Overview
The FAN53200UC44X is a digitally programmable step-down switching voltage regulator produced by Fairchild Semiconductor, now part of onsemi. This regulator is part of the TinyBuck® series and is designed to deliver high efficiency and flexibility in power management. It features a compact 20-bump Wafer-Level Chip Scale Package (WLCSP) with dimensions of 1.96x1.56 mm, making it ideal for space-constrained applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Fairchild Semiconductor (onsemi) |
| Series | TinyBuck® |
| Package / Case | 20-UFBGA, WLCSP (1.96x1.56 mm) |
| Function | Step-Down |
| Topology | Buck |
| Output Type | Programmable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Voltage - Output (Max) | 1.39V |
| Current - Output | 5A |
| Frequency - Switching | 2.4MHz |
| Synchronous Rectifier | Yes |
| Mounting Type | Surface Mount |
| Operating Temperature | - (Refer to datasheet for specific temperature range) |
Key Features
- Digitally programmable output voltage from 0.6V to 1.3875V in 12.5mV steps
- High efficiency with synchronous rectification
- Fixed-frequency operation at 2.4MHz and Pulse Frequency Modulation (PFM) mode for low power consumption
- Internal soft-start and input under-voltage lockout (UVLO)
- Thermal shutdown and overload protection
- I2C-compatible interface up to 3.4Mbps
- Low quiescent current in PFM mode (60µA typical)
- Best-in-class load transient response
Applications
The FAN53200UC44X is suitable for a variety of applications, including:
- Graphic and DSP processors
- Embedded processing in edge computing, Internet of Things (IoT), industrial and medical IoT
- Electric vehicles (EVs) and autonomous cars
- Any system requiring high-efficiency, compact, and programmable power management
Q & A
- What is the FAN53200UC44X?
The FAN53200UC44X is a digitally programmable step-down switching voltage regulator from Fairchild Semiconductor.
- What is the input voltage range of the FAN53200UC44X?
The input voltage range is from 2.5V to 5.5V.
- What is the maximum output current of the FAN53200UC44X?
The maximum output current is 5A.
- What is the switching frequency of the FAN53200UC44X?
The switching frequency is 2.4MHz.
- Does the FAN53200UC44X have synchronous rectification?
Yes, it does have synchronous rectification.
- What is the package type of the FAN53200UC44X?
The package type is 20-UFBGA, WLCSP (1.96x1.56 mm).
- What are the key features of the FAN53200UC44X?
Key features include digitally programmable output voltage, high efficiency, fixed-frequency operation, internal soft-start, and thermal shutdown.
- What applications is the FAN53200UC44X suitable for?
It is suitable for graphic and DSP processors, edge computing, IoT, industrial and medical IoT, electric vehicles, and autonomous cars.
- How does the FAN53200UC44X manage power consumption in low-load conditions?
In low-load conditions, it can operate in PFM mode to reduce power consumption.
- Does the FAN53200UC44X have protection features?
Yes, it includes thermal shutdown and overload protection.
