TPS65131 Datasheet PDF

●DESCRIPTION

●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