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參數(shù)資料
| 型號(hào)： | YD3843 |
| 廠商： | Wuxi Youda electronics Co.,LTD. |
| 英文描述： | CURRENT MODE PWM CONTROL CIRCUITS |
| 中文描述： | 電流模式PWM控制電路 |
| 文件頁(yè)數(shù)： | 1/4頁(yè) |
| 文件大?。?/td> | 93K |
| 代理商： | YD3843 |
YOUDA INTEGRATED CIRCUIT
YD3843
CURRENT MODE PWM CONTROL CIRCUITS—YD3843
DESCRIPTION
The YD3843 provides the necessary features to implement off-line or DC to DC fixed frequency current mode
control schemes with a minimal external parts count.
FEATURES
*Optimized for off-line and DC to DC converts
*Low start up current(<1mA)
*Automatic feed forward compensation
*Pulse-by-Pulse current limiting
*Enhanced load response characteristic
*Under-voltage lookout with hysteresis.
*Double pulse Suppression
*High current totem pole output
*Internally trimmed band-gap reference
*500kHz operation
*Low Ro error amp
BLOCK DIAGRAM
876
1/2
1/3
VCC
5V
REF
S/R
UVL
5
1
2
3
4
RS
OSC
+
-
EA
1V
WuXi YouDa Electronics Co., Ltd
Add:
No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel:
86-510-85205117
86-510-85205106
Fax:
86-510-85205110
Website: www.e-youda.com
SHENZHEN OFFICE
Tel： 86-755-83740369
Fax： 86-755-83741418
Ver
5.0
1 of 4
2006-7-10
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