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UC3845BVD1R2G Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
UC3845BVD1R2GONSEMI10740Yes

UC3845BVD1R2G** is a high-performance current-mode PWM controller manufactured by **ON Semiconductor**.

The UC3845BVD1R2G is a high-performance current-mode PWM controller manufactured by ON Semiconductor.

Specifications:

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

Descriptions:

The UC3845BVD1R2G is designed for DC-DC converter applications, providing precise control of switching power supplies. It features an oscillator, error amplifier, current sensing comparator, and a high-current totem-pole output for driving power MOSFETs.

Features:

  • Adjustable frequency operation
  • Under-voltage lockout (UVLO)
  • Cycle-by-cycle current limiting
  • Single-ended output drive
  • Low startup current (<1mA)
  • Internal trimmed bandgap reference

This device is commonly used in offline and DC-DC power supplies, battery chargers, and LED drivers.

(Note: Always refer to the official datasheet for detailed specifications and application guidelines.)

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