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FAN4868 Datasheet(PDF) 1 Page - ON Semiconductor |
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FAN4868 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 12 page ![]() © Semiconductor Components Industries, LLC, 2017 October, 2018 − Rev. 3 1 Publication Order Number: FAN4868/D FAN4868 3 MHz, Synchronous TinyBoost) Regulator Description 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). Features • 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 • 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−Bump WLCSP, 0.4 mm Pitch Applications • Powering 3.3 V Core Rails • PDAs, Portable Media Players • Cell Phones, Smart Phones, Portable Instruments www.onsemi.com WLCSP6 0.88 x 1.23 x 0.458 CASE 567VM See detailed ordering and shipping information on page 2 of this data sheet. ORDERING INFORMATION EN SW L1 GND VIN FB VOUT C2 C1 B2 B1 A2 A1 VIN CIN 2.2 μF 1 μH 4.7 μF COUT TYPICAL APPLICATION SCALE 4:1 |
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