參數(shù)資料
型號: NCP1508MNR2G
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: Up to 500 mA, 1 MHz, High Efficiency Synchronous Step−Down DC−DC Converter in DFN Package
中文描述: 0.8 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO10
封裝: 3 X 3 MM, LEAD FREE, DFN-10
文件頁數(shù): 6/15頁
文件大?。?/td> 414K
代理商: NCP1508MNR2G
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
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