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TEA1654 - GreenChipII SMPS control IC

General Description

The GreenChip™(1)II is the second generation of green Switched Mode Power Supply (SMPS) control ICs operating directly from the rectified universal mains.

A high level of integration leads to a cost effective power supply with a very low number of external components.

Key Features

  • Distinctive features.
  • Universal mains supply operation (70 to 276 V AC).
  • High level of integration, giving a very low external component count. Green features.
  • Valley or zero voltage switching for minimum switching losses.
  • Efficient quasi-resonant operation at high power levels.
  • Frequency reduction at low power standby for improved system efficiency (.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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INTEGRATED CIRCUITS DATA SHEET TEA1654 GreenChip™II SMPS control IC Product specification 2003 May 12 Philips Semiconductors Product specification GreenChip™II SMPS control IC FEATURES Distinctive features • Universal mains supply operation (70 to 276 V AC) • High level of integration, giving a very low external component count. Green features • Valley or zero voltage switching for minimum switching losses • Efficient quasi-resonant operation at high power levels • Frequency reduction at low power standby for improved system efficiency (<3 W) • Cycle skipping mode at very low loads; Pi < 300 mW at no-load operation for a typical adapter application • On-chip start-up current source • Standby indication pin to indicate low output power consumption.