Description
The UC3843D8TR is a single-ended current-mode pulse-width modulation (PWM) controller integrated circuit designed for off-line and DC-DC power converter applications. It provides the essential control functions needed to implement fixed-frequency current-mode power supply topologies such as fly back, forward, boost, buck, and buck-boost converters, with minimal external components required.
FEATURES
- Operating Supply Voltage: ~7.6 V to 30 V typical
- Switching Frequency: Up to ~500 kHz
- Max Duty Cycle: ~97 % typical
- Operating Temperature: 0 °C to 70 °C
- Mounting Style: Surface Mount
SPECIFICATION
- Dimension: 5 × 3.98 × 1.75 mm
- Additional information
- Gross weight: 0.0726 g
- Manufacturer part number: UC3843D8TR




