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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500個，高效率同步降壓毫安型DC - DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 162K |
| 代理商： | LPO4812 |
NCP1511
http://onsemi.com
7
Figure 10. Input Current Comparison
0.6
0.8
1
1.2
1.4
1.6
1.8
2
0
100
200
300
400
500
V
in
= 3.6 V
T
A
= 25
°
C
PWM
V
o
Figure 11. Output Voltage vs. Output Current
1.0 V
out
1.3 V
out
1.5 V
out
1.89 V
out
I
out
(mA)
1000
100
10
I
out
(mA)
V
o
15
10
5
0
5
10
V
in
= 3.6 V
T
A
= 25
°
C
Figure 12. Load Regulation in PWM Mode
40
100
20
20
40
TEMPERATURE (
°
C)
V
o
2
1.8
1.2
1
V
in
= 3.6 V
I
out
= 150 mA
PWM
0.6
0.8
1.4
1.6
Figure 13. Output Voltage vs. Temperature
Figure 14. Oscillator Frequency vs. Temperature
Figure 15. Oscillator Frequency vs. Input
Voltage
V
in
(V)
F
1.89 V
out
1.0 V
out
1.3 V
out
1.5 V
out
0
80
60
1.89 V
out
1.5 V
out
1.3 V
out
1.0 V
out
40
100
20
20
40
TEMPERATURE (
°
C)
F
910
890
850
870
950
0
80
60
V
in
= 3.6 V
V
out
= 1.5 V
I
out
= 150 mA
850
870
890
910
930
950
2.5
3.0
3.5
4.0
4.5
5.5
V
out
= 1.5 V
I
out
= 150 mA
T
A
= 25
°
C
PWM
0
5
10
0
5
10
15
20
30
I
out
(mA)
I
i
PWM Mode
Pulsed Mode
25
15
20
V
in
= 3.6 V
V
out
= 1.5 V
T
A
= 25
°
C
5.0
930
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