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TEA1507 Datasheet(PDF) 2 Page - NXP Semiconductors |
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TEA1507 Datasheet(HTML) 2 Page - NXP Semiconductors |
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2 / 20 page  2000 Dec 05 2 Philips Semiconductors Preliminary specification GreenChip ™II SMPS control IC TEA1507 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/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) • Burst mode operation for very low standby levels (<1 W) • On-chip start-up current source. Protection features • Safe restart mode for system fault conditions • Continuous mode protection by means of demagnetization detection (zero switch-on current) • Accurate and adjustable overvoltage protection • Short winding protection • Undervoltage protection (foldback during overload) • Overtemperature protection • Low and adjustable overcurrent protection trip level • Soft (re)start • Mains voltage-dependent operation-enabling level. APPLICATIONS Besides typical application areas, i.e. TV and Monitor supplies, the device can be used in all applications that demand an efficient and cost-effective solution up to 250 W. handbook, halfpage MGU229 TEA1507 1 2 3 4 8 7 6 5 Fig.1 Typical application. |
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