Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
UTC LD1117AG-12-AA3-A-R LD1117AG
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UTC LD1117AG-12-AA3-A-R
- Type
- UTC
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 1V@(100mA)
- Electronic Component
- UTC
- Electronic Component
- 100uV
- Electronic Component
- LD1117AG-12-AA3-A-R
- Electronic Component
- 1
- Package
- SOT-223
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.307g
- Electronic Component
- 1
- Electronic Component
- BM69417008
- Operating Temperature
- 20℃~+125℃@(Tj)
- Operating Voltage
- 15V
- Output
- Electronic Component
- Output Voltage
- 1.2V
- Output Current
- 1A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
产品概述：LD1117AG-12-AA3-A-R
概述
LD1117AG-12-AA3-A-R是一款高性能、低压差（Low Dropout, LDO）线性稳压器，由知名品牌UTC（友顺）制造，专为需要稳定电源的应用而设计。该器件能提供固定的输出电压为1.2V，并且能够承受最大1A的输出电流，极大满足各种数字和模拟电路的电源需求。
封装与引脚配置
LD1117AG-12-AA3-A-R采用SOT-223-4封装，体积小巧，便于在空间受限的电路板上使用。SOT-223封装有助于散热，同时可以有效减少PCB的布线复杂度。该器件的引脚配置通常如下：
- 输入引脚（Vin）
- 接地引脚（GND）
- 输出引脚（Vout）
- 旁路引脚（Adj或NC）
主要特点
低压差特性：LD1117的最大输入输出压差（Vin-Vout）仅为1.2V，适合于从较高电压源（如5V或12V）提供稳定的1.2V输出电压，极大提高了电源设计的灵活性。
高负载能力：该LDO能够为负载提供高达1A的电流，适用于各种需求较高的应用场景，包括微控制器、数字信号处理器（DSP）及其他对电源质量要求严格的电路。
温度特性：该器件在较宽的工作温度范围内（通常为-40°C至+85°C）具备良好的性能，确保在各种环境条件下均能够稳定工作。
短路保护和热过载保护：LD1117具备内置的短路保护机制，防止在出现故障时产生过高的输出电流，同时热过载保护设计则可以在温度过高时自动降低输出，确保设备的安全性和可靠性。
低静态功耗：在不负载状态下，LD1117的静态功耗非常低，有助于提高整个电路的能效，特别适合需长时间供电的便携式设备。
应用场景
LD1117AG-12-AA3-A-R可广泛应用于需要精确电源管理的多个领域，例如：
- 消费电子：如智能手机、平板电脑以及便携式音频设备中的电源管理系统。
- 工业控制：用于传感器、控制器以及其他需要稳定电压支持的设备。
- 汽车电子：在汽车电子设备如导航仪、音响系统中的电源稳压。
- 通信设备：为各类无线通信模块、射频设备及基站供电。
性能参数
- 输入电压范围：通常为1.22V至15V。
- 输出电压：稳定输出1.2V。
- 输出电流：最大1A。
- 静态耗电流：在正常工作条件下消耗极低的进行功耗。
- 负载调节：优异的负载调节能力，确保输出电压在不同负载条件下保持稳定。
结论
LD1117AG-12-AA3-A-R 是一款性能优异的线性稳压器，其出色的电气特性和灵活的应用范围使其成为电子设计中的热门选择。其低压差、高输出电流能力及出色的保护特性使其非常适合现代电子设备中对电源稳定性和可靠性的严格要求。无论在消费类电子产品、工业设备还是汽车电子中，LD1117都可以提供极可靠的电源解决方案，确保电子产品在各种使用环境下的稳定运行。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
Model, package, availability, and BOM fit reviewed before quotation.
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Sourcing availability signal
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Examples of how common component sourcing requests are organized.
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products
Packaged components ready for RFQ.
