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KTD2151B

2-Channel LCD Panel Bias Supply with Single Inductor

Features Download Datasheet PDF

        • 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

        • Positive output voltage range

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

          • -4.0V to -6.3V (100mV/step)
        • Programmable regulator offset voltage

        • 1.0% output voltage accuracy

        • Regulated output current up to 80mA

        • Programmable active discharge

        • I2C compatible interface

        • 100nA shutdown current

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

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

Applications

  • 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
(SDA=SCL=1.8V)
Package
2.7 5.5 I2C 80mA 4.0~6.3V, -4.0~-6.3V, 100mV-steps 1.5% 100nA WLCSP-15 2.2x1.45-15, TDFN 3x2.5-14

 

Typical Application Diagram

KTD2151B

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