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參數資料
| 型號： | NCP551SN25T1 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 150 mA CMOS Low Iq Low-Dropout Voltage Regulator |
| 中文描述： | 2.5 V FIXED POSITIVE LDO REGULATOR, 0.22 V DROPOUT, PDSO5 |
| 封裝： | SC-59, SOT-23, TSOP-5 |
| 文件頁數： | 7/12頁 |
| 文件大小： | 89K |
| 代理商： | NCP551SN25T1 |
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| NCP551SN25T1G | 功能描述:低壓差穩壓器 - LDO 2.5V 150mA CMOS w/Enable RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| NCP551SN27T1 | 功能描述:低壓差穩壓器 - LDO 2.7V 150mA CMOS RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| NCP551SN27T1G | 功能描述:低壓差穩壓器 - LDO 2.7V 150mA CMOS w/Enable RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| NCP551SN28T1 | 功能描述:低壓差穩壓器 - LDO 2.8V 150mA CMOS RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| NCP551SN28T1G | 功能描述:低壓差穩壓器 - LDO 2.8V 150mA CMOS w/Enable RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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