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参数资料
| 型号： | TEA1795T/N1 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | 3.90 MM, PLASTIC, MS-012, SOT96-1, SOP-8 |
| 文件页数： | 1/14页 |
| 文件大小： | 134K |
| 代理商： | TEA1795T/N1 |
1.
General description
The TEA1795T is a member of the new generation of Synchronous Rectifier (SR)
controller ICs for switched mode power supplies. Its high level of integration enables the
design of a cost-effective power supply with a minimum number of external components.
The TEA1795T 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
are rectifying the outputs of the central tap secondary transformer windings.
The two gate driver stages have their own sensing inputs and operate independently of
each other.
The TEA1795T is fabricated in a Silicon On Insulator (SOI) process.
2.
Features and benefits
2.1 Distinctive features
Accurate synchronous rectification functionality
Wide supply voltage range (8.5 V to 38 V)
Separate sense inputs for sensing the drain and source voltage of each SR MOSFET
High level of integration, resulting in a minimum external component count
High driver output voltage of 10 V to drive all MOSFET brands to the lowest RDSon
2.2 Green features
Low current consumption
High system efficiency from no load to full load
2.3 Protection features
UnderVoltage Protection (UVP)
3.
Applications
The TEA1795T is intended for resonant power supplies. In such applications, it can drive
two external synchronous rectifier MOSFETs which replace diodes for the rectification of
the voltages on the two secondary windings of the transformer. It can be used in
applications such as:
Adapters
ATX power supplies
TEA1795T
GreenChip synchronous rectifier controller
Rev. 1 — 4 November 2010
Product data sheet
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TEA1832TS/1X | 功能描述:Converter Offline Flyback Topology 36kHz ~ 130kHz 6-TSOP 制造商:nxp semiconductors 系列:GreenChip?? II 包装:剪切带（CT） 零件状态:有效 输出隔离:隔离 内部开关:无 电压 - 击穿:- 拓扑:回扫 电压 - 启动:22V 电压 - 电源（Vcc/Vdd）:10.5 V ~ 36 V 占空比:90% 频率 - 开关:36kHz ~ 130kHz 功率（W）:- 故障保护:超功率，超温，过压，短路 控制特性:- 工作温度:-40°C ~ 150°C（TJ） 封装/外壳:SC-74，SOT-457 供应商器件封装:6-TSOP 安装类型:表面贴装 标准包装:1 |
| TEA1833LTS/1H | 功能描述:IC FLYBACK SMPS CTLR 6TSOP 制造商:nxp usa inc. 系列:GreenChip?? 包装:剪切带（CT） 零件状态:在售 输出隔离:隔离 内部开关:无 电压 - 击穿:- 拓扑:反激 电压 - 启动:22V 电压 - 电源（Vcc/Vdd）:10.5 V ~ 36 V 占空比:90% 频率 - 开关:65kHz 故障保护:超功率，超温，过压，短路 控制特性:- 工作温度:-40°C ~ 150°C（TJ） 封装/外壳:SC-74，SOT-457 供应商器件封装:6-TSOP 安装类型:表面贴装 标准包装:1 |
| TEA18361LT/1J | 功能描述:Converter Offline Flyback Topology 25kHz ~ 132.5kHz 14-SO 制造商:nxp semiconductors 系列:GreenChip?? 包装:剪切带（CT） 零件状态:停产 输出隔离:隔离 内部开关:无 电压 - 击穿:- 拓扑:回扫 电压 - 启动:14.9V 电压 - 电源（Vcc/Vdd）:9.9 V ~ 30 V 占空比:- 频率 - 开关:25kHz ~ 132.5kHz 功率（W）:75W 故障保护:超功率，超温，过压 控制特性:- 工作温度:-40°C ~ 150°C（TJ） 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商器件封装:14-SO 安装类型:表面贴装 标准包装:1 |
| TEA18361T/1J | 功能描述:Converter Offline Flyback Topology 25kHz ~ 132.5kHz 14-SO 制造商:nxp semiconductors 系列:GreenChip?? 包装:剪切带（CT） 零件状态:停产 输出隔离:隔离 内部开关:无 电压 - 击穿:- 拓扑:回扫 电压 - 启动:14.9V 电压 - 电源（Vcc/Vdd）:9.9 V ~ 30 V 占空比:- 频率 - 开关:25kHz ~ 132.5kHz 功率（W）:75W 故障保护:超功率，超温，过压 控制特性:- 工作温度:-40°C ~ 150°C（TJ） 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商器件封装:14-SO 安装类型:表面贴装 标准包装:1 |
| TEA18362LT/1J | 功能描述:Converter Offline Flyback Topology 25kHz ~ 132.5kHz 8-SO 制造商:nxp semiconductors 系列:GreenChip?? 包装:剪切带（CT） 零件状态:有效 输出隔离:隔离 内部开关:无 电压 - 击穿:- 拓扑:回扫 电压 - 启动:14.9V 电压 - 电源（Vcc/Vdd）:9.9 V ~ 30 V 占空比:- 频率 - 开关:25kHz ~ 132.5kHz 功率（W）:75W 故障保护:超功率，超温，过压 控制特性:- 工作温度:-40°C ~ 150°C（TJ） 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商器件封装:8-SO 安装类型:表面贴装 标准包装:1 |
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