TEA1791T/N1

Synchronous Rectifier (SR)controller IC, SOP, 8.5 V to 38 V, Low current consumption

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Price:: US $0.34~0.37 / piece [Get Latest Price]

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PartNumber:: TEA1791T/N1

Brand:: NXP Semiconductors - nxp | Pack: SOP | D/C: 09+

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Products Upload time: 2011-12-28

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Part Number:TEA1791T/N1
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Product Summary

The TEA1791T/N1 is a Synchronous Rectifier (SR)controller IC for switched mode power supplies. Its high level of integration allows the design of a cost-effective power supply with a very low number of external components. The TEA1791T/N1 is a controller IC dedicated for synchronous rectification on the secondary side of discontinuous conduction mode and quasi-resonant flyback converters. The TEA1791T/N1 is fabricated in a Silicon On Insulator (SOI) process. The device is intended for adapters. The device can also be used in all other discontinuous conduction mode systems and quasi-resonant flyback systems that demand a highly efficient and cost-effective solution.

Parametrics

TEA1791T/N1 absolute maximum ratings: (1)VCC supply voltage: -0.4 to +38 V; (2)VSRSENSE voltage on pin SRSENSE: 120 V; (3)IDRIVER current on pin DRIVER: -0.8 to +3 A; (4)ISRSENSE current on pin SRSENSE: -3 mA; (5)Ptot total power dissipation: 0.45 W; (6)Tstg storage temperature: -55 to +150 ℃; (7)Tj junction temperature: -20 to +150 ℃; (8)Vesd electrostatic discharge voltage: 2000 V.

Features

TEA1791T/N1 features: (1)Accurate synchronous rectification functionality; (2)Wide supply voltage range (8.5 V to 38 V); (3)High level of integration, resulting in a very low external component count; (4)High driver output voltage of 10 V to drive all MOSFET brands to the lowest RDSon; (5)Low current consumption; (6)High system efficiency from no load to full load; (7)Undervoltage protection.