Description

150V Low IQ, Synchronous Step-Down DC/DC Controller Features: Wide VIN Range: 4V to 140V (150V Abs Max) Wide Output Voltage Range: 0.8V to 60V Adjustable Gate Drive Level: 5V to 10V (OPTI-DRIVE) Low Operating IQ: 40μA (Shutdown = 10μA) 100% Duty Cycle Operation No External Bootstrap Diode Required Selectable Gate Drive UVLO Thresholds Onboard LDO or External NMOS LDO for DRVCC EXTVCC LDO Powers Drivers from VOUT Phase-Lockable Frequency (75kHz to 850kHz) Programmable Fixed Frequency (50kHz to 900kHz) Selectable Continuous, Pulse-Skipping or Low Ripple Burst Mode® Operation at Light Loads Adjustable Burst Clamp and Current Limit Adjustable or Fixed (5V/3.3V) Output Voltage Power Good Output Voltage Monitor Programmable Input Overvoltage Lockout 38-Lead TSSOP High Voltage Package