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ONSEMI UC3842BDG High-Performance PWM Controller
The UC3842BDG is a high-performance, fixed-frequency current-mode PWM controller designed for off-line and DC-to-DC converter applications. It offers a cost-effective solution with minimal external components. Features include a trimmed oscillator for precise duty cycle control, a temperature-compensated reference, a high-gain error amplifier, a current sensing comparator, and a high-current totem pole output suitable for driving power MOSFETs. The device also provides protective features such as undervoltage lockouts with hysteresis, cycle-by-cycle current limiting, programmable output deadtime, and a latch for single pulse metering. Additionally, it includes internal automatic feed-forward compensation, low startup and operating current, and is ideal for power management and industrial applications.
ONSEMI UC3842BDG High-Performance PWM Controller Specifications:
- Oscillator Frequency: Guaranteed at 250 kHz
- Maximum Output Duty Cycle: 94-96%
- Output Drive Current: Up to 1.0 A peak
- Reference Output Voltage: 5.0 V ±1%
- Undervoltage Lockout Thresholds: 16 V (on), 10 V (off)
- Power Dissipation: 862 mW (SOIC-14), 702 mW (SOIC-8), 1.25 W (Case 626)
- Operating Temperature Range: -40°C to +105°C (varies with package)
- Input Voltage Range: Up to Vcc = 30 V
- Shutdown and fault protection features including cycle-by-cycle current limiting and latch for pulse metering
- Package Types: SOIC-14, SOIC-8
Buy the ON Semiconductor UC3842BDG – Reliable PWM Controller for Industrial Applications
Discover the flexibility and efficiency of the UC3842BDG PWM controller for your power conversion needs. Suitable for off-line and DC-DC converter designs, this device offers precise duty cycle control, reliable undervoltage lockout, cycle-by-cycle current limiting, and a high-current totem pole output capable of driving power MOSFETs. Its minimal external component requirements and robust features make it ideal for industrial, power management, and automation applications. Purchase online today to ensure seamless integration into your systems and enhance your power control solutions with this high-performance controller.
Buy ON Semiconductor UC3842BDG now and experience unmatched reliability and performance for your power management and industrial control projects.
Frequently Asked Questions
Where can I buy ONSEMI UC3842BDG?
You can click on the BUY or RFQ button to purchase UC3842BDG from an authorized ONSEMI distributor.
How do I troubleshoot issues or seek technical support for part UC3842BDG?
You can download the UC3842BDG datasheet or visit the ONSEMI website for support.
Who is the manufacturer of UC3842BDG?
ONSEMI