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TEA2095T データシート(PDF) 1 Page - NXP Semiconductors

部品番号. TEA2095T
部品情報  GreenChip dual synchronous rectifier controller
ダウンロード  19 Pages
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メーカー  NXP [NXP Semiconductors]
ホームページ  http://www.nxp.com
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TEA2095T Datasheet(HTML) 1 Page - NXP Semiconductors

 
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TEA2095T
GreenChip dual synchronous rectifier controller
Rev. 1.1 — 10 April 2020
Product data sheet
1 General description
The TEA2095T is a new synchronous rectifier (SR) controller IC for switched-mode
power supplies. It incorporates an adaptive gate drive method for maximum efficiency at
any load.
The TEA2095T is a dedicated controller IC for synchronous rectification on the
secondary side of resonant converters. It has two driver stages for driving the SR
MOSFETs, which rectify the outputs of the central tap secondary transformer windings.
The two gate driver stages have their own sensing inputs and operate independently.
The TEA2095T is optimized for efficient operation with very low-ohmic MOSFETs and
switching at high frequencies.
The TEA2095T is fabricated in a silicon-on-insulator (SOI) process.
2 Features and benefits
2.1 Efficiency features
Adaptive gate drive for maximum efficiency at any load
Supply current in energy save operation of 90 μA
Regulation level of −25 mV for driving low-ohmic MOSFETs
2.2 Application features
Wide supply voltage range from 4.5 V to 38 V
Dual synchronous rectification for LLC resonant
Supports 5 V operation with logic level SR MOSFETs
Differential inputs for sensing the drain and source voltages of each SR MOSFET
SO8 package with exposed die pad
Discharge of the output capacitor after mains disconnect
2.3 Control features
SR control without minimum on-time
Adaptive gate drive for fast turn-off at the end of conduction
Undervoltage lockout (UVLO) protection with active gate pull-down
Interlock function to prevent simultaneous conduction of the external MOSFETs
Supports 1 MHz switching frequency


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