive Fixed
Voltage - Output
3V
Voltage - Input
Up to 30V
Voltage - Dropout (typical)
0.35V @ 100mA
Number Of Regulators
1
Current - Output
100mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Limit (min)
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LP2951CD-3.0R2G
Manufacturer:
ON/安森美
Quantity:
20 000
2N3906
Unregulated Input
6.0 to 10 Vdc
GND
0.1 mF
NC
Figure 23. Latch Off When Error Flag Occurs
Error flag occurs when V
low to maintain V
duced by excessive load current.
Figure 21. Lithium Ion Battery Cell Charger
Normally
Closed
Reset
5
3
Error
SD
LP2951CN
470 k
GND FB
470 k
4
V
in
8
5
3
V
SNS
V
Error
SD
O
out
LP2951CN
out
7
T
GND FB
, or if V
+V
4
2
6
1
V
in
8
in
NC
NC
in
V
SNS
V
O
is too
out
out
7
T
is re-
1N4001
1
2
6
330 pF
2.2 mF
NC
NC
4.2 V ± 0.025 V
50 k
R1
R2
2.0 M
1.0%
806 k
1.0%
TYPICAL APPLICATIONS
http://onsemi.com
Lithium Ion
Rechargeable
Cell
1.0 mF
V
out
11
Shutdown
+V
Output
in
Figure 24. 5.0 V Regulator with 2.5 V Sleep Function
Error
Input
47 k
5
3
*Sleep
Shutdown
Input
Error
SD
Output
LP2951CN
GND
Error
Input
Figure 22. Low Drift Current Sink
4
V
in
8
I
L
FB
V
SNS
5
3
V
O
out
+V = 2.0 to 30 V
7
Error
SD
T
LP2951CN
CMOS
Gate
GND FB
2
6
1
Load
4
V
NC
NC
in
8
V
SNS
V
O
out
7
2N3906
470 k
T
R
I
L
1
2
6
= 1.23/R
200 k
100 k
100 k
1.0 mF
100 pF
0.1 mF
V
3.3 mF
out