TPS65137AS - Texas Instruments

TPS65137AS 250mA Dual Outputs AMOLED Display Power Supply

The TPS65137AS is designed to drive AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring positive and negative voltage supply rails. The device integrates a boost converter with LDO post regulator and an inverting buckboost converter suitable for battery operated products. The digital control pin (CTRL) allows programming the negative outpu.

Features

1
• 2.5 V to 4.8 V Input Voltage Range
• 0.8% Output Voltage Accuracy VPOS
• Excellent Line Transient Regulation
• 250 mA Output Current
• Fixed 4.6 V VPOS Output Voltage
• Digitally Programmable VNEG,
  –2.2V to
  –5.2V
•
  –4.9V Default Value for VNEG
• Short Circuit Protection
• Thermal Shutdown
• 3mm × 3mm 10-Pin QFN Package DESCRIPTION The TPS65137AS is designed to drive AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring positive and negative voltage supply rails. The device integrates a boost converter with LDO post regulator and an inverting buckboost converter suitable f.