TPS53511 - 具有集成 MOSFET 的 1.5A 降压稳压器

TPS53511是TI德州仪器公司的一款转换器（集成开关）产品，TPS53511是具有集成 MOSFET 的 1.5A 降压稳压器，本站介绍了TPS53511的封装应用图解、特点和优点、功能等，并给出了与TPS53511相关的TI元器件型号供参考。

TPS53511 - 具有集成 MOSFET 的 1.5A 降压稳压器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

The TPS53511 is an adaptive on-time D-CAP2? mode synchronous buck converter. The device is suitable for points-of-load (POL) in computing power systems, and provides a cost-effective, low component count, low standby current solution. The main control loop for the TPS53511 uses the D-CAP2? mode control providing a fast transient response with no external components. The adaptive on-time control supports seamless operation between PWM mode during heavy load conditions and reduced frequency operation during light load conditions for high efficiency.

The TPS53511 includes a proprietary circuit that enables the device to adapt to both low equivalent series resistance (ESR) output capacitors, such as POSCAP or SP-CAP, and ultra-low ESR ceramic capacitors. The device operates from 4.5-V to 18-V supply input, and from 2-V to 18-V input power supply voltage. The device features an adjustable slow start time and a power good function. It also supports pre-biased soft start. The TPS53511 is available in the 16-pin QFN

产品特性

Continuous 1.5-A Output Current
4.5-V to 18-V Supply Voltage Range
2-V to 18-V Conversion Voltage Range
DCAP2 Mode Control Enables Fast Transient Response
Low Output Ripple and Support all MLCC Output Capacitor
Skip Mode for Light Load Control
Highly Efficient Integrated FETs Optimized for Lower Duty Cycle Applications
High Efficiency, Less than 10-μA Supply Current at Shutdown
Adjustable Soft-Start Time
Support Pre-Biased Soft Start
700-kHz Switching Frequency
Cycle-By-Cycle Overcurrent Limit
Open Drain Power Good Indication
Internal Bootstrap Switch
Small 3 mm × 3 mm, 16-Pin QFN (RGT) Package

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