Linear Technology LTC1736
5-Bit Adjustable High Efficiency Synchronous Step-Down Switching Regulator
FEATURES
s s s s DESCRIPTIO s s s s s s s s s s s U APPLICATIO S s s Dual N-Channel MOSFET Synchronous Drive Synchronizable/Programmable Fixed Frequency Wide VIN Range: 3.5V to 36V Operation 5-Bit Digital-to-Analog VOUT Selection: 0.925V to 2.00V Range with 50mV/25mV Steps OPTI-LOOPTM Compensation Minimizes COUT ±1% Output Voltage Accuracy Power Good Output Voltage Monitor Active Voltage Positioning Compatible Output Overvoltage Crowbar Protection Internal Current Foldback Latched Short-Circuit Shutdown Timer with Defeat Option Forced Continuous Control Pin Optional Programmable Soft-Start Remote Output Voltage Sense Available in 24-Lead SSOP Package The LTC®1736 is a synchronous step-down switching regulator controller optimized for CPU power. The output voltage is programmed by a 5-bit digital-to-analog converter (DAC) that adjusts the output voltage from 0.925V to 2.00V according to Intel mobile VID specifications. The 0.8V reference is compatible with future microprocessor generations.