Datasheet Details
Part number:
UC3845, UC3844
Manufacturer:
UTC
File Size:
428.57 KB
Description:
High performance current mode pwm controllers.
Note:
This datasheet PDF includes multiple part numbers: UC3845, UC3844.
Please refer to the document for exact specifications by model.
UC3845, UC3844, HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
The UTC UC3844/3845 are high performance fixed frequency current mode controllers that specifically designed for Off-Line and DC to DC converter applications with minimal external parts count.
The differences between UC3844 and UC3845 are the under-voltage lockout thresholds.
The UC3844 ideally suit
UC3845 Features
* Operation output switching frequency up to 500 kHz
* Automatic feed forward compensation
* Latching PWM for cycle-by-cycle current limiting
* High current totem pole output
* Internally trimmed reference with under voltage lockout
* UVLO with hysteresis
* Low startup an
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