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2-Channel LCD Panel Bias Supply with Single Inductor

            • Wide input voltage range (2.7V to 5.5V)

            • Dual output regulator with single inductor

            • High efficiency above 85%

            • Charge pump with PFM mode at light load

            • Programmable output voltages with external resistors

            • Positive output voltage range

              • +4.0V to +6.3V (100mV/step)
            • Negative output voltage rangerange

              • -4.0V to -6.3V (100mV/step)
            • 1.5% output voltage accuracy

            • Regulated output current up to 80mA

            • Active output discharge when disabled

            • Integrated compensation and feedback circuits

            • 1 µA shutdown supply current

            • Pb-free WLCSP-15 and TDFN-14 packages

            • -40°C to +85°C Temperature Range


  • Smartphone TFT-LCD

  • Tablet TFT-LCD

  • General Dual Power Supply Applications

Key Electrical Specifications

Vin(Min) Vin(Max) Control Max. Current per Channel Vout Accuracy IQ shutdown
2.7 5.5 Resistor programmable 80mA 4.8~5.5V, -4.8~-5.5V, 100mV-steps 1.5% 1uA WLCSP-15 2.2x1.45-15, TDFN 3x2.5-14


Typical Application Diagram