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LMZ12003TZ-ADJ

产品分类: DC-DC稳压器
厂牌: TEXAS INSTRUMENTS
产品描述: 1MHz Adjustable 1 6V 800mV 20V 4.5V TO-PMOD 10.16mm*9.85mm*4.57mm
供应商型号: LMZ12003TZ-ADJ
供应商: 国内现货
标准整包数: 1
TEXAS INSTRUMENTS DC-DC稳压器 LMZ12003TZ-ADJ

LMZ12003TZ-ADJ概述

    # LMZ12003 3-A Simple Switcher® Power Module Technical Analysis
    Product Introduction
    The LMZ12003 is a high-efficiency DC-DC step-down power module designed by Texas Instruments, intended for point-of-load (POL) conversions requiring precise voltage regulation. This module supports inputs ranging from 4.5V to 20V and delivers adjustable output voltages as low as 0.8V. It excels in applications involving space-constrained designs, critical time-sensitive projects, and environments demanding robust thermal performance.
    Key features include:
    - Integrates a shielded inductor for improved EMI suppression.
    - Supports flexible startup sequencing via external soft-start and precision enable capabilities.
    - Offers high transient response for FPGAs and ASICs.
    - Provides robust protection mechanisms such as input undervoltage lockout (UVLO), output short-circuit protection, and current limiting.
    - Operates within a wide temperature range (-40°C to +125°C).
    - Delivers up to 3A of output current with peak efficiencies reaching 92%.
    Applications include point-of-load conversions, FPGA/ASIC power supplies, negative-output voltage systems, and space-constrained designs with thermal challenges.
    Technical Parameters
    Electrical Characteristics
    | Parameter | Min | Typ | Max | Unit |

    | Input Voltage (VIN) | 4.5 | 12 | 20 | V |
    | Output Voltage (VOUT) | 0.8 | 1.8 (Nominal)| 6 | V |
    | Output Current (IOUT) | 0 | 3 | A
    | Efficiency (η) | 87% | 92% % |
    | Line Regulation (ΔVO/ΔVIN) | 0.01% | 1.5 mV/A %/A |
    | Load Regulation (ΔVO/ΔIOUT) 87% %/A |
    Environmental Conditions
    - Operating Temperature: -40°C to 125°C
    - Thermal Resistance (RθJA): 19.3°C/W for a 4-layer PCB layout with 100 vias.
    Protection Features
    - Thermal Shutdown: Activates at 165°C and resets at 150°C.
    - Short Circuit Protection: Auto-recovery feature.
    - Overvoltage Protection (OVP): Activates at 0.92V on the FB pin.
    Product Characteristics and Advantages
    The LMZ12003 offers several unique advantages:
    1. High Efficiency: Achieves up to 92% efficiency across various load conditions, minimizing heat generation and improving system reliability.
    2. Compact Design: Utilizes a thermally enhanced NDW package (9.85mm x 10.16mm), allowing hand or machine soldering.
    3. Low EMI: Meets EN55022 Class B standards and passes 10V/m radiated immunity testing.
    4. Flexible Configuration: Adjustable switching frequency up to 1MHz and pin-to-pin compatibility with LMZ14203/2/1 series.
    5. Robust Protection: Includes UVLO, thermal shutdown, and current limiting, ensuring reliability in harsh environments.
    Its competitive edge lies in its ability to maintain performance at high ambient temperatures without thermal derating, making it ideal for space-constrained designs where thermal management is crucial.
    Application Cases and Usage Suggestions
    Application Example 1: FPGA/ASIC Power Supply
    In this scenario, the LMZ12003 powers high-performance FPGAs or ASICs with strict transient response requirements. To optimize performance:
    - Ensure proper placement of input and output capacitors close to the power module.
    - Use a low ESR output capacitor (e.g., ceramic) to reduce output ripple.
    - Monitor temperatures using thermal sensors and adjust duty cycles if necessary.
    Application Example 2: Point-of-Load Conversion
    For POL conversions in distributed power architectures:
    - Follow layout guidelines to minimize parasitic inductances and improve stability.
    - Use high-quality components like X7R c

LMZ12003TZ-ADJ参数

参数
占空比 92
最小输出电压 800mV
同步整流器 -
同步时钟 -
最大输入电压 20V
拓扑 -
开关频率 1MHz
功能 -
最大输出电压 6V
电压 - 电源(Vcc/Vdd) -
接口类型 -
输出类型 Adjustable
输出阶段 -
输出数量 1
最小输入电压 4.5V
长*宽*高 10.16mm*9.85mm*4.57mm
通用封装 TO-PMOD

LMZ12003TZ-ADJ厂商介绍

Texas Instruments(简称TI),是一家总部位于美国德克萨斯州达拉斯的全球性半导体设计与制造公司,成立于1930年。TI是全球领先的模拟技术、数字信号处理和微控制器(MCU)领域的供应商。

主营产品分类:
1. 模拟产品:包括电源管理、信号链和接口产品,广泛应用于工业、汽车、医疗等领域。
2. 嵌入式处理:包括微控制器(MCU)、数字信号处理器(DSP)和处理器,广泛应用于消费电子、工业控制、汽车电子等领域。
3. 无线产品:包括无线通信模块和解决方案,应用于物联网、智能城市、智能家居等领域。
4. 计算器:TI也是知名的计算器制造商,拥有多款科学计算器和图形计算器产品。

应用领域:
TI的产品和技术广泛应用于通信、计算机、消费电子、汽车、工业、医疗等多个领域。

优势:
1. 技术创新:TI在模拟、嵌入式处理和无线通信领域拥有强大的研发实力和专利技术。
2. 产品多样性:TI提供广泛的产品线,满足不同客户的需求。
3. 客户支持:TI在全球设有技术支持中心,为客户提供专业的技术支持和解决方案。
4. 供应链管理:TI拥有强大的供应链管理能力,确保产品的稳定供应和交付。

LMZ12003TZ-ADJ数据手册

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TEXAS INSTRUMENTS DC-DC稳压器 TEXAS INSTRUMENTS LMZ12003TZ-ADJ LMZ12003TZ-ADJ数据手册

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价格梯度 中国香港交货 内地交货(含增值税)
10+ ¥ 56.25
200+ ¥ 54
500+ ¥ 53.1
1000+ ¥ 52.2
3000+ ¥ 51.3
库存: 245
起订量: 10 增量: 250
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最小起订量为:10
合计: ¥ 562.5
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