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reference designTEA1721BT | Demoboard ENLIGHT 7W LED

NXP TEA1721BT | Demoboard ENLIGHT 7W LED

HV start-up flyback controller with integrated MOSFET for 5 W applications, 905 Hz burst frequency

Overview

TopologyFlyback Converter
Input voltage207-253 V
Switching frequency22.5-50.5 kHz
Output 15 V / 0.3 A
IC revision1

Features

  • Low power SMPS controller with integrated power switch designed for applications up
  • to 5 W700 V high voltage power switch for global mains operationPrimary sensing for control of the output voltage without optocoupler and secondary
  • feedback circuitryMinimizes audible noise in all operation modesUSB battery charging and Energy Star 2.0 compliantJitter function for reduced EMIEnables no-load power consumption < 20 mWVery low supply current in no-load condition with energy saver modeIncorporates a high voltage start-up circuit with zero current consumption under
  • normal switching operationAvailable in halogen-free and Restriction of Hazardous Substances (RoHS) SO7
  • packageOverVoltage Protection (OVP) on Feedback control (FB) pin with auto-restartUnderVoltage LockOut (UVLO) protection on IC supply pinOverTemperature Protection (OTP)Soft-start by reduced peak current for zero and low output voltageDemagnetization protection for guaranteed discontinuous conduction mode operationOpen and short-circuit protection of the Feedback control (FB) pinShort-circuit protection of the charger output

Typical applications

  • Standby supply for TV and desktop PC
  • Power supply for white goods applications
  • Battery chargers for cellular phones and other low power adapters up to 5 W

More information

Products

Order Code
Data­sheet
Downloads
Status
Product series
SamplesAvailability & Sample
750370230
SPECPower Transformer
Availability
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Downloads–
Status Activei| Production is active. Expected lifetime: >10 years.
Product series Power Transformer
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