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Product Detailed Parameters
- Description：IC REG BOOST 3.15V/3.33V 16WLCSP
- Series：-
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Function：Step-Up
- Output Configuration：Positive
- Topology：Boost
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：2.35V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：3.15V, 3.33V
- Voltage - Output (Max)：-
- Current - Output：1.5A
- Frequency - Switching：2.5MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-UFBGA, WLCSP
- Supplier Device Package：16-WLCSP (1.78x1.78)
- Grade：-
- Qualification：-
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Overview
The FAN48630UC315X is a synchronous TinyBoost regulator IC manufactured by Fairchild Semiconductor. It operates as a boost switching regulator with a fixed positive output of 3.15V or 3.33V. The device supports up to 1.5A continuous output current and features a 2.5 MHz switching frequency. It utilizes synchronous rectification for high efficiency, up to 95%. The component is housed in a 16-UFBGA, WLCSP package.
Feature Summary
- Synchronous rectification design for high efficiency
- Fixed regulated output voltage options
- Integrated bypass mode capability
Applications
- Portable electronic devices requiring compact power solutions
- Battery-powered systems needing efficient voltage boosting
- Embedded applications utilizing TinyBoost technology
Procurement Notes
Verify the specific output voltage variant (3.15V vs 3.33V) required for your application against the datasheet specifications. Confirm the package type matches your PCB footprint requirements. Ensure compatibility with the 2.5 MHz switching frequency regarding electromagnetic interference constraints. Check for any specific ordering suffixes that may indicate different thermal or electrical characteristics.
Selection Notes
Select this component when a compact synchronous boost solution is needed for low-to-medium current applications. The fixed output simplifies design compared to programmable variants. Consider the 1.5A current limit and 2.5 MHz frequency for thermal management and EMI filtering needs. Evaluate the WLCSP package suitability for space-constrained designs.
Part Context
This part belongs to the TinyBoost series from Fairchild Semiconductor, now onsemi. It is designed for portable electronics where size and efficiency are critical. The synchronous architecture distinguishes it from asynchronous counterparts, offering improved performance at higher loads.
Replacement Considerations
Check for direct pin-compatible replacements within the TinyBoost family. Verify if other variants offer different fixed voltages or current ratings while maintaining the same package. Consult manufacturer cross-reference tools for verified substitutes.
