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參數(shù)資料
| 型號(hào)： | AT1313X-GRE |
| 廠商： | Aimtron Technology Corp. |
| 英文描述： | High Efficiency, Constant Current White-LED Driver |
| 中文描述： | 高效率，恒定電流白光LED驅(qū)動(dòng)器 |
| 文件頁(yè)數(shù)： | 10/12頁(yè) |
| 文件大?。?/td> | 198K |
| 代理商： | AT1313X-GRE |
AT1313
High Efficiency, Constant Current
White-LED Driver
I
V
×
7F, No.9, PARK AVENUE II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW:
http://www.aimtron.com.tw
10/31/2006 REV:2.0 Email:
service@aimtron.com.tw
10
OSC
OUT
O
O
in
O
LPEAK
RIPPLE
f
C
V
V
ESR
I
V
×
+
×
=
For low ESR ceramic capacitors, the output ripple is dominated by the charging or discharging of the
output capacitor.
PCB layout guidelines
Careful printed circuit layout is extremely important to avoid causing parasitical capacitance and line
inductance. The following layout guidelines are recommended to achieve optimum performance.
Please the boost converter diode and inductor close to the LX pin and no via. Keep traces short,
direct, and wide.
Please ceramic bypass capacitors near the input/output pin.
Locate all feedback sense resistor as close to the feedback pins as possible.
The ground connections of V
IN
and V
OUT
should be as close together as possible.
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