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Overview

WD1071VA is a synchronous step-down DC-DC converter optimized for high efficiency and compact solution size. The device integrates switches capable of delivering output current up to 1 A. At the whole load range, the device operates in quasi fixed frequency constant on time mode with 1.5 MHz switching frequency. In shutdown, the current consumption is reduced to less than 2 μA.

An internal soft start circuit limits the inrush current during startup. Other features like over current protection and thermal shutdown protection are built-in.

The WD1071VA is available in SOT-563 package. Standard product is Pb-free and Halogen-free.

Applications
- General Purpose POL Supply
- Set Top Box
- Network Video Camera
- Wireless Router
- Solid State Driver / Hard Disk Driver

Features

Input voltage range of 2.5 V to 5.5 V

Forced PWM to Reduce Output Voltage Ripple

Up to 95% Efficiency

Integrate 125 mΩ (High Side) / 65 mΩ (Low Side)
Low RDS(ON) Power MOSFETs

Adjustable Output Voltage from 0.6 V to VIN

100% Duty Cycle for Lowest Dropout

1.5 MHz Typical Switching Frequency

Over-current protection and Hiccup

Thermal Shutdown Protection

Order Information
Ordering No. Vout(V) Package
WD1071VA-6/TR N/A SOT-563
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