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ST LD1117AS33TR 3.3V LDO Regulator LD1117AS33TR
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- ST(STMicroelectronics) LD1117AS33TR
- Type
- ST
- Unit
- Electronic Component
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- 1.3V@(1A)
- Electronic Component
- ST(STMicroelectronics)
- Electronic Component
- 100uVrms
- Electronic Component
- LD1117AS33TR
- Electronic Component
- 1
- Package
- SOT-223-4
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.22g
- Electronic Component
- 1
- Electronic Component
- BM0000285167
- Operating Temperature
- 0℃~+125℃@(Tj)
- Operating Voltage
- 10V
- Output
- Electronic Component
- Output Voltage
- 3.3V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LD1117AS33TR 产品概述
概览
LD1117AS33TR是一款高性能的线性稳压器（LDO），由意法半导体（STMicroelectronics）生产。这款稳压器具有固定输出电压3.3V，并能够在最大输入电压达15V的情况下，提供高达1A的输出电流。LD1117系列稳压器以其卓越的电源管理能力、优秀的电流输出稳定性和广泛的应用适用性，成为众多电子设计工程师的选择。
主要参数
- 最大输入电压：15V
- 输出电流：1A
- 输出电压：固定值3.3V
- 压降（最大值）：1.3V @ 1A
- 工作温度范围：0℃至125℃（结温TJ）
- 静态电流（Iq）：10mA
- 电源纹波抑制率（PSRR）：75dB（120Hz）
- 保护功能：过流保护和超温保护
- 封装类型：SOT-223，表面贴装型
产品特点
高效能输出：LD1117AS33TR提供的3.3V固定输出电压在广泛的负载条件下保持稳压，适用于多种电源管理应用，如数字电路和模拟电路。
优越的PSRR：具备75dB的纹波抑制比（PSRR），使其在不稳定电源条件下也能够有效降低输出电压中的纹波，通过降低电源噪声，增强整个系统的稳定性。
低压降：产品的最大压降仅为1.3V，使其在供电条件有限的情况下仍能够高效工作，大大增强了电源的实际应用灵活性。
宽工作温度范围：其工作温度范围为0℃到125℃，使得该稳压器能够在严苛的环境条件下稳定运行，适用于工业控制设备、通信设备和消费电子。
过流保护与超温保护：该稳压器内置了过流保护和超温保护功能，能够有效防止在异常工作条件下出现的损坏，确保了电子设备的安全性和可靠性。
应用场景
LD1117AS33TR的高效性能与安全保护功能使其广泛应用于：
- 消费电子：如智能手机、平板电脑和便携式设备等，提供稳定的电源支持。
- 通信设备：办公室和工业环境中的路由器、交换机等网络设备。
- 工业自动化：用于工控设备中的电源管理，为各种传感器和控制系统提供电源。
- 汽车电子：在汽车电子系统中当作电源稳压器，为导航系统、音响系统和车载计算机提供可靠电源。
结论
LD1117AS33TR是一款出色的线性稳压器，以其高输出效率、优良的电源管理能力和广泛的应用适用性赢得了广泛的市场欢迎。无论是在消费电子、通信设备还是工业控制等领域，都能够为用户提供稳定和可靠的电源解决方案。其卓越的保护特性和宽工作温度范围，更是确保了在各种工作环境下的安全运行，是现代电子设计中的理想选择。
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