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ONSEMI UC3843BNG Current Mode Controller
The UC3843BNG is a high-performance fixed frequency current mode controller designed for off-line and DC-DC converter applications. It features a precision oscillator, temperature-compensated reference, high gain error amplifier, and a high current totem pole output capable of driving power MOSFETs. The device includes undervoltage lockout thresholds, cycle-by-cycle current limiting, programmable deadtime, and separate power ground. Its robust design ensures minimal external components, high efficiency, and reliable operation across a wide temperature range, making it ideal for various power supply and converter systems.
ONSEMI UC3843BNG Current Mode Controller Specifications:
- Oscillator Frequency: 250 kHz guaranteed
- Output Drive Current: Up to 1.0 A peak
- Undervoltage Lockout Thresholds: 8.4 V (on), 7.6 V (off)
- Reference Output Voltage: 5.0 V ±2.0%
- Operating Temperature Range: -25°C to +105°C
- Total Power Dissipation: SOIC-14 package 862 mW, SOIC-8 package 702 mW
- Thermal Resistance (Junction to Air): SOIC-14 145°C/W, SOIC-8 178°C/W
- Supply Voltage Range: 6 V to 25 V
- Output Voltage Swing: High 13.5 V, Low 0.14 V
- Package Types: SOIC-14, SOIC-8
Buy the Buy ON Semiconductor UC3843BNG Part Number 3843BNG Online
Discover the ON Semiconductor UC3843BNG current mode controller today. Designed for precise regulation and high efficiency, it offers adjustable deadtime, undervoltage lockout, and high peak drive current, making it ideal for off-line and DC-DC power supplies. The device features a robust totem pole output stage capable of sourcing and sinking 1.0 A, with a secure fixed frequency oscillator and a temperature-stable reference. Purchase online now to enhance your power conversion systems with this reliable, high-performance controller, ensuring efficient operation and minimal external components.
Buy ON Semiconductor UC3843BNG now and experience reliable high-performance current mode control for efficient power conversion.
Frequently Asked Questions
Where can I buy ONSEMI UC3843BNG?
You can click on the BUY or RFQ button to purchase UC3843BNG from an authorized ONSEMI distributor.
How do I troubleshoot issues or seek technical support for part UC3843BNG?
You can download the UC3843BNG datasheet or visit the ONSEMI website for support.
Who is the manufacturer of UC3843BNG?
ONSEMI