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UC2843BD1R2G Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
UC2843BD1R2GONSEMI5195Yes

UC2843BD1R2G** is a high-performance current-mode PWM controller manufactured by **ON Semiconductor**.

The UC2843BD1R2G is a high-performance current-mode PWM controller manufactured by ON Semiconductor.

Key Specifications:

  • Topology: Current-mode PWM controller
  • Input Voltage Range: 8.5V to 30V (operating)
  • Switching Frequency: Up to 500kHz
  • Output Drive Current: ±1A (peak)
  • Duty Cycle Range: 0% to 100% (adjustable)
  • Reference Voltage: 5V (±1%)
  • Operating Temperature Range: -40°C to +85°C
  • Package: SOIC-8

Descriptions:

The UC2843BD1R2G is designed for DC-DC converter applications, providing precise regulation with high efficiency. It features cycle-by-cycle current limiting, under-voltage lockout (UVLO), and a trimmed oscillator for accurate frequency control.

Features:

  • Current-Mode Control for improved transient response
  • Automatic Feed-Forward Compensation
  • Latching PWM for cycle-by-cycle current limiting
  • Undervoltage Lockout (UVLO) with hysteresis
  • Internal Trimmed Bandgap Reference (5V)
  • High-Current Totem Pole Output for driving MOSFETs
  • Low Startup Current (<1mA)

This IC is commonly used in power supplies, battery chargers, and industrial control systems.

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