LP2951ACD-3.3G ON Semiconductor, LP2951ACD-3.3G Datasheet - Page 11
LP2951ACD-3.3G
Manufacturer Part Number
LP2951ACD-3.3G
Description
IC REG LDO 100MA 3.3V 8-SOIC
Manufacturer
ON Semiconductor
Datasheet
1.LP2951ACDR2G.pdf
(23 pages)
Specifications of LP2951ACD-3.3G
Regulator Topology
Positive Fixed
Voltage - Output
3.3V
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)
Number Of Outputs
1
Polarity
Positive
Input Voltage Max
30 V
Output Voltage
3.3 V
Output Type
Fixed
Dropout Voltage (max)
0.08 V @ 100uA
Output Current
0.1 A (Typ)
Line Regulation
0.1 %
Load Regulation
0.1 %
Voltage Regulation Accuracy
0.5 %
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Reference Voltage
1.25 V
Primary Input Voltage
30V
Output Voltage Fixed
3.3V
Dropout Voltage Vdo
350mV
No. Of Pins
8
Operating Temperature Range
-40°C To +125°C
Termination Type
SMD
Rohs Compliant
Yes
Filter Terminals
SMD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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