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Boost, LDO and Inverting Charge Pump
  • SKU
  • Category
    Power Management - LCD & OLED GROUP

The WD3102 is a highly integrated Boost, LDO and inverting charge pump to generate positive and negative output voltage. The negative output voltages can be adjusted from -0.6V to -2.4V with 100 mV steps by SWIRE interface protocol. The part maintains the highest efficiency by utilizing a -0.33x/-0.5x mode fractional charge pump with automatic mode transition. With its input voltage range of 2.5V to 4.6V, WD3102 is optimized for products powered by single-cell battery and the output current up to 30 mA.

The WD3102C is available in CSP-15L package. Standard products is Pb-Free and Halogen-Free.

– AMOLED Bias in Portable Device

2.5V to 4.6V Supply Voltage Range

Shutdown Current < 1 μA

Single Wire Protocol

Fixed 4.6V Positive Voltage Output

Negative Voltage Output from -0.6V to -2.4V per 0.1V by SWIRE Pin

Auto-Mode Transition of -0.33x/-0.5x Charge Pump

Built-in Soft-Start

40 mA Maximum Output Current

Programmable Output Fast Discharge Function

High Impedance Output when IC Shutdown

UVLO, OCP, SCP, OTP, OVP Protection

  • Spec
  • Description
    2-Ch AMOLED
  • Vin Min(V)
    2, 5
  • Vin Max(V)
    4, 6
  • Input OVP(V)
  • LED Driver
    LED Driver
  • Status
  • Control Mode
  • Output Current / Current Limit(A)
    AVDD:0.08; ELVDD:0.3; ELVSS:0.4
  • Freqency (KHz)
    Charge Pump:1000
  • Output OVP(V)
  • Topology
  • PFM Mode at Light Load