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UC2845BD1R2G Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
UC2845BD1R2GONSEMI10000Yes

UC2845BD1R2G** is a high-performance current-mode PWM controller manufactured by **ON Semiconductor**.

The UC2845BD1R2G is a high-performance current-mode PWM controller manufactured by ON Semiconductor.

Key Specifications:

  • Manufacturer: ON Semiconductor
  • Type: Current-Mode PWM Controller
  • Topology: Flyback, Forward, Boost, Buck
  • Switching Frequency: Up to 500 kHz
  • Operating Voltage Range: 7.6V to 30V
  • Output Current: ±1A (Peak)
  • Duty Cycle Range: 0% to 100%
  • Error Amplifier Bandwidth: 1 MHz
  • Package: SOIC-8 (D1 suffix)
  • Operating Temperature Range: -40°C to +85°C

Features:

  • Current-Mode Operation 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 ±1%)
  • Low Startup Current (<1mA)
  • High-Current Totem Pole Output for driving power MOSFETs

Applications:

  • Switch-mode power supplies (SMPS)
  • DC-DC converters
  • Battery chargers
  • Offline power supplies

This IC is widely used in power supply designs requiring precise regulation and high efficiency.

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