Description

No RSENSE Current Mode Synchronous Step-Down Switching Regulator Features: Highest Efficiency Current Mode Controller No Sense Resistor Required Stable High Current Operation Dual N-Channel MOSFET Synchronous Drive Wide VIN Range: 3.7V to 36V Wide VOUT Range: 1.19V to VIN ±1% 1.19V Reference Programmable Fixed Frequency with Injection Lock Very Low Drop Out Operation: 99% Duty Cycle Forced Continuous Mode Control Pin Optional Programmable Soft Start Pin Selectable Output Voltage Foldback Current Limit Output Overvoltage Protection Logic Controlled Micropower Shutdown: IQ < 30µA Available in 16-Lead Narrow SSOP and SO Packages