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ONSEMI FAN48630UC315X Synchronous Boost Regulator

The FAN48630 is a high-frequency synchronous boost regulator capable of delivering up to 1500 mA current from single-cell Li-ion batteries, even when the voltage drops below the system minimum. Operating at 2.5 MHz, it features a low quiescent current, internal synchronous rectifier, soft-start, and bypass modes for efficiency and fast response. Its compact 16-bump WLCSP package makes it ideal for portable devices like smartphones, tablets, and IoT sensors, providing reliable power management for boosting low-voltage batteries in compact spaces.

Authorized Distributors
Source:DigiKey
Part No:FAN48630UC315X
Stock:3000
Inv Date:06-11-2026
Price: Unit price: $2.15
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Source:DigiKey
Part No:FAN48630UC315X
Stock:23995
Inv Date:06-11-2026
Price: Unit price: $0.92
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Part No:FAN48630UC315X
Stock:2753
Inv Date:06-11-2026
Price: Unit price: $1.31
Buy/RFQ:
Part No:FAN48630UC315X
Stock:8115
Inv Date:06-11-2026
Price: N/A
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ONSEMI FAN48630UC315X Synchronous Boost Regulator Specifications:

  • Input Voltage Range: 2.35 V to 5.5 V
  • Maximum Continuous Load Current: 1500 mA
  • Operating Frequency: 2.5 MHz
  • Efficiency: Up to 96%
  • Package: 16-bump, 0.4 mm pitch WLCSP
  • Output Voltage Options: 3.0 V to 5.0 V
  • Soft-Start Time: 600 us (fast) or 1300 us (slow)
  • Quiescent Current in Shutdown: <3 nA
  • Bypass Mode Support for Vin > Vout Target
  • Reverse Leakage Current: 0.2 to 1.0 nA
  • Over-Temperature Shutdown at 150°C
  • Output Capacitance Stability at minimum 6-12 uF depending on load
  • Switching Frequency: 2.5 MHz
  • Input Voltage Tolerance: -0.3 V to 65 V
  • Output Ripple: 20-250 mVpp depending on load and conditions
  • Thermal Resistance Junction-to-Ambient: 80°C/W.

Buy the Fairchild Series TinyBoost Regulator: FAN48630UC315X

Enhance your portable device power management with the Fairchild FAN48630UC315X, a compact, high-frequency boost regulator delivering up to 1500 mA. It operates efficiently at 2.5 MHz with a small 16-bump WLCSP package, ideal for space-constrained applications. Featuring a soft-start, bypass mode, and low quiescent current, it ensures maximum battery life and robust performance for smartphones, IoT sensors, and portable electronics. Purchase online today to optimize your designs with reliable, high-performance power solutions.

Buy Fairchild FAN48630UC315X now and experience unmatched efficiency and compact power management for portable devices.

Frequently Asked Questions

Where can I buy ONSEMI FAN48630UC315X?

You can click on the BUY or RFQ button to purchase FAN48630UC315X from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part FAN48630UC315X?

You can download the FAN48630UC315X datasheet or visit the ONSEMI website for support.

Who is the manufacturer of FAN48630UC315X?

ONSEMI

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