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MAX5014 - Current-Mode PWM Controllers

Description

The MAX5014/MAX5015 integrate all the building blocks necessary for implementing DC-DC fixed-frequency isolated power supplies.

These devices are current-mode controllers with an integrated high-voltage startup circuit suitable for isolated telecom/industrial voltage range power supplies.

Features

  • o Wide Input Range: (18V to 110V) or (13V to 36V) o Current-Mode Control o Leading-Edge Blanking o Internally Trimmed 275kHz ±10% Oscillator o Low External Component Count o Soft-Start o High-Voltage Startup Circuit o Pulse-by-Pulse Current Limiting o Thermal Shutdown o SO-8 Package Ordering Information PART TEMP. RANGE MAX5014CSA.
  • 0°C to +70°C MAX5014ESA.
  • -40°C to +85°C MAX5015CSA.
  • 0°C to +70°C MAX5015ESA.
  • -40°C to +85°C.
  • See Selector Guide at end of data sheet.

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Full PDF Text Transcription

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MAX5014/MAX5015 19-2082; Rev 0; 7/01 EVAALVUAAILTAIOBNLEKIT Current-Mode PWM Controllers with Integrated Startup Circuit for Isolated Power Supplies General Description The MAX5014/MAX5015 integrate all the building blocks necessary for implementing DC-DC fixed-frequency isolated power supplies. These devices are current-mode controllers with an integrated high-voltage startup circuit suitable for isolated telecom/industrial voltage range power supplies. Current-mode control with leading-edge blanking simplifies control-loop design and internal ramp compensation circuitry stabilizes the current loop when operating at duty cycles above 50% (MAX5014).
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