TPS53321是TI公司的一款转换器（集成开关）产品，TPS53321是具有集成 MOSFET 的 2.9V 至 6V、5A 降压转换器，本页介绍了TPS53321的产品说明、应用、特性等，并给出了与TPS53321相关的TI元器件型号供参考。
TPS53321 - 具有集成 MOSFET 的 2.9V 至 6V、5A 降压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - TI公司（Texas Instruments，德州仪器）
The TPS53321 provides a fully integrated 3-V to 5-V VIN integrated synchronous FET converter solution with 16 total components, in 200 mm2 of PCB area. Due to the low on-resistance and TI's Proprietary SmoothPWM™ Skip mode of operation, it enables 96% peak efficiency, and over 90% efficiency at loads as light as 100 mA. It requires only two 22-µF ceramic output capacitors for a power dense 5-A solution.
The TPS53321 features a 1.1-MHz switching frequency, skip mode operation support, pre-bias startup, internal softstart, output soft discharge, internal VBST switch, power good, EN/input UVLO, overcurrent, overvoltage, undervoltage and over-temperature protections and all ceramic output capacitor support. It supports supply voltage from 2.9V to 3.5V and conversion voltage from 2.9V to 6.0V, and output voltage is adjustable from 0.6V to 0.84V × VIN.
The TPS53321 is available in the 3 mm × 3 mm 16-pin QFN package (Green RoHs compliant and Pb free) and operates between –40°C and 85°C.
- 5-V Step-down Rail
- 3.3-V Step-down Rail
