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參數資料
| 型號： | NCP1508 |
| 廠商： | ON SEMICONDUCTOR |
| 英文描述： | Up to 500 mA, 1 MHz, High Efficiency Synchronous Step−Down DC−DC Converter in DFN Package |
| 文件頁數： | 6/15頁 |
| 文件大小： | 414K |
| 代理商： | NCP1508 |
NCP1508
http://onsemi.com
6
Figure 4. Efficiency vs. Output Current in
PWM Mode
V
in
(V)
E
70
75
80
85
90
95
100
2.7
3.2
3.7
4.2
4.7
5.2
1.0 V
out
I
out
= 100 mA
Freq = 1 MHz
T
A
= 25
°
C
1.3 V
out
1.5 V
out
1.89 V
out
I
out
(mA)
E
0
100
200
300
400
500
1.89 V
out
1.5 V
out
1.3 V
out
1.0 V
out
V
in
= 3.6 V PWM
T
A
= 25
°
C
Figure 5. Efficiency vs. Input Voltage in
PWM Mode
Figure 6. Efficiency vs. Output Current at
Different Input Voltage
Figure 7. Efficiency vs. Frequency
Figure 8. Efficiency vs. Frequency
Figure 9. Efficiency vs. Output Current in
Pulsed Mode
FREQUENCY (kHz)
E
500
700
900
1100
1300
1500
1.0 V
out
1.3 V
out
1.89 V
out
1.5 V
out
V
in
= 3.6 V
I
out
= 150 mA PWM
T
A
= 25
°
C
80
84
82
86
88
90
94
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100
0.001
I
out
(mA)
E
V
in
= 3.6 V PM
T
A
= 25
°
C
0
10
20
30
40
50
60
70
80
90
100
I
out
(mA)
E
0
100
200
300
400
500
3.6 V
in
2.7 V
in
V
out
= 1.5 V PWM
T
A
= 25
°
C
0
20
40
60
80
100
5.2 V
in
92
FREQUENCY (kHz)
E
500
700
900
1100
1300
1500
1.0 V
out
1.3 V
out
1.89 V
out
1.5 V
out
V
in
= 3.6 V
I
out
= 300 mA PWM
T
A
= 25
°
C
80
84
82
86
88
90
94
92
1.0 V
out
1.3 V
out
1.5 V
out
1.89 V
out
10
30
50
70
90
相關PDF資料 |
PDF描述 |
|---|---|
| NCP1508MNR2 | Up to 500 mA, 1 MHz, High Efficiency Synchronous Step−Down DC−DC Converter in DFN Package |
| NCP1508MNR2G | Up to 500 mA, 1 MHz, High Efficiency Synchronous Step−Down DC−DC Converter in DFN Package |
| NCP1511 | Up to 500 mA, High Efficiency Synchronous Step-Down DC-DC Converter |
| NCP1511FCT1 | Up to 500 mA, High Efficiency Synchronous Step-Down DC-DC Converter |
| NCP1511FCT1G | Up to 500 mA, High Efficiency Synchronous Step-Down DC-DC Converter |
相關代理商/技術參數 |
參數描述 |
|---|---|
| NCP1508MNR2 | 功能描述:直流/直流開關轉換器 High Efficiency Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1508MNR2G | 功能描述:直流/直流開關轉換器 High Efficiency Buck Synchronous DC/DC RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1509MNR2 | 功能描述:直流/直流開關轉換器 High Efficiency Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1509MNR2G | 功能描述:直流/直流開關轉換器 High Efficiency Buck Synchronous DC/DC RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| NCP1510AFCT1 | 功能描述:直流/直流開關轉換器 High Efficiency Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
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