TPS65138A - Texas Instruments

TPS65138A Dual output AMOLED Display Power Supply

The TPS65138 is designed to drive AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring positive and negative supply rails. The device integrates boost converter and inverting buck boost converter designed suitable for battery operated products. The digital control pin (CTRL) allows programming the negative output voltage in digital steps. T.

Features

1
• 2.9V to 4.5V Input Voltage Range
• 0.8% Output Voltage Accuracy VPOS
• Excellent Line Transient Regulation
• 300mA Output Current
• Fixed 4.62V Positive Output Voltage
• Digitally Programmable VNEG
  – TPS65138: -2.2V to -6.2V
  – TPS65138A: -2.2V to -5.2V
• -4.9V Default Value for VNEG
• Short Circuit Protection
• Thermal Hhutdown
• 3-mm × 3-mm QFN Package APPLICATIONS
• Active Matrix OLED DESCRIPTION The TPS65138 is designed to drive AMOLED displays (Active Matrix Organic Light Emitting Diode) requiring positive and negative supply rails. The device integrates boost converter and inverting.