Overview
The FAN48610BUC33X is a low-power boost regulator designed by onsemi to provide a voltage-regulated output from a standard single-cell Li-Ion battery and advanced battery chemistries. This device is part of the TinyBoost® family and is optimized for battery-powered applications, maintaining output voltage regulation even below the minimum system battery voltage. It features built-in power transistors, synchronous rectification, and low supply current, making it suitable for a variety of portable and wearable devices.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Input Voltage Range | 2.5 V to 4.8 V | V | |
| Output Voltage | 3.3 V | V | |
| Output Current | IOUT ≥ 1 A at VOUT = 3.3 V, VIN ≥ 2.5 V | A | |
| Efficiency | Up to 94% | % | |
| Switching Frequency | 2.0 to 3.0 MHz | MHz | VIN = 3.6 V, VOUT = 3.3 V, Load = 1000 mA |
| Package | 9-bump, 0.4 mm pitch, Wafer-Level Chip-Scale Package (WLCSP) | ||
| Operating Temperature | -40°C to 85°C | °C | |
| Under-Voltage Lockout (VUVLO) | 2.2 to 2.3 V | V | VIN Rising |
| Enable HIGH Voltage (VIH) | 1.05 V | V | |
| Enable LOW Voltage (VIL) | 0.4 V | V |
Key Features
- Internal Synchronous Rectification
- Soft-Start with True Load Disconnect
- Short-Circuit Protection
- Low Supply Current
- Three External Components Required: 2016 0.47 μH Inductor, 0603 Case Size Input / Output Capacitors
- Total Application Board Solution Size: < 11 mm^2
Applications
- Class-D Audio Amplifier and USB OTG Supply
- Boost for Low-Voltage Li-Ion Batteries
- Smart Phones, Tablets, Portable Devices, Wearables
Q & A
- What is the input voltage range of the FAN48610BUC33X?
The input voltage range is from 2.5 V to 4.8 V.
- What is the output voltage of the FAN48610BUC33X?
The output voltage is fixed at 3.3 V.
- What is the maximum output current of the FAN48610BUC33X?
The maximum output current is ≥ 1 A at VOUT = 3.3 V, VIN ≥ 2.5 V.
- What is the efficiency of the FAN48610BUC33X?
The efficiency is up to 94%.
- What is the switching frequency of the FAN48610BUC33X?
The switching frequency is between 2.0 to 3.0 MHz.
- What package type is the FAN48610BUC33X available in?
The device is available in a 9-bump, 0.4 mm pitch, Wafer-Level Chip-Scale Package (WLCSP).
- What are the operating temperature ranges for the FAN48610BUC33X?
The operating temperature range is from -40°C to 85°C.
- What is the under-voltage lockout (VUVLO) threshold for the FAN48610BUC33X?
The VUVLO threshold is between 2.2 to 2.3 V.
- What are some typical applications of the FAN48610BUC33X?
Typical applications include Class-D Audio Amplifier and USB OTG Supply, boost for low-voltage Li-Ion batteries, smart phones, tablets, portable devices, and wearables.
- What are the key features of the FAN48610BUC33X?
Key features include internal synchronous rectification, soft-start with true load disconnect, short-circuit protection, low supply current, and a compact application board solution size.
