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Converters | FAN4868UC33X
概览
The FAN4868 is a low−power boost regulator designed to provide a regulated 3.3 V output from a single cell Lithium or Li−Ion battery. Output voltage options are fixed at 3.3 V with a guaranteed maximum load current of 200 mA at VIN = 2.3 V and 300 mA at VIN = 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 FAN4868 ideal for battery powered applications.The FAN4868 is available in 6−bump 0.4 mm pitch Wafer−Level Chip Scale Package (WLCSP).
- Powering 3.3 V Core Rails
- PDAs, Portable Media Players
- Cell Phones, Smart Phones, Portable Instruments
- PDAs, Portable Media Players
- Cell Phones, Smart Phones, Portable Instruments
- Operates with Few External Components:1 μH Inductor and 0402 Case Size Input and Output Capacitors
- Input Voltage Range from 2.3 V to 3.2 V
- Fixed 3.3 V Output Voltage Options
- Maximum Load Current >150 mA at VIN = 2.3 V
- Maximum Load Current 300 mA at VIN = 2.7 V, VOUT = 3.3 V
- 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−Bump WLCSP, 0.4 mm Pitch
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