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 TPS65130

TPS65130

产品简介:具有正负(双路)输出的 800mA 升压电流,用于 OLED 和 CCD 传感器,24 QFN

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 TPS65130 产品描述

描述

The TPS6513x is dual-output DC-DC converter generating a positive output voltage up to 15 V and a negative output voltage down to –15 V with output currents in a 200-mA range in typical applications, depending on input voltage to output voltage ratio. With a total efficiency up to 85%, the device is ideal for portable battery-powered equipment. The input voltage range of 2.7 V to 5.5 V allows the devices to be powered from batteries or from fixed 3.3-V or 5-V supplies. The TPS6513x comes in a small 4-mm × 4- mm VQFN-24 package. Together with a minimum switching frequency of 1.25 MHz, the device enables designing small power supply applications because it requires only a few small external components.

The converter operates with a fixed frequency PWM control topology and, if power-save mode is enabled, it uses a pulse-skipping mode at light-load currents. It operates with only 500-?A device quiescent current. Independent enable pins allow power-up and powerdown sequencing for both outputs. The device has an internal current limit overvoltage protection and a thermal shutdown for highest reliability under fault conditions.

特性

  • 2.7-V to 5.5-V Input Voltage Range

  • Dual Adjustable Output Voltages Up to 15 V and
    Down to –15 V

  • 800-mA Typical Switch Current Limit at Boost and
    Inverter Main Switches at TPS65130

  • 2-A Typical Switch Current Limit at Boost and
    Inverter Main Switches at TPS65131

  • Up to 89% Efficiency at Positive Output
    Voltage Rail

  • Up to 81% Efficiency at Negative Output
    Voltage Rail

  • Power-Save Mode for High Efficiency at Low Load
    Currents

  • Independent Enable Inputs for Power-Up and
    Power-Down Sequencing

  • Control Output for External PFET to Support
    Completely Disconnecting the Battery

  • Minimum 1.25-MHz Fixed Frequency PWM
    Operation

  • Thermal Shutdown

  • Overvoltage Protection on Both Outputs

  • 1-?A Shutdown Current

  • Small 4-mm × 4-mm VQFN-24 Package (RGE)


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