參數(shù)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(shù): 6/15頁
文件大?。?/td> 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(guān)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
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NCP1509MNR2G 功能描述:直流/直流開關(guān)轉(zhuǎn)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(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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