UC3843T_STMicroelectronics.pdf
Datasheet Details
Part number:
UC3842T, UC3843T
Manufacturer:
File Size:
193.56 KB
Description:
(uc3842t - uc3845t) high performance current mode pwm controller.
Note:
This datasheet PDF includes multiple part numbers: UC3842T, UC3843T.
Please refer to the document for exact specifications by model.
UC3842T, UC3843T, (UC3842T - UC3845T) HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
www.DataSheet4U.com ® UC3842T UC3843T UC3844T UC3845T HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER .
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TRIMMED OSCILLATOR FOR PRECISE FREQUENCY CONTROL OSCILLATOR FREQUENCY GUARANTEED AT 250kHz CURRENT MODE OPERATION TO 500kHz AUTOMATIC FEED FORWARD COMPENSATION LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT HIGH CURRENT TOTEM POLE OUTPUT UNDERVOLTAGE LOCKOUT WITH HYSTERESIS LOW START-UP AND OPERATING CURRENT Minidip S
UC3842T Features
* to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under voltage lockout featuring start-up current less than 0.5mA, a precision reference trim
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