Vishay FX5545G005 is a 5W 1.5A DC/DC buck converter with high output power density (more than 100W/inch3).
The FX5545G005 is a programmable topology synchronized Buck converter designed for portable electronics. It supports input voltages from 2.7V to 6V and provides output voltages from 1.35V to 4.5V. It operates in PWM mode under full load and PSM mode under light load for high efficiency. The device is available in a 20-port BGA/LGA package and operates in an industrial temperature range of -40°C to +85°C.
Key features include no external components needed, low output ripple, 100% duty cycle, and a power density exceeding 100W/inch². It is suitable for applications such as point-of-load (POL) power supplies, portable computers, cameras, routers, and fiber optics.
| Input Voltage Range | 2.7V to 6V |
|---|---|
| Output Voltage | 1.35V to 4.5V |
| Output Power | 5W |
| Maximum Current | 1.5A |
| Temperature Range | -40°C to +85°C |
| Package | 20-ports BGA/LGA |
| Efficiency | High efficiency over large load range |
| Quiescent Current (PSM mode) | 200 µA |
| Soft Start Time | 43 ms |
| Operating Temperature | -40°C to +85°C |
The input voltage range is 2.7V to 6V.
The output voltage range is 1.35V to 4.5V.
The maximum output current is 1.5A.
The operating temperature range is -40°C to +85°C.