Synchronous rectification controller suitable for both high-side and low-side control | NXP Semiconductors

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Synchronous Rectification Controller Suitable for Both High-Side and Low-Side Control

TEA1791T Active

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The TEA1791T is a member of the new generation of Synchronous Rectifier (SR) controller ICs 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 is a controller IC dedicated to synchronous rectification on the secondary side of discontinuous conduction mode and quasi-resonant flyback converters. The TEA1791T is fabricated in a Silicon On Insulator (SOI) process.

Product Details

Block Diagram

TEA1791T Block Diagram

TEA1791T Block Diagram
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Features

Key Features

  • Accurate synchronous rectification functionality
  • Wide supply voltage range (8.5 V to 38 V)
  • High level of integration, resulting in a very low external component count
  • High driver output voltage of 10 V to drive all MOSFET brands to the lowest RDSon
  • Low current consumption
  • High system efficiency from no load to full load
  • Undervoltage protection

NXP GreenChip

  • This product is part of the NXP GreenChip portfolio, this program optimizes for energy efficiency in mobile and computing applications, specializing in high-power density, safety and reliability.

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Minimum SR active time (μs)

Driver activation voltage (mV)

Driver regulation voltage (mV)

Driver deactivation voltage (mV)

Driver activation delay time (ns)

TEA1791T
Data Sheet

Active

SO8

2

-310

-55

-12

125

N true 0 PSPTEA1791Ten 6 Application Note Application Note t789 1 Data Sheet Data Sheet t520 1 User Guide User Guide t792 4 en_US en_US en Data Sheet Data Sheet 1 1 2.0 Japanese 1442055782041704867946ja PSP 242.3 KB None None documents None 1442055782041704867946 /docs/ja/data-sheet/TEA1791T.pdf 242339 /docs/ja/data-sheet/TEA1791T.pdf TEA1791T documents N 2012-05-28 GreenChip synchronous rectifier controller /docs/ja/data-sheet/TEA1791T.pdf /docs/ja/data-sheet/TEA1791T.pdf Data Sheet N 980000996212993340 2022-12-07 ja 980000996212993340 Data Sheet N GreenChip synchronous rectifier controller TEA1791T 2.0 English 1442055782041704867946 PSP 242.3 KB None None documents None 1442055782041704867946 /docs/en/data-sheet/TEA1791T.pdf 242339 /docs/en/data-sheet/TEA1791T.pdf TEA1791T documents N 2012-05-28 GreenChip synchronous rectifier controller /docs/en/data-sheet/TEA1791T.pdf /docs/en/data-sheet/TEA1791T.pdf Data Sheet N 980000996212993340 2022-12-07 pdf en Jun 7, 2010 980000996212993340 Data Sheet N GreenChip synchronous rectifier controller Application Note Application Note 1 2 1.0 English 1442088856303710115238 PSP 70.0 KB None None documents None 1442088856303710115238 /docs/en/application-note/AN10781.pdf 70000 /docs/en/application-note/AN10781.pdf AN10781 documents N 2015-09-12 GreenChip SR TEA1791 integrated synchronous rectification controller /docs/en/application-note/AN10781.pdf /docs/en/application-note/AN10781.pdf Application Note N 645036621402383989 2022-12-07 pdf en Feb 9, 2009 645036621402383989 Application Note Y N GreenChip SR TEA1791 integrated synchronous rectification controller User Guide User Guide 4 3 1.0 English 1442125780123733670040 PSP 993.0 KB None None documents None 1442125780123733670040 /docs/en/user-guide/UM10444.pdf 993000 /docs/en/user-guide/UM10444.pdf UM10444 documents N 2015-09-12 90 W notebook adapter with TEA1753, TEA1703 and TEA1791 /docs/en/user-guide/UM10444.pdf /docs/en/user-guide/UM10444.pdf User Guide N 132339537837198660 2022-12-07 pdf en Apr 4, 2011 132339537837198660 User Guide Y N 90 W notebook adapter with TEA1753, TEA1703 and TEA1791 4 1.0 English 1442125795574723587187 PSP 1.1 MB None None documents None 1442125795574723587187 /docs/en/user-guide/UM10411.pdf 1145000 /docs/en/user-guide/UM10411.pdf UM10411 documents N 2015-09-12 120 Watt notebook adapter with TEA1752T and TEA1791T /docs/en/user-guide/UM10411.pdf /docs/en/user-guide/UM10411.pdf User Guide N 132339537837198660 2022-12-07 pdf en Oct 19, 2010 132339537837198660 User Guide Y N 120 Watt notebook adapter with TEA1752T and TEA1791T 5 1.0 English 1442125155499663311703 PSP 443.0 KB None None documents None 1442125155499663311703 /docs/en/user-guide/UM10403.pdf 443000 /docs/en/user-guide/UM10403.pdf UM10403 documents N 2015-09-12 90 Watt notebook adapter with TEA1752T and TEA1791T /docs/en/user-guide/UM10403.pdf /docs/en/user-guide/UM10403.pdf User Guide N 132339537837198660 2022-12-07 pdf en May 28, 2010 132339537837198660 User Guide Y N 90 Watt notebook adapter with TEA1752T and TEA1791T 6 1.1 English 1442125670679713694884 PSP 781.0 KB None None documents None 1442125670679713694884 /docs/en/user-guide/UM10391.pdf 781000 /docs/en/user-guide/UM10391.pdf UM10391 documents N 2015-09-12 90 Watt notebook adapter with TEA1751T and TEA1791T /docs/en/user-guide/UM10391.pdf /docs/en/user-guide/UM10391.pdf User Guide N 132339537837198660 2022-12-07 pdf en Apr 20, 2010 132339537837198660 User Guide Y N 90 Watt notebook adapter with TEA1751T and TEA1791T false 0 TEA1791T downloads en true 1 Y PSP Application Note 1 /docs/en/application-note/AN10781.pdf 2015-09-12 1442088856303710115238 PSP 2 Feb 9, 2009 Application Note None /docs/en/application-note/AN10781.pdf English documents 70000 None 645036621402383989 2022-12-07 /docs/en/application-note/AN10781.pdf GreenChip SR TEA1791 integrated synchronous rectification controller /docs/en/application-note/AN10781.pdf documents 645036621402383989 Application Note N en None Y pdf 1.0 N GreenChip SR TEA1791 integrated synchronous rectification controller 70.0 KB AN10781 N 1442088856303710115238 Data Sheet 1 /docs/en/data-sheet/TEA1791T.pdf 2012-05-28 1442055782041704867946 PSP 1 Jun 7, 2010 Data Sheet None /docs/en/data-sheet/TEA1791T.pdf English documents 242339 None 980000996212993340 2022-12-07 /docs/en/data-sheet/TEA1791T.pdf GreenChip synchronous rectifier controller /docs/en/data-sheet/TEA1791T.pdf documents 980000996212993340 Data Sheet N en None pdf 2.0 N GreenChip synchronous rectifier controller TEA1791T 242.3 KB TEA1791T N 1442055782041704867946 User Guide 4 /docs/en/user-guide/UM10444.pdf 2015-09-12 1442125780123733670040 PSP 3 Apr 4, 2011 User Guide None /docs/en/user-guide/UM10444.pdf English documents 993000 None 132339537837198660 2022-12-07 /docs/en/user-guide/UM10444.pdf 90 W notebook adapter with TEA1753, TEA1703 and TEA1791 /docs/en/user-guide/UM10444.pdf documents 132339537837198660 User Guide N en None Y pdf 1.0 N 90 W notebook adapter with TEA1753, TEA1703 and TEA1791 993.0 KB UM10444 N 1442125780123733670040 /docs/en/user-guide/UM10411.pdf 2015-09-12 1442125795574723587187 PSP 4 Oct 19, 2010 User Guide None /docs/en/user-guide/UM10411.pdf English documents 1145000 None 132339537837198660 2022-12-07 /docs/en/user-guide/UM10411.pdf 120 Watt notebook adapter with TEA1752T and TEA1791T /docs/en/user-guide/UM10411.pdf documents 132339537837198660 User Guide N en None Y pdf 1.0 N 120 Watt notebook adapter with TEA1752T and TEA1791T 1.1 MB UM10411 N 1442125795574723587187 /docs/en/user-guide/UM10403.pdf 2015-09-12 1442125155499663311703 PSP 5 May 28, 2010 User Guide None /docs/en/user-guide/UM10403.pdf English documents 443000 None 132339537837198660 2022-12-07 /docs/en/user-guide/UM10403.pdf 90 Watt notebook adapter with TEA1752T and TEA1791T /docs/en/user-guide/UM10403.pdf documents 132339537837198660 User Guide N en None Y pdf 1.0 N 90 Watt notebook adapter with TEA1752T and TEA1791T 443.0 KB UM10403 N 1442125155499663311703 /docs/en/user-guide/UM10391.pdf 2015-09-12 1442125670679713694884 PSP 6 Apr 20, 2010 User Guide None /docs/en/user-guide/UM10391.pdf English documents 781000 None 132339537837198660 2022-12-07 /docs/en/user-guide/UM10391.pdf 90 Watt notebook adapter with TEA1751T and TEA1791T /docs/en/user-guide/UM10391.pdf documents 132339537837198660 User Guide N en None Y pdf 1.1 N 90 Watt notebook adapter with TEA1751T and TEA1791T 781.0 KB UM10391 N 1442125670679713694884 true Y Products

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Application Note (1)
Data Sheet (1)
User Guide (4)

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