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參數(shù)資料
| 型號： | LPO4812 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Up to 500 mA, High Efficiency Synchronous Step-Down DC-DC Converter |
| 中文描述： | 多達(dá)500個，高效率同步降壓毫安型DC - DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 162K |
| 代理商： | LPO4812 |
NCP1511
http://onsemi.com
9
Figure 22. Line Transient Response for PWM
Figure 23. Line Transient Response for PM
200 s/div
V
out
AC Coupled
10 mV/div
V
in
1 V/div
V
out
= 1.89 V
I
out
= 300 mA
PWM
3.0 V
3.6 V
200 s/div
V
out
AC Coupled
10 mV/div
V
in
1 V/div
V
out
= 1.89 V
I
out
= 30 mA
PM
3.0 V
3.6 V
Figure 24. Load Transient Response
Figure 25. Output Voltage Transition from
1.5 V to 1.89 V
Figure 26. Transition between PWM and PM
50 s/div
V
out
AC Coupled
20 mV/div
V
in
1 V/div
V
in
= 3.6 V
V
out
= 1.89 V
PWM
300 mA
10 mA
200 s/div
V
out
100 mV/div
CB1
2 V/div
CB0=1
V
in
= 3.6 V
I
out
= 300 mA
PWM
1.89 V
1.5 V
200 s/div
V
out
AC Coupled
10 mV/div
SYNC
V
in
= 3.6 V
V
out
= 1.5 V
I
out
= 30 mA
PWM
PM
2.0 V
0
PM
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