WMSIC Electronic Components

HOLTEK(台湾合泰/盛群) HT7550-2

ModelHT7550-2
PackageSOT-89-3
BrandHOLTEK
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HOLTEK(Holtek / Holtek) HT7550-2
Type
HOLTEK
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
25mV@(1mA)
Electronic Component
HOLTEK(Holtek / Holtek)
Electronic Component
HT7550-2
Electronic Component
1
Package
SOT-89-3
Electronic Component
Linear Regulator(LDO)
Electronic Component
0.04g
Electronic Component
1
Electronic Component
BM0093065467
Operating Temperature
40℃~+85℃@(Ta)
Operating Voltage
30V
Output
Electronic Component
Output Voltage
5V
Output Current
150mA
Output Type
Electronic Component

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

HT7550-2 产品概述

简介

HT7550-2是由台湾合泰(Holtek)生产的一款线性稳压器(LDO),其设计目的是提供稳定的电压输出,以满足各种电子设备的需求。这款稳压器的特性包括固定的输出电压为5V,最大输出电流为150mA,并支持高达30V的输入电压。HT7550-2采用SOT-89-3封装,适合于空间有限的应用场景。

工作原理

线性稳压器的基本原理是通过内部的反馈机制,将输入电压调整至一个稳定的输出电压。在HT7550-2中,输入电压范围广泛,从高出输出电压的30V(最大输入电压为30V),可以处理一定的电压波动,而不至于导致输出电压的不稳定。输出电流的最大限制为150mA,适合大多数低功耗电子设备。

通过对输入电流的控制,HT7550-2能够在保持功率效率的同时,降低电源噪声与电流的瞬态反应能力。这使得该产品在供电的稳定性方面表现出色,尤其是在对电压噪声敏感的应用中。

主要特性

  1. 固定输出电压:输出电压为5V,减少了电路设计的复杂性,避免使用额外的分压元件。

  2. 宽输入电压范围:支持30V的最大输入电压,使其适合应用在多种环境中。

  3. 输出电流能力:最大150mA的输出电流,适用于低功耗设备,如传感器、单片机等。

  4. 小型封装:采用SOT-89-3封装,体积小巧,方便在空间受限的电路板上使用。

  5. 低噪声与低纹波:相较于开关稳压器,LDO具有更低的输出噪声,能够更好地保护与敏感接收电路相连的元件。

  6. 简单的外部电路设计:HT7550-2使用简单的旁路电容器即可稳定工作,简化了设计过程。

应用场景

HT7550-2广泛应用于各种电子设备,尤其是在对电压要求较为严格的领域,包括但不限于:

  • 消费电子:如智能手机、平板电脑等便携式设备,需求稳定的5V供电。

  • 嵌入式系统:在微控制器和FPGA供电时,由于其独特的性能,适合嵌入式应用。

  • 传感器供电:为温湿度传感器、气体传感器等提供低功耗、低噪声的电源解决方案。

  • 自动化设备:在工业自动化中,传感器和控制器需要稳定的电源供应。

设计注意事项

在使用HT7550-2时,设计工程师需要注意几个关键因素:

  1. 输入电压选择:应确保输入电压在推荐范围内,以避免器件损坏或不稳定工作。

  2. 散热设计:虽然HT7550-2是一款高效能的线性稳压器,但在高输入低输出差的情况下,仍需要考虑其热管理,合理设计散热。

  3. 旁路电容:推荐在输出端添加旁路电容,以减少输出噪声并提高瞬态响应。

  4. 负载变化:在设计电路时,需注意负载变化可能引起的电压波动,适当选择输出电容。

总结

HT7550-2由HOLTEK(台湾合泰)制造,作为一款功能强大的线性稳压器,凭借其卓越的电源稳定性、宽输入范围与紧凑的封装设计,成为了现代电子设备中不可或缺的电源解决方案之一。无论是在消费电子产品、嵌入式系统,还是在工业控制与自动化设备中,HT7550-2均展现出了其优越的性能和适应性,是电子产品设计工程师的理想选择。

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