TPS65130RGE

正，负输出DC- DC转换器 POSITIVE AND NEGATIVE OUTPUT DC-DC CONVERTER

DESCRIPON

The TPS65130/1 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.

FEATURES

• 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

• 2.7-V to 5.5-V Input Voltage Range

• Minimum 1.25-MHz Fixed Frequency PWM Operation

• Thermal Shutdown

• Overvoltage Protection on Both Outputs

• 1-µA Shutdown Current

• Small 4 mm x 4 mm QFN-24 Package RGE

APPLICATIONS

• Small to Medium Size OLED Displays

• TFT LCD and CCD Bias Supply

• PDAs, Pocket PCs, Smartphones

• Digital Cameras

• Camcorders