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2-Channel LCD Panel Bias Supply with Single Inductor

        • Input voltage range (2.7V to 5.5V)

        • Dual output regulator with single inductor

        • High efficiencyabove 85%

        • Charge pump with PFM mode at light load

        • Programmable output voltages

        • Positive output voltage range

          • +3.2V to +6.4V (12.5mV/step)
        • Negative output voltage range

          • -3.2V to -6.4V (12.5mV/step)
        • Programmable regulator offset voltage

        • 1.5% output voltage accuracy

        • Regulated output current up to 80mA

        • Programmable active discharge

        • I2C compatible interface

        • 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 I2C 80mA 3.2V~6.4V, 3.2V~-6.4V, 12.5mV-steps 1.5% 6uA WLCSP-15 2.2x1.45-15, TDFN 3x2.5-14


Typical Application Diagram