參數(shù)資料
型號: NCP551SN50T1
廠商: ON SEMICONDUCTOR
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 150 mA CMOS Low Iq Low-Dropout Voltage Regulator
中文描述: 5 V FIXED POSITIVE LDO REGULATOR, 0.15 V DROPOUT, PDSO5
封裝: SC-59, SOT-23, TSOP-5
文件頁數(shù): 7/12頁
文件大?。?/td> 89K
代理商: NCP551SN50T1
NCP551, NCV551
http://onsemi.com
7
Figure 14. Load Transient Response OFF
TIME (ms)
Figure 15. Load Transient Response ON
TIME (ms)
150
500
500
0
150
500
1000
0
0
1000
0
3
2
1
4
5
6
7
8
9
0
3
2
1
4
5
6
7
8
9
O
D
I
o
,
C
O
D
I
o
,
C
V
out
= 3.3 V
C
out
= 10 mF
V
out
= 3.3 V
C
out
= 10 mF
I
out
= 3.0 mA 150 mA
I
out
= 3.0 mA 150 mA
0
1
600
2
400
200
Figure 16. TurnOn Response
3
V
in
= 4.3 V
V
out
= 3.3 V
R
O
= 3.3 k
V
EN
= 2.0 V
TIME ( s)
0
1
3
2
800
2000
1200
1000
1400
V
o
,
V
E
V
0
1600 1800
0
1
600
2
400
200
Figure 17. TurnOn Response
3
V
in
= 3.8 V
V
out
= 2.8 V
R
O
= 2.8 k
V
EN
= 2.0 V
TIME ( s)
0
1
3
2
800
2000
1200
1000
1400
V
o
,
V
E
V
0
1600 1800
C
o
= 1 F
C
o
= 10 F
C
o
= 1 F
C
o
= 10 F
Figure 18. Output Voltage versus Input Voltage
Figure 19. Output Voltage versus Input Voltage
0
2
6
4
2
V
o
,
0
3
V
in
, INPUT VOLTAGE (VOLTS)
2.5
8
12
10
0.5
1.5
1
V
in
= 0 V to 12 V
V
out(nom)
= 2.8 V
I
out
= 10 mA
C
in
= 1 F
C
out
= 1 F
V
EN
= V
in
0
2
6
4
2
V
o
,
0
3
V
in
, INPUT VOLTAGE (VOLTS)
2.5
8
12
10
0.5
1.5
1
V
in
= 0 V to 12 V
V
out
= 3.3 V
I
out
= 10 mA
C
in
= 1 F
C
out
= 1 F
V
EN
= V
in
3.5
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