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MC33370T Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
MC33370TMOTO145Yes

MC33370T** is a high-voltage power switching regulator manufactured by **Motorola (MOTO)**.

The MC33370T is a high-voltage power switching regulator manufactured by Motorola (MOTO).

Key Specifications:

  • Input Voltage Range: 8V to 40V
  • Output Voltage: Adjustable (via external resistors)
  • Output Current: Up to 1.5A (with proper heat sinking)
  • Switching Frequency: 100 kHz (fixed)
  • Duty Cycle: Up to 96%
  • Efficiency: Up to 90%
  • Operating Temperature Range: -40°C to +125°C
  • Package: TO-220 (5-pin)

Descriptions:

The MC33370T is a monolithic switching regulator IC designed for step-down (buck) applications. It integrates a high-voltage power switch, oscillator, error amplifier, and protection circuitry. The device is optimized for high-efficiency DC-DC conversion in automotive, industrial, and consumer electronics.

Features:

  • Integrated Power MOSFET (DMOS technology)
  • Undervoltage Lockout (UVLO)
  • Cycle-by-Cycle Current Limiting
  • Thermal Shutdown Protection
  • Soft-Start Functionality
  • Adjustable Output Voltage (via feedback pin)
  • Low Standby Current

This IC is commonly used in power supply designs requiring high efficiency and compact form factors.

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