DC-DC Controller UC3843 500kHz 7.6V~30V DIP-8 IC

Features:

• 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

Specs:

• Manufacturer Part No: UC3843BN
• Product Type: Switching Controllers
• Type: Current Mode PWM Controllers
• Series: UC3843B
• Product Category: Switching Controllers
• Topology: Boost, Flyback, Forward
• Number of Outputs: 1 Output
• Duty Cycle: 100 %
• Input Voltage: 30V
• Output Voltage: 4.9V to 5.1V
• Operating Supply Voltage: 30V
• Output Current: 1A
• Rise Time: 50 ns
• Fall Time: 50 ns
• Mounting Style: Through Hole
• Package/Case: DIP-8

UC3843B Datasheet