(PDF) YD3842 Datasheet - CURRENT MODE PWM CONTROL CIRCUITS

Número de pieza	YD3842
Descripción	CURRENT MODE PWM CONTROL CIRCUITS
Fabricantes	Wuxi Youda electronics
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No Preview Available ! www.DataSheet4U.com YOUDA INTEGRATED CIRCUIT YD3842 CURRENT MODE PWM CONTROL CIRCUITS—YD3842 DESCRIPTION The YD3842 provides the necessary features to implement off-line or 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 Automatic Feed Forward Compensation Pulse-by-Pulse Current Limiting Under-voltage Lookout with Hysteresis Double Pulse Suppression High Current Totem Pole Output Internally Trimmed Band-gap Reference *500kHz Operation BLOCK DIAGRAM 8 1/2 5V REF S/R 7 UVL 65 VCC RS + EA - 1/3 OSC 1V 1234 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 1 page

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PDF YD3842 Data sheet ( Hoja de datos )