UC3843B
Description
ackage outline The UC3842B/3B/4B/5B, series are high performance fixed frequency current mode controllers.
Key Features
- Trimmed Oscillator for Precise Frequency Control
- Oscillator Frequency Guaranteed at 250 kHz
- Current Mode Operation to 500 kHz
- Automatic Feed Forward pensation
- Latching PWM for Cycle–By–Cycle Current Limiting
- Internally Trimmed Reference with Undervoltage Lockout
- High Current Totem Pole Output
- Undervoltage Lockout with Hysteresis
- Low Startup and Operating Current
- Simplified VC
Representative UC3843B image (package may vary by manufacturer)
