Bridgold 10pcs UC3842B UC3842 High Performance PWM Current Mode Controller 1 A, 8-Pin PDIP
The UC3842B series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and DC−DC converter applications offering the designer a cost−effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET. Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle−by−cycle current limiting, programmable output deadtime, and a latch for single pulse metering. Maximum Switching Frequency:500 kHz Minimum Operating Temperature:-40 °C Maximum Operating Temperature:+150 °C Output Current:1 A Package include 10pcs UC3842B
Product Features
- Trimmed Oscillator for Precise Frequency Control
- Oscillator Frequency Guaranteed at 250 kHz
- Automatic Feed Forward Compensation
- Latching PWM for CycleByCycle Current Limiting
- Internally Trimmed Reference with Undervoltage Lockout
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