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Product Detailed Parameters
- Description：IC REG BOOST PROG 1.5A 16WLCSP
- Series：TinyBoost®
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Up
- Output Configuration：Positive
- Topology：Boost
- Output Type：Programmable
- Number of Outputs：1
- Voltage - Input (Min)：2.35V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：-
- Voltage - Output (Max)：-
- Current - Output：1.5A (Switch)
- Frequency - Switching：2.5MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：-
- Supplier Device Package：16-WLCSP
- Grade：-
- Qualification：-
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Overview
The FAN48630BUC31JX is a synchronous step-up DC-DC converter from onsemi, operating at a fixed switching frequency of 2.5 MHz. It features an integrated bypass mode for direct battery connection applications. The device supports an input voltage range from 2.35 V to 5.5 V and delivers up to 1.5 A output current. It provides regulated outputs of 3.15 V or 3.6 V depending on the specific variant configuration. The component operates within a temperature range of -40°C to +85°C and is housed in a compact 16-pin Wafer Level Chip Scale Package (WLCSP).
Feature Summary
- Integrates a synchronous boost regulator topology with high efficiency for power-constrained designs.
- Includes a dedicated bypass mode allowing direct connection to Li-Ion batteries when the load is minimal.
- Utilizes a small footprint WLCSP package to minimize PCB area requirements.
Applications
- Portable consumer electronics powered by single-cell lithium-ion batteries
- Mobile communication devices requiring efficient voltage boosting
- Battery-operated handheld instruments
Procurement Notes
Verify the exact suffix designation against the manufacturer's latest datasheet to confirm output voltage options and pinout compatibility. Confirm availability status as distribution channels may list end-of-life or obsolete stock. Ensure the selected package matches the target PCB footprint specifications before finalizing procurement orders.
Selection Notes
Select this component for applications requiring a compact solution with low quiescent current and high efficiency. Compare input voltage ranges and maximum output current capabilities against system load requirements. Evaluate thermal performance constraints associated with the WLCSP package in the intended enclosure environment.
Part Context
This part belongs to the TinyBoost family of synchronous regulators designed for portable electronics. It complements other variants in the series that offer different output voltages or switching frequencies. The family focuses on minimizing board space while maintaining robust performance for battery-powered systems.
Replacement Considerations
Direct substitutes include other FAN48630 variants such as FAN48630UC33X or FAN48630UC50X, which share the same package and core functionality but differ in fixed output voltage settings. Verify electrical parameters match the specific circuit design requirements before substitution.
