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參數(shù)資料
| 型號(hào)： | RT9271 |
| 英文描述： | Step-up DC/DC Converter |
| 中文描述： | 升壓型DC / DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 386K |
| 代理商： | RT9271 |
RT9271
Preliminary
www.richtek.com
6
DS9271-01 July 2003
R
R
R
R
R
Stability for Driving 1 WLED
Time (500 ns/Div)
V
IN
=2.4V
I
IN
V
LX
100mA/Div
V
OUT
(AC)
Stability for Driving 1 WLED
Time (500 ns/Div)
V
IN
=3.2V
V
OUT
(AC)
I
IN
V
LX
100mA/Div
Stability for Driving 2 WLEDs
Time (500 ns/Div)
V
IN
=2.4V
I
IN
V
LX
100mA/Div
V
OUT
(AC)
Stability for Driving 2 WLEDs
Time (500 ns/Div)
V
IN
=3.6V
V
OUT
(AC)
I
IN
V
LX
100mA/Div
Stability for Driving 2 WLEDs
Time (500 ns/Div)
V
IN
=5.2V
I
IN
V
LX
100mA/Div
V
OUT
(AC)
VIN vs. Temperature
2
2.2
2.4
2.6
2.8
3
20
30
40
Temperature
50
60
70
V
3 WLEDs
4 WLEDs
Minimum Input Voltage vs. Temperature
for Delivering Full Brightness
(
C)
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