Synchronous Regulator with Bypass Mode, TINYBOOST, 2.5 MHz, 1500 mA FAN48630 www.onsemi.com Description The FAN48630 allows systems to take advantage of new battery chemistries that can supply significant energy when the battery voltage is lower than the required voltage for system power ICs. By combining builtin power transistors, synchronous rectification, and low supply current this IC provides a compact solution for systems using advanced LiIon battery chemistries. WLCSP16 1.78x1.78x0.586 CASE 567SY The FAN48630 is a boost regulator designed to provide a minimum output voltage from a singlecell LiIon battery, even when the battery voltage is below system minimum. Output voltage regulation MARKING DIAGRAM is guaranteed to a maximum load current of 1500 mA. Quiescent current in Shutdown Mode is less than 3 A, which maximizes battery 1 2K K life. The regulator transitions smoothly between Bypass and normal Pin1 Mark Boost Mode. The device can be forced into Bypass Mode to reduce XY Z quiescent current. The FAN48630 is available in a 16 bump, 0.4 mm pitch, 12 = Alphanumeric Device Marking WaferLevel ChipScale Package (WLCSP). KK = Lot Rune Code X = Alphabetical Year Code Features Y= 2weeks Date Code Z = Assembly Plant Code Few External Components: 0.47 H Inductor and 0603 Case Size Input and Output Capacitors ORDERING INFORMATION Input Voltage Range: 2.35 V to 5.5 V See detailed ordering and shipping information on page 2 of Fixed Output Voltage Options: 3.0 V to 5.0 V this data sheet. Maximum Continuous Load Current: 1500 mA at V of 2.6 V IN Boosting V to 3.5 V OUT Up to 96% Efficient VIN VOUT True Bypass Operation when V > V IN OUT TARGET + C Battery IN C OUT SYSTEM Internal Synchronous Rectifier 4.7 F LO AD 20 F 0.47 SoftStart with True Load Disconnect SW PGND FAN48630 VSEL Forced Bypass Mode AGND EN V Control to Optimize Target V SEL OUT PG BYP ShortCircuit Protection Low Operating Quiescent Current Figure 1. Typical Application 16Bump, 0.4 mm Pitch WLCSP These Devices are PbFree, Halogen Free/BFR Free and are RoHS Compliant Applications Boost for LowVoltage Liion Batteries, Brownout Prevention, Boosted Audio, USB OTG, and LTE / 3G RF Power Cell Phones, Smart Phones, Portable Instruments Semiconductor Components Industries, LLC, 2015 1 Publication Order Number: October, 2019 Rev. 2 FAN48630/D L1FAN48630 Table 1. ORDERING INFORMATION Output Voltage Soft Forced Operating Top (Note 1) Start Bypass Temperature Marking Part Number V /V Package Shipping SELO SEL1 40 to 85C 16Ball, 4x4 Array, Tape & Reel J5 FAN48630UC315X 3.15 / 3.33 FAST Low I Q 0.4mm Pitch, 250um J5 FAN48630BUC315X 3.15 / 3.33 FAST Low I Ball, WaferLevel Q (Note 2) ChipScale Package (WLCSP) JX FAN48630UC33X 3.30 / 3.49 FAST Low I Q JX FAN48630BUC33X 3.30 / 3.49 FAST Low I Q (Note 2) JR FAN48630BUC34X 3.20 / 3.40 FAST Low I Q (Note 2) J6 FAN48630UC35X 3.50 / 3.70 FAST Low I Q JT FAN48630UC37AX 3.70 / 3.77 FAST Low I Q J7 FAN48630UC45X 4.50 / 4.76 SLOW OCP On J8 FAN48630UC50X 5.00 / 5.29 SLOW OCP On For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. 1. Other output voltages are available on request. Please contact a ON Semiconductor representative. 2. The FAN48630BUC315X, FAN48630BUC33X and FAN48630BUC34X include backside lamination. TYPICAL APPLICATION Q3B Q3A VIN C IN Q3 Bypass Control Q1B Q1A SW VOUT Q1 C OUT Q2 Synchronous Rectifier Control GND VSEL EN Modulator Logic and Control BYP PG Figure 2. Block Diagram www.onsemi.com 2 L1