SC283中文资料Dual Channel 2.5MHz, 1.8A Synchronous Step-Down Regulator数据手册Semtech规格书

描述 Description

The SC283 is a dual channel 1.8A synchronous step-down regulator designed to operate with an input voltage range of 2.9 to 5.5 Volts. Each channel offers fifteen pre-determined output voltages via four control pins programmable from 0.8 to 3.3 Volts.

特性 Features

·VIN Range: 2.9 - 5.5V
·VOUT Selectable: 0.8 - 3.3V
·Up to 1.8A Output Current for Each Channel
·Ultra-Small Footprint, <1mm Height Solution
·2.5MHz Switching Frequency
·Efficiency Up to 93%
·Low Output Noise Across Load Range
·Excellent Transient Response
·Start Up into Pre-Bias Output
·100% Duty-Cycle Low Dropout Operation
·<1μA Shutdown Current
·Internal Soft Start
·Input Under-Voltage Lockout
·Output Over-Voltage, Current Limit Protection
·Over-Temperature Protection
·Adjustable Output Voltage
·2mm x 3mm x 0.8mm thermally enhanced
·MLPQ-W18 package
·-40 to +85°C Temperature Range
·Pb-Free product. RoHS/WEEE and Halogen Free compliant

应用 Application

·Desktop Computing
·Set-Top Box
·LCD TV
·Network Cards
·Printer