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STMICROELECTRONICS UC2843BN Current Mode Controller
The UC2843BN is a high performance fixed frequency current mode controller designed for off-line and DC-DC converter applications. It features a trimmed oscillator for precise frequency control, an error amplifier with high gain, and a high current totem pole output stage capable of driving power MOSFETs with peak currents up to 1.0 A. The device includes undervoltage lockouts, cycle-by-cycle current limiting, and soft-start circuitry. Available in an 8-pin PDIP and a 14-pin SOIC package, it operates over a temperature range of -25°C to +105°C, providing an efficient, reliable solution for power electronics design.
STMICROELECTRONICS UC2843BN Current Mode Controller Specifications:
- Operating Temperature Range: -25°C to +105°C
- Package Options: PDIP-8, SOIC-8, SOIC-14
- Maximum Output Current: 1.0 A peak
- Oscillator Frequency: 250 kHz (guaranteed)
- Undervoltage Lockout Thresholds: 8.4 V (on), 7.6 V (off)
- Reference Voltage: 5.0 V ±1%
- Power Dissipation: 702 mW (SOIC-8), 862 mW (SOIC-14)
- Thermal Resistance Junction-to-Air: 178°C/W (SOIC-8), 145°C/W (SOIC-14)
- Supply Voltage: Up to 30 V
- Error Amplifier Gain: 90 dB
- Cycle-by-cycle current limit, programmable deadtime
- Built-in hysteresis for undervoltage lockout
Buy the ON Semiconductor Series UC3843B Current Mode Controller: UC2843BN
Enhance your power conversion designs with the high performance UC2843BN current mode controller from ON Semiconductor. Its precise oscillator, robust undervoltage lockout, and high current output make it ideal for off-line and DC-DC converter applications. Available in compact PDIP and SOIC packages, this controller offers reliable cycle-by-cycle current limiting along with soft-start capabilities for smooth startup. Purchase online today to ensure your projects benefit from dependable, efficient power management with minimal external components.
Order your ON Semiconductor Series UC2843BN current mode controller today and give your power projects the dependable, precise performance they deserve.
Frequently Asked Questions
Where can I buy STMICROELECTRONICS UC2843BN?
You can click on the BUY or RFQ button to purchase UC2843BN from an authorized STMICROELECTRONICS distributor.
How do I troubleshoot issues or seek technical support for part UC2843BN?
You can download the UC2843BN datasheet or visit the STMICROELECTRONICS website for support.
Who is the manufacturer of UC2843BN?
STMICROELECTRONICS