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MAX253ESA Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
MAX253ESAMAXIM 2300Yes

MAX253ESA** is a high-efficiency, low-power flyback transformer driver manufactured by **Maxim Integrated** (now part of Analog Devices).

The MAX253ESA is a high-efficiency, low-power flyback transformer driver manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

Specifications:

  • Manufacturer: Maxim Integrated
  • Package: 8-SOIC (150mil)
  • Operating Voltage Range: 4.5V to 5.5V
  • Output Voltage: Adjustable via external transformer
  • Switching Frequency: 100kHz (typical)
  • Maximum Output Power: 2W (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Primary Current Limit: 350mA (typical)
  • Standby Current: 1.5mA (typical)

Descriptions:

The MAX253ESA is a monolithic, transformer driver IC designed for isolated power supply applications. It integrates a power MOSFET and control circuitry to efficiently drive a flyback transformer, making it suitable for low-power isolated DC-DC conversion. The device operates from a single 5V supply and provides a regulated output through an external transformer and feedback loop.

Features:

  • Integrated 100V, 350mA power MOSFET
  • Low standby current (1.5mA typical)
  • Efficient flyback topology for isolated power conversion
  • Internal oscillator with 100kHz switching frequency
  • Soft-start to reduce inrush current
  • Thermal shutdown protection
  • Current-mode control for improved stability
  • Adjustable output voltage via transformer turns ratio

The MAX253ESA is commonly used in telecom, industrial, and medical applications requiring compact, isolated power supplies.

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