TPP053011

2.5-V to 5.5-V Input, 3-A Synchronous Step-Down Regulator in the SOT563 Package

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概述

The TPP05301 is an easy-to-use, high-efficiency, synchronous, step-down regulator with integrated highside and low-side MOSFETs. It provides up to 3-A output current and operates over a wide input voltage range.

The TPP05301 operates over a wide input voltage range from 2.5 V to 5.5 V with 25-µA ultra-low quiescent current. It is ideal for battery power systems due to its low quiescent current. The TPP05301 employs an adaptive- off time with a peak current control for fast loop response, simple loop design, and external components. The TPP05301 series supports power-saved mode to improve efficiency in light load operation and forced-PWM mode to maintain a fixed switching frequency and release low output ripple during all load conditions.

The TPP05301 has built-in robust protections such as thermal shutdown, UVLO, and enable (EN) control. Additionally, during the overload or short circuit condition, the cycle-by-cycle current limit and hiccup protection are provided. Thermal shutdown provides reliable and faulttolerant operation. A power good signal indicates that the output voltage is in correct regulation.

The TPP05301 is available in the SOT563 (1.6 mm*1.6 mm) package.

Status

Production
Rating

Industrial
VIN (V)

2.5~5.5
Output (V)

0.6~5.5
Max Output Current (A)

3
Temperature Range (℃)

-40 to +125
Control Mode

Adaptive-off Time Control
Package

SOT563-6

开发资源

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- 思瑞浦模拟产品选型册
  
  选型手册
  
  中文
  
  03/06/2026
- Datasheet_TPP05301
  
  数据手册
  
  英文
  
  06/18/2026
  
  2.5-V to 5.5-V Input, 3-A Synchronous Step-Down Regulator in the SOT563 Package
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- Introduction to ESD Performance of a Silicon Chip
  
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  01/19/2024
- Application Tips on ESD-EOS
  
  技术文章
  
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  01/19/2024
- Introduction to Constant-On-Time Control Topology of Buck Converter
  
  技术文章
  
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  01/19/2024