Document
FEATURES
n Output Stages Operate Antiphase n ±1% Output Voltage Accuracy n 6-Bit IMVP-IV VID Code: VOUT = 0.7V to 1.708V n Intel Compatible Power Saving Mode (PSIB) n Stage Shedding Improves Low Current Efficiency n Power Good Output with Adaptive Masking n Lossless Voltage Positioning n Dual Input Supply Capability for Load Sharing n Resistor Programmable VOUT at Boot-Up and Deeper
Sleep State n Resistor Programmable Deep Sleep Offset n Programmable Fixed Frequency: 210kHz to 550kHz n Adjustable Soft-Start Current Ramping n Foldback Output Current Limit n Short-Circuit Shutdown Timer with Defeat Option n Overvoltage Protection n Available in 36-Lead SSOP (0.209 Wide) and 38-Lead
(5mm × 7mm) Packages
APPLICATIONS
n Mobile and Desktop Computers n Internet Servers
LTC3735 2-Phase, High Efficiency
DC/DC Controller for Intel Mobile CPUs
DESCRIPTION
The LTC®3735 is a 2-phase synchronous step-down switching regulator controller that drives all N-channel power MOSFETs in.