Part MB3778
Description Switching Regulator Controller
Manufacturer Fujitsu Semiconductor Limited
Size 276.47 KB
Fujitsu Semiconductor Limited

MB3778 Overview

Key Features

  • Wide input voltage range : 3.6 V to 18 V Low current consumption : 1.7 mA typ
  • operation, 10 µA max
  • 1 2 3 4 5 Pin CT RT +IN1 -IN1 FB1 Function Oscillator timing capacitor terminal (150 pF to 15,000 pF)
  • Oscillator timing resistor terminal (5.1 kΩ to 100 kΩ)
  • VREF × 1/2 voltage is also available at this pin for error amplifier reference input
  • Error amplifier 1 non-inverted input terminal
  • Error amplifier 1 inverted input terminal
  • Error amplifier 1 output terminal
  • A resistor and a capacitor are connected between this terminal and the -IN1 terminal to adjust gain and frequency
  • OUT1 dead-time control terminal