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MCP1703T-4502E/CB

产品分类: LDO稳压器
产品描述: 44dB(100Hz) 5μA Fixed 250mA 1 4.5V 2.7V 3.4V 16V 725mV@ 250mA 2.5 % SOT-23A-3 贴片安装,黏合安装
供应商型号: 579-MCP1703T-4502ECB
供应商: Mouser
标准整包数: 1
MICROCHIP TECHNOLOGY LDO稳压器 MCP1703T-4502E/CB

MCP1703T-4502E/CB概述

    # MCP1703: A Comprehensive Overview of Microchip's LDO Voltage Regulator
    1. Product Introduction
    The MCP1703 is a family of low-dropout (LDO) voltage regulators designed by Microchip Technology. It offers exceptional efficiency with a typical quiescent current of only 2.0 µA, making it an ideal choice for battery-operated devices where power consumption is critical. Its output current capability ranges up to 250 mA, with different output voltage options available from 1.2V to 5.5V.
    Main Features:
    - Low Quiescent Current: 2.0 µA (typical).
    - Wide Input Voltage Range: 2.7V to 16.0V.
    - Low Dropout Voltage: 625 mV typical @ 250 mA for VR = 2.8V.
    - High Output Voltage Tolerance: ±0.4% (typical).
    - Standard Output Voltage Options: 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.0V, 5.0V.
    - Stable with Ceramic Capacitor: 1 µF to 22 µF ceramic output capacitance.
    - Protection Features: Short-circuit protection and overtemperature shutdown.
    Applications:
    The MCP1703 is suitable for a wide range of applications including:
    - Battery-Powered Devices: Smoke detectors, CO2 detectors, pagers, cellular phones, etc.
    - Smart Battery Packs: Power management systems for laptops and handheld devices.
    - Consumer Electronics: Digital cameras, PDAs, and portable consumer products.
    - Solar-Powered Instruments: Devices requiring minimal power draw.
    2. Technical Parameters
    Below is a concise list of key technical specifications extracted from the MCP1703 datasheet:
    | Parameter | Min | Typical | Max | Units |

    | Input Voltage (VIN) | 2.7 16.0 | V |
    | Output Voltage (VOUT) | 1.2 5.5 | V |
    | Output Current (IOUT) | 250 mA |
    | Quiescent Current (Iq) 2.0 | 5 | µA |
    | Output Voltage Tolerance| -0.4 | 0.4 | +0.4 | % |
    | Dropout Voltage (VDROPOUT)| - | 625 | 975 | mV |
    | Thermal Shutdown Temp 150 °C |
    Other notable features include:
    - Operating Junction Temperature Range: -40°C to +125°C.
    - Thermal Resistance (SOT-23A): θJA = 336 °C/W.
    - Short-Circuit Protection: Output current limited to 400 mA.
    3. Product Features and Advantages
    Unique Features:
    - Ultra-Low Quiescent Current: Ideal for battery-powered devices where minimizing power consumption is crucial.
    - Flexible Output Voltage Options: Provides a wide range of standard output voltages (1.2V to 5.5V), customizable in 0.1V increments.
    - Robust Protection Mechanisms: Offers both short-circuit and overtemperature protection.
    - Compact Packaging: Available in SOT-223, SOT-23A, 2x3 DFN-8, and SOT-89 packages, suitable for space-constrained designs.
    Market Competitiveness:
    The MCP1703 stands out due to its combination of low quiescent current and high output current capability, which enhances its market appeal for energy-efficient applications. Additionally, its compact form factor makes it highly versatile across various industries.
    4. Application Cases and Usage Recommendations
    Common Applications:
    - Smoke Detectors: The MCP1703's low quiescent current ensures long battery life, while its robust protection mechanisms make it reliable in harsh environments.
    - Pagers and Cellular Phones: Its ability to operate efficiently within tight voltage windows aligns well with the demands of mobile electronics.
    - Solar-Powered Devices: The need for minimal power loss and high output stability is met by the MCP1703's design.
    Usage Suggestions:
    - Always use ceramic output capacitors to maintain stability, especially at lower output voltages.
    - Ensure proper heat dissipation, particularly in applications exceeding 250 mA output current.
    5. Compatibility an

MCP1703T-4502E/CB参数

参数
输出类型 Fixed
最大压差@电流 725mV@ 250mA
负载调节 2.5 %
最大输出电压 3.4V
最小输出电压 4.5V
极性 -
最大输入电压 16V
线路调节 -
纹波抑制-PSRR 44dB(100Hz)
输出电流 250mA
最小输入电压 2.7V
稳压器数量 1
Iq-静态电流 5μA
通用封装 SOT-23A-3
安装方式 贴片安装,黏合安装
零件状态 在售
包装方式 卷带包装

MCP1703T-4502E/CB厂商介绍

Microchip Technology是一家全球领先的半导体公司,总部位于美国亚利桑那州。公司成立于1989年,专注于设计、制造和销售各种微控制器、模拟、FPGA、连接、功率管理、分立和安全产品。

Microchip Technology的产品主要分为以下几类:
1. 微控制器(MCU):包括PIC、AVR和dsPIC系列,广泛应用于工业控制、消费电子、汽车电子等领域。
2. 模拟产品:包括电源管理、信号处理、接口和传感器等,用于提高系统性能和降低功耗。
3. 连接产品:包括以太网、无线和串行通信解决方案,实现设备间的高效数据传输。
4. FPGA(现场可编程门阵列):提供灵活的硬件解决方案,适用于高速数据处理和复杂逻辑设计。
5. 功率管理产品:包括电源模块、电池管理等,用于提高能效和延长设备寿命。
6. 分立产品:包括二极管、晶体管、MOSFET等,用于电路保护和信号放大。
7. 安全产品:包括加密模块、安全存储器等,保护数据安全和防止篡改。

Microchip Technology的优势在于其丰富的产品线、强大的研发能力和全球销售网络。公司不断推出创新产品,满足客户在不同应用领域的多样化需求。同时,Microchip还提供全面的技术支持和定制化解决方案,帮助客户缩短产品上市时间并降低开发成本。

MCP1703T-4502E/CB数据手册

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