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1FEATURES

? 2.3 V to 5.5 V Input Voltage Range

? 1% Output Voltage Accuracy VPOS

? Excellent Line Transient Regulation

? Low Noise Operation

? 200 mA Output Current

? Fixed 4.63 V Positive Output Voltage

? Digitally Programmable Negative Output

Voltage Down to –5.23V

? –4.93V Default Value for V NEG

? Advanced Power Save Mode

? Short Circuit Protection

? Thermal Shutdown

? TPS65137A High impedance output in

shutdown

? 3×3 mm 10 Pin QFN Package

APPLICATIONS

? Active Matrix OLED Power Supply

DESCRIPTION

The TPS65137 is designed to provide best in class

picture quality for AMOLED displays (Active Matrix

Organic Light Emitting Diode) requiring positive and

negative voltage supply rails. With its wide input

voltage range the device is ideally suited for

AMOLED displays, which are used in mobile phones and smart phones. With this device the input voltage

can be higher than the positive output voltage and

still maintains accurate regulation of VPOS. Using the

digital control pin (CTRL) allows adjusting the

negative output voltage in digital steps. The

TPS65137 uses a novel technology enabling

excellent line and load regulation with minimum

output voltage ripple by using a LDO post regulator

for VPOS. This is required avoiding disturbance of the

AMOLED display due to input voltage transients

occurring during transmit periods in mobile phones.