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Product Detailed Parameters
- Description：IC REG BOOST 5V 1A 9WLCSP
- Series：TinyBoost®
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Step-Up
- Output Configuration：Positive
- Topology：Boost
- Output Type：Fixed
- Number of Outputs：1
- Voltage - Input (Min)：2.5V
- Voltage - Input (Max)：4.8V
- Voltage - Output (Min/Fixed)：5V
- Voltage - Output (Max)：-
- Current - Output：1A (Switch)
- Frequency - Switching：2.5MHz
- Synchronous Rectifier：Yes
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：9-UFBGA, WLCSP
- Supplier Device Package：9-WLCSP (1.22x1.22)
- Grade：-
- Qualification：-
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Overview
The FAN48610BUC50X is a synchronous boost switching voltage regulator from the TinyBoost series by onsemi. It provides a fixed 5V output with a maximum switch current of 1A. The device operates within an input voltage range of 2.5V to 4.8V and features a switching frequency of 2.5MHz. Packaged in a 9-WLCSP (1.22x1.22mm) surface-mount format, it supports positive output configuration. The component functions across a temperature range of -40°C to +85°C and includes synchronous rectification for improved efficiency.
Feature Summary
- Synchronous boost topology for efficient step-up conversion
- Fixed 5V output regulation capability
- Compact 9-pin WLCSP package design
Applications
- Portable electronic devices requiring compact power solutions
- Battery-powered systems needing voltage step-up
- Embedded applications with limited board space
Procurement Notes
Verify the specific suffix UC50X against official datasheets to confirm pinout and electrical characteristics match your design requirements. Confirm RoHS compliance status through manufacturer documentation before integration. Check for any recent Product Change Notifications regarding packaging or material updates. Ensure compatibility with your assembly process specifications for WLCSP components.
Selection Notes
Select this component when a fixed 5V output is required from a single-cell lithium battery or similar low-voltage source. The 1A current limit suits moderate load applications. Consider the 2.5MHz frequency for balancing component size and efficiency. Verify that the 2.5V minimum input voltage aligns with your system's lowest operating battery level. The small footprint makes it suitable for space-constrained designs.
Part Context
This part belongs to onsemi's TinyBoost family of synchronous regulators. These devices are designed for portable electronics where size and efficiency are critical. The FAN48610 variant specifically offers a fixed output, distinguishing it from programmable versions in the same series. It utilizes advanced CMOS technology to achieve high performance in a minimal package.
Replacement Considerations
Check for direct replacements within the FAN48610 series with different output voltages if system requirements change. Verify pin-to-pin compatibility with other TinyBoost models before substitution. Consult onsemi for updated alternatives if this specific package becomes obsolete.
