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Product Overview

The EVLALTAIR05T-5W is an ALTAIR05T-800 CV-CC optoless adapter Demonstration Board that implements a 5W (5V/1A) wide range mains battery charger with constant voltage-constant current, tailored for AC-DC chargers for mobile phones and adapters and other hand-held equipment. The IC combines a high-performance low-voltage PWM controller chip and an 800 V, avalanche-rugged Power MOSFET. The PWM chip is a quasi-resonant (QR) current-mode controller IC specifically designed for QR ZVS (zero voltage switching at switch turn-on) flyback converters. The device is capable of providing constant output voltage (CV) and constant output current (CC) regulation using primary-sensing feedback. This eliminates the need for the optocoupler, the secondary voltage reference, as well as the current sensor, while still maintaining quite accurate regulation.
  • Universal input mains range (90 to 264VAC, frequency 45 to 65Hz)
  • 5V Output voltage at 1A continuous operation
  • Optoless constant voltage - Constant current output regulation
  • <100mW Standby mains consumption (at 230VAC)
  • >70% Average efficiency


Power Management; Embedded Design & Development
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Product Specifications, Documents & More

  • Application Sub Type: Offline Power Supply
  • Features: Optoless CV-CC Output Regulation, Vin 90-264 VAC, Output 5V @1A Continuous Operation, Efficiency 70%
  • Kit Application Type: Power Management
  • Kit Contents: Eval Board ALTAIR05T-800
  • SVHC: To Be Advised
  • Silicon Core Number: ALTAIR05T-800
  • Silicon Manufacturer: STMicroelectronics

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