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UMW 78L05S
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UMW 78L05S
- Type
- UMW
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 1.7V
- Electronic Component
- UMW
- Electronic Component
- 40uV
- Electronic Component
- 78L05S
- Electronic Component
- 1
- Package
- SOT-23
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.036g
- Electronic Component
- 1
- Electronic Component
- BM0225775411
- Operating Temperature
- 20℃~+120℃@(Tj)
- Operating Voltage
- 30V
- Output
- Electronic Component
- Output Voltage
- 5V
- Output Current
- 100mA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
78L05S 线性稳压器产品概述
概要
78L05S 是由友台半导体（UMW）生产的一款高性能线性稳压器，属于LDO（Low Dropout）稳压器家族。该器件以其卓越的稳压性能、多重保护功能和广泛的应用场景而受到广泛欢迎。
基础参数
- 压差: 1.7V @ 40mA，表明在输出电流为40mA时，输入输出电压差为1.7V。
- 商品分类: 线性稳压器（LDO），适用于需要低压降和高稳定性的应用。
- 工作温度: -20℃ ~ +120℃（Tj），支持在广泛的温度范围内运行。
- 待机电流: 5.5mA，表示器件在无负载状态下的静态电流消耗。
- 最大输入电压: 30V，允许输入电压最高可达30V。
- 输出极性: 正极，提供正向输出电压。
- 输出电压: 固定5V，提供稳定的5V输出。
- 输出电流: 最大100mA，满足小功率设备的需求。
- 输出类型: 固定输出，不需要外部调整。
- 输出通道数: 1，单通道输出。
特性
- 短路保护: 当输出端短路时，器件能够自动切断输出以防止损坏。
- 热保护（TSD）: 当器件温度超过安全阈值时，会自动降低或切断输出以防止过热。
- 过流保护（OCP）: 当输出电流超过安全阈值时，器件会自动限制或切断输出以防止过流。
- 电源纹波抑制比（PSRR）: 在120Hz频率下，PSRR达到49dB，表明器件具有优秀的电源纹波抑制能力。
封装
78L05S 采用 SOT-23 封装，这是一种小型化的封装形式，适合于空间有限的应用场景。SOT-23 封装具有低-profile 和小尺寸的特点，使其在现代电子产品设计中非常受欢迎。
应用场景
- 嵌入式系统: 由于其小尺寸和低功耗，78L05S 非常适合用于嵌入式系统，如单板计算机、微控制器板等。
- 便携设备: 对于需要长时间运行且空间有限的便携设备，如智能手机、平板电脑、手持终端等，78L05S 提供了稳定的5V电源。
- 工业控制系统: 在工业控制系统中，78L05S 可以作为稳定电源模块，为各种传感器、驱动器和控制器提供可靠的电源。
- 医疗设备: 医疗设备对电源稳定性要求较高，78L05S 的高PSRR和多重保护功能使其成为医疗设备的一个理想选择。
设计考虑
在设计时，需要注意以下几点：
- 输入滤波: 为确保输入电源的质量，建议在输入端添加适当的滤波电容和电感。
- 输出滤波: 输出端也建议添加电容以进一步提高输出电压的稳定性。
- 散热: 尽管器件具有热保护功能，但在高负载或高温环境下，仍需要考虑适当的散热措施。
- 布局: 确保PCB布局合理，减少噪声和干扰。
总结
78L05S 是一款功能齐全、性能优异的线性稳压器，通过其低压降、多重保护功能和小型化封装，广泛应用于各种电子设备中。其稳定的输出电压和优秀的电源纹波抑制能力，使其成为许多设计师的首选器件。无论是在嵌入式系统、便携设备还是工业控制系统中，78L05S 都能提供可靠和高效的电源解决方案。
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