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ONSEMI UC3843BVNG Current Mode Controller
The UC3843BVNG series are high-performance fixed frequency current mode controllers designed for efficient Off-Line and DC-to-DC converter applications. Featuring a built-in oscillator, temperature-compensated reference, high-gain error amplifier, current sensing comparator, and a high current totem pole output stage, they enable minimal external components for cost-effective design. These controllers include undervoltage lockout protection with hysteresis, cycle-by-cycle current limiting, programmable deadtime, and a latch for single pulse control. Available in SOIC-14 and SOIC-8 packages, they support high switching frequencies up to 500 kHz, making them ideal for power switching and regulation systems.
ONSEMI UC3843BVNG Current Mode Controller Specifications:
- Oscillator Frequency: 250 kHz guaranteed, operation up to 500 kHz
- Reference Voltage: 5.0 V bandgap, trimmed to ±1-2% accuracy
- Undervoltage Lockout Thresholds: 16 V (on), 10 V (off) for UCX842B; 8.4 V (on), 7.6 V (off) for UCX843B
- Maximum Output Current: 1.0 A peak drive current
- Power Dissipation: 862 mW (SOIC-14), 702 mW (SOIC-8), 1.25 W (Case 626)
- Operating Temperature Range: -25°C to +105°C for various models
- Total Power Supply Voltage: 30 V maximum
- Package Options: SOIC-14, SOIC-8, PDIP-8
- Cycle-by-cycle current limiting, programmable deadtime, high gain error amplifier, protected undervoltage lockout
- ESD protection: Human Body Model 4000 V, Machine Model 200 V
Buy the Buy ON Semiconductor UC3843BVNG Part Number 3843BVNG Online
Order the ON Semiconductor UC3843BVNG current mode controller online today for efficient power regulation in off-line and DC-DC converter systems. With a built-in oscillator, precise reference, high current drive capability, undervoltage lockout protection, and flexible package options, this controller ensures high performance and minimal external components. Designed for high-frequency operation up to 500 kHz, it supports advanced power supply designs that demand reliability and compactness. Purchase now for fast delivery and secure online transactions.
Buy ON Semiconductor UC3843BVNG now and experience unmatched reliability and high-frequency power regulation efficiency.
Frequently Asked Questions
Where can I buy ONSEMI UC3843BVNG?
You can click on the BUY or RFQ button to purchase UC3843BVNG from an authorized ONSEMI distributor.
How do I troubleshoot issues or seek technical support for part UC3843BVNG?
You can download the UC3843BVNG datasheet or visit the ONSEMI website for support.
Who is the manufacturer of UC3843BVNG?
ONSEMI