(PDF) UTC1869 Datasheet - HIGH FREQUENCY PWM CONTROLLER

Número de pieza	UTC1869
Descripción	HIGH FREQUENCY PWM CONTROLLER
Fabricantes	YW
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No Preview Available ! UTC1869 HIGH FREQUENCY PWM CONTROLLER LINEAR INTEGRATED CIRCUIT DESCRIPTION The UTC1869 is a high frequency PWM controller integrates required functions for boost conversion in a small SOP-8 package . A low 0.21V feedback voltage make the UTC1869 be an ideal contoller for LED backlight supplies . FEATURES * Voltage Mode PWM Controller * Low 0.21V reference Voltage * 180KHz Operation * Deadtime Control * Internal UVLO(Under Voltage Lock Out) * Limited Output Duty Cycle * Low Shutdown current * SOP-8 Package * Soft Setup ABSOLUTE MAXIMUM RATINGS (Unless otherwise noted ,all is over operating free-air temperature Range) Characteristic Value Supply Voltage 7-40 Input Voltage -0.3 Vcc+0.3 Operating Ambit Temperature Range Extreme Operating Ambient Temp 0 70 -40 85 Operating Junction Temperature Storage Temperature +150 -55 150 SOP-8 Unit V V °C °C °C °C RECOMMENDED OPERATING CONDITION Characteristic Value Supply Voltage 36 Operating Ambient Temperature 0 70 BLOCK DIAGRAM Unit V °C YOUWANG ELECTRONICS CO.LTD 1 2012.07.11 V1.6 1 page UTC1869 LINEAR INTEGRATED CIRCUIT TYPICAL APPLICATION CIRCUI YOUWANG ELECTRONICS CO.LTD 5 2012.07.11 V1.6 5 Page

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PDF UTC1869 Data sheet ( Hoja de datos )