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TPS65233-1 - 产品图解：
TPS65233-1-TPS65233-1 具有 I2C 接口的 LNB 稳压器
TPS65233-1--电源管理多通道IC(PMIC)解决方案-电源管理
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TI产品 - TPS65233-1介绍

TPS65233-1 - TPS65233-1 具有 I2C 接口的 LNB 稳压器

TPS65233-1是TI德州仪器公司的一款无产品，TPS65233-1是TPS65233-1 具有 I2C 接口的 LNB 稳压器，本站介绍了TPS65233-1的封装应用图解、特点和优点、功能等，并给出了与TPS65233-1相关的TI元器件型号供参考。

TPS65233-1 - TPS65233-1 具有 I2C 接口的 LNB 稳压器 - 无 - 电源管理多通道IC(PMIC)解决方案 - 德州仪器

产品特性
  • Complete Integration Solution for LNB and I2C
  • DiSEqC 1.x Compatible
  • Supports 9-V and 12-V Power Bus
  • Up to 1000-mA Accurate Output Current Limit Adjustable by External Resistor and I2C
  • Boost Converter With Low Rdson Internal Power Switch
  • Dedicated Enable Pin for Non-I2C Application
  • Low Noise, Low Drop Output With Push-Pull Output Stage
  • Built-In Accurate 22-kHz Tone Generator or External Pin
  • Adjustable Soft-Start and 13-V/18-V Voltage Transition Time
  • Compliant With Main Satellite Receiver Systems Specifications
  • LNB Short Circuit Dynamic Protection
  • Diagnostics for Output Voltage Level, Input Supply UVLO, and DiSEqC Tone Output
  • Cable Disconnect Diagnostic
  • Available in a 16-Pin WQFN 3.00-mm × 3.00-mm (RTE) Package
产品应用
  • Set-Top Box Satellite Receiver
  • TV Satellite Receiver
  • PC Card Satellite Receiver
产品说明

Designed for analog and digital satellite receivers, the TPS65233-1 is a monolithic voltage regulator with I2C interface, specifically to provide the 13-V/18-V power supply and the 22-kHz tone signaling to the LNB down-converter in the antenna dish or to the multi-switch box. It offers a complete solution with very low component count, low power dissipation together with simple design and I2C standard interfacing.

TPS65233-1 features high power efficiency. The boost converter integrates a 120-mΩ power MOSFET running at 1-MHz switching frequency. Drop out voltage at the linear regulator is 0.8 V to minimize power loss. TPS65233-1 provides multiple ways to generate the 22-kHz signal. Integrated linear regulator with push-pull output stage generates clean 22-kHz tone signal superimposed at the output even at zero loading. Current limit of linear regulator can be programmed by external resistor with ±10% accuracy. Full range of diagnostic read by I2C is available for system monitoring.

The part is available in a 16-pin WQFN 3.00-mm × 3.00-mm (RTE) package.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPS65233-1WQFN (16)3.00 mm × 3.00 mm
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