obsidian-notes/电源/DCDC/超低噪声.md
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---
title: 超低噪声
updated: 2022-08-08 08:50:10Z
created: 2022-01-08 13:18:04Z
tags:
- ldo
- 电源
---
# TPS62913
20RMB
底噪50-200nv√Hz相对于低噪声LDO.5-8nv√Hz来说偏大但对于DCDC而言应该是很低了
噪声幅度20uVRMS相对于低噪声LDO2uVRMS来说偏大但对于DCDC而言应该是很低了
PSRR约50dB相对于低噪声LDO60-90来说偏小但对于DCDC而言应该是不小了
参见 [LDO-PLL](../LDO/LDO-PLL.md)
手册显示可用于ADC等对噪声敏感的场合
#ldo
#电源