參數資料
型號: NCP1501DMR2G
廠商: ON SEMICONDUCTOR
元件分類: 穩(wěn)壓器
英文描述: Dual Mode PWM/Linear Buck Converter
中文描述: SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
封裝: LEAD-FREE, MSOP-8
文件頁數: 11/14頁
文件大小: 161K
代理商: NCP1501DMR2G
NCP1501
http://onsemi.com
11
Figure 18. Output Voltage versus
PWM Input Voltage
6
3
2
1
0
V
in
(V)
V
o
2.0
1.8
1.4
0.6
0
Figure 19. Input Voltage versus Output Voltage
5
4
0.2
0.4
1.2
0.8
1.0
1.6
6
3
2
1
0
V
out
(V)
V
i
5
4
1.05 V
out
1.35 V
out
1.57 V
out
1.80 V
out
2.0
1.8
1.4
0.6
0
0.2
0.4
1.2
0.8
1.0
1.6
1.05 V
out
1.35 V
out
1.57 V
out
1.80 V
out
1.8 V
out
1.35
Figure 20. Efficiency versus Output Current
300
250
200
150
100
50
0
I
out
, OUTPUT CURRENT (mA)
E
95
90
85
80
75
70
1.05
1.57
V
CC
= 3.6 V
Freq = 600 kHz
T
A
= 25
°
C
See Figure 9 for Circuit
Figure 21. Efficiency versus Frequency
1000
900
800
700
600
500
FREQUENCY (kHz)
E
91
90
85
84
83
PWM
Figure 22. Input Current versus Output Current
Comparison for PWM and LDO Mode
1000
800
600
400
200
0
I
out
, OUTPUT CURRENT ( A)
I
i
,
1200
1000
800
400
200
0
Figure 23. Efficiency versus Input Voltage
5.2
4.2
3.7
3.2
2.7
V
in
, INPUT VOLTAGE (V)
E
94
90
86
84
82
88
87
86
89
LDO
600
4.7
I
out
= 100 mA
Freq = 600 kHz
T
A
= 25
°
C
V
in
= 3.6 V
V
out
= 1.8 V
PWM Freq = 600 kHz
V
in
= 3.6 V
I
out
= 100 mA
92
1.05 V
out
1.35 V
out
1.57 V
out
1.80 V
out
92
88
1.8 V
out
1.35
1.05
1.57
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