The FAN4860 is a low-power boost regulator designed to provide a regulated 3.3 V, 5.0 V or 5.4 V output from a single cell Lithium or Li-Ion battery. Output voltage options are fixed at 3.3 V, 5.0 V, or 5.4 V with a guaranteed maximum load current of 200 mA at V=3.3 V. Input current in Shutdown Mode is less than 1 µA, which maximizes battery life.Light-load PFM operation is automatic and “glitch-free”. The regulator maintains output regulation at no-load with as low as 37 µA quiescent current.The combination of built-in power transistors, synchronous rectification, and low supply current make the FAN4860 ideal for battery powered applications.The FAN4860 is available in 6-bump 0.4 mm pitch Wafer-Level Chip Scale Package (WLCSP) and a 6-lead 2x2 mm ultra-thin MLP package.
●Features
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● Operates with Few External Components: 1 µH Inductor and 0402 Case Size Input and Output Capacitors
● Input Voltage Range from 2.3 V to 5.4 V
● Fixed 3.3 V, 5.0 V, or 5.4 V Output Voltage Options
● Maximum Load Current >150 mA at VIN=2.3 V
● Maximum Load Current 300 mA at VIN=3.3 V, VOUT=5.4 V
● Maximum Load Current 300 mA at VIN=3.3 V, VOUT=5.0 V
● Maximum Load Current 300 mA at VIN=2.7 V, VOUT=3.3 V
● Up to 92% Efficient
● Low Operating Quiescent Current
● True Load Disconnect During Shutdown
● Variable On-time Pulse Frequency Modulation (PFM) with Light-Load Power-Saving Mode
● Internal Synchronous Rectifier (No External Diode Needed)
● Thermal Shutdown and Overload Protection
● 6-Pin 2 x 2 mm UMLP
● 6-Bump WLCSP, 0.4 mm Pitch
