參數(shù)資料
型號: LP2950ACZ-3.0G
廠商: ON SEMICONDUCTOR
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 100 mA, Low Power Low Dropout Voltage Regulator
中文描述: 3 V FIXED POSITIVE LDO REGULATOR, 0.45 V DROPOUT, PBCY3
封裝: LEAD FREE, PLASTIC, TO-92, 3 PIN
文件頁數(shù): 11/24頁
文件大小: 204K
代理商: LP2950ACZ-3.0G
LP2950, LP2951, NCV2951
http://onsemi.com
11
TYPICAL APPLICATIONS
Figure 21. Lithium Ion Battery Cell Charger
1N4001
GND
4.2 V
±
0.025 V
NC
NC
50 k
5
3
Error
SD
GND FB
4
7
6
V
O
T
SNS
2
V
out
V
in
8
1
0.1 F
NC
LP2951CN
2.2
F
330 pF
806 k
1.0%
2.0 M
1.0%
Lithium Ion
Rechargeable
Cell
Unregulated Input
6.0 to 10 Vdc
Figure 22. Low Drift Current Sink
Error
Output
Shutdown
Input
+V = 2.0 to 30 V
1.0
F
R
5
3
Error
SD
GND
FB
4
7
6
V
O
T
SNS
2
V
out
V
in
8
1
0.1 F
Load
I
L
= 1.23/R
I
L
Figure 23. Latch Off When Error Flag Occurs
Reset
+V
in
V
out
1.0 F
NC
NC
R2
R1
470 k
5
3
Error
SD
GND FB
4
7
6
V
O
T
SNS
2
V
out
V
in
8
1
LP2951CN
470 k
Error flag occurs when V
in
is too
low to maintain V
out
, or if V
out
is re-
duced by excessive load current.
Normally
Closed
2N3906
Figure 24. 5.0 V Regulator with 2.5 V Sleep Function
*Sleep
Input
+V
in
V
out
3.3 F
NC
NC
100 k
100 k
470 k
5
3
Error
SD
GND
FB
4
7
6
V
O
T
SNS
2
V
out
V
in
8
1
LP2951CN
200 k
100 pF
2N3906
47 k
CMOS
Gate
Error
Output
Shutdown
Input
LP2951CN
相關(guān)PDF資料
PDF描述
LP2950CN-33 100mA LOW DROPOUT VOLTAGE REGULATOR
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LP2950ACZ5.0 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator
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