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Overview

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.

Applications
- AMOLED Bias in Portable Device

Features

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

Order Information
Ordering No. Vout(V) Package
WD3102C-15/TR N/A CSP-15L
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