UC3843 Series

Catalog

30-V, 1A, 500KHZ CURRENT MODE PWM CONTROLLER WITH 8.4V/7.6V UVLO 100% DUTY CYCLE 0°C TO 70°C

Part	Voltage - Supply (Minimum)	Voltage - Supply (Maximum)	Current - Supply	Voltage - Input (Minimum)	Voltage - Input (Maximum)	Applications	Package Name	Package Width	Package Length	Operating Temperature (Min)	Operating Temperature (Max)	Mounting Type	Output Type	Duty Cycle (Max)	Frequency - Switching (Max)	Output Configuration	Function	Topology	Control Features	Clock Sync	Number of Outputs	Synchronous Rectifier	Output Phases
Texas Instruments UC3843ADTR	7.6 V	30 VDC	11 mA	-0.3 V	6.3 V	PWM Controller	14-SOIC	3.9 mm	0.154 in	0 °C	70 °C	Surface Mount
Texas Instruments UC3843D8	12 VDC	28 V	11 mA	-0.3 V	6.3 V	PWM Controller	8-SOIC	3.9 mm	0.154 in	0 °C	70 °C	Surface Mount
Texas Instruments UC3843N							8-DIP 8-PDIP	7.62 mm	0.3 in	0 °C	70 °C	Through Hole
Texas Instruments UC3843NG4	12 VDC	28 V	11 mA	-0.3 V	6.3 V	PWM Controller	8-DIP 8-PDIP	7.62 mm	0.3 in	0 °C	70 °C	Through Hole
Texas Instruments UC3843AD	7.6 V	30 VDC	11 mA	-0.3 V	6.3 V	PWM Controller	14-SOIC	3.9 mm	0.154 in	0 °C	70 °C	Surface Mount
Texas Instruments UC3843D							14-SOIC	3.9 mm	0.154 in	0 °C	70 °C	Surface Mount
Texas Instruments UC3843D
Texas Instruments UC3843DR-8							8-SOIC	3.9 mm	0.154 in	0 °C	70 °C	Surface Mount	Transistor Driver	97 %	500 kHz	Isolation Capable Positive	Step-Down Step-Up Step-Up/Step-Down	Boost Buck Buck-Boost Flyback Forward	Frequency Control	No	1	No	1
Texas Instruments UC3843AD8G4	7.6 V	30 VDC	11 mA	-0.3 V	6.3 V	PWM Controller	8-SOIC	3.9 mm	0.154 in	0 °C	70 °C	Surface Mount	PWM	100 %	500 kHz			Boost Buck Flyback Forward Converter		No	1
Texas Instruments UC3843ANG4	7.6 V	30 VDC	11 mA	-0.3 V	6.3 V	PWM Controller	8-DIP 8-PDIP	7.62 mm	0.3 in	0 °C	70 °C	Through Hole	PWM	100 %	500 kHz			Boost Buck Flyback Forward Converter		No	1