參數(shù)資料
型號: NCP1508MNR2
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, DFN-10
文件頁數(shù): 8/15頁
文件大?。?/td> 414K
代理商: NCP1508MNR2
NCP1508
http://onsemi.com
8
Figure 16. Output Voltage vs. Shutdown Pin
Voltage
1.4
0.6
V
SHD
(V)
0.4
0.2
0
V
o
1.5
0
1.2
1.0
0.8
Figure 17. Transition Level of CB Pins
1.4
0.6
0.4
0.2
0
V
CB
(V)
V
o
1.5
0
0.5
1
1.2
1.0
0.8
2
2
1
0.5
V
in
= 3.6 V
V
out
= 1.5 V
PWM
T
A
= 25
°
C
V
in
= 3.6 V
V
out
= 1.5 V
PWM
T
A
= 25
°
C
Figure 18. Light
Load PWM Switching Waveform
(V
in
= 3.6 V, V
out
= 1.5 V, I
out
= 30 mA)
Figure 19. Heavy
Load PWM Switching Waveform
(V
in
= 3.6 V, V
out
= 1.5 V, I
out
= 300 mA)
Figure 20. Pulsed Mode Switching Waveform
(V
in
= 3.6 V, V
out
= 1.5 V, I
out
= 30 mA)
Figure 21. Soft
Start
(V
in
= 3.6 V, V
out
= 1.5 V, I
out
= 150 mA)
1 s/div
1 s/div
1 s/div
500 s/div
0.5V/div
Vout
1V/div
Vshdn
0
0
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