4274V50 5V Power Supply Voltage Regulator Transistor regulator Transistor original

4274V50 5V Power Supply Voltage Regulator Transistor regulator Transistor

“TLE4274V50 is a 5V low-drop voltage regulator IC capable of supplying up to 400mA with built-in protection features, mainly designed for automotive and embedded electronic applications.”

• Type: Low Dropout Voltage Regulator (LDO)
• Output Voltage: 5V fixed
• Maximum Output Current: 400mA
• Input Voltage: Up to 40V
• Package Types: TO-220, TO-252, TO-263
• Protection Features:
  • Short-circuit protection
  • Over-temperature protection
  • Reverse polarity protection
• Common Use:
  • Car electronics
  • Automotive ECU power supply
  • Embedded systems
  • Microcontroller power regulation

Main Features

• Very low dropout voltage
• Stable 5V regulated output
• Low current consumption
• Automotive grade reliability

Pin Configuration

1. Input (VIN)
2. Ground (GND)
3. Output (VOUT)

Basic Working Formula

The regulator converts higher DC voltage into stable 5V output:

VOUT=5VV_{OUT}=5VVOUT​=5V

Important Capacitor Requirement

For stable operation:

• Input capacitor recommended
• Output capacitor ≥ 22µF with ESR ≤ 3Ω

Short Product Description