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LTC1438IG#TRPBF

产品分类: DC-DC稳压器
厂牌: ANALOG DEVICES
产品描述: Buck Yes Up~400KHz Transistor Driver 2 9V 1.19V 36V 3.5V SSOP-28 贴片安装,黏合安装 2mm(高度)
供应商型号: Y-LTC1438IG#TRPBF
供应商: 期货订购
标准整包数: 2000
ANALOG DEVICES DC-DC稳压器 LTC1438IG#TRPBF

LTC1438IG#TRPBF概述

    Product Introduction
    The LTC1438 and LTC1439 are dual, synchronous step-down switching regulator controllers designed for high efficiency power management applications. These devices feature adaptive power output stages that reduce switching losses at low output currents, enabling ultrahigh efficiency. With a wide input supply voltage range of 3.5V to 36V, they are ideal for battery-operated systems, notebook computers, and portable instruments.
    Key Features:
    - Dual N-channel MOSFET synchronous drive
    - Programmable fixed frequency (PLL lockable)
    - Ultrahigh efficiency
    - Low dropout operation: 99% duty cycle
    - Built-in power-on reset timer
    - Programmable soft start
    - Low-battery detector
    - Remote output voltage sense
    Technical Parameters
    Below is a concise summary of key technical specifications:
    | Parameter | Minimum | Typical | Maximum | Units |

    | Input Voltage Range | 3.5V | - | 36V | V |
    | Oscillator Frequency | 112kHz | 125kHz | 138kHz | kHz |
    | Output Voltage | 1.19V | - | 9V | V |
    | Efficiency | - | 95% | - | % |
    | Operating Temperature Range | 0°C | - | 70°C | °C |
    Product Characteristics and Advantages
    The LTC1438 and LTC1439 excel in power efficiency, particularly in low output current scenarios. Their adaptive power output stage significantly reduces switching losses, making them suitable for battery-operated and portable electronics where energy conservation is critical.
    Key advantages include:
    - High Efficiency: Achieves up to 95% efficiency across a broad load range.
    - Wide Input Range: Operates effectively from 3.5V to 36V.
    - Low Dropout Voltage: Supports up to 99% duty cycle, ideal for minimizing voltage drop.
    - Built-in Features: Integrated low-battery detection, soft start, and power-on reset enhance reliability.
    These features make the LTC1438 and LTC1439 highly competitive in markets requiring efficient and reliable power management solutions.
    Application Cases and Usage Recommendations
    The LTC1438 and LTC1439 are commonly used in portable electronic devices such as notebooks, PDAs, and battery-operated equipment. Here's how they are typically implemented:
    1. Dual 5V/3V Step-Down Conversion: Ideal for powering multiple subsystems with different voltage requirements simultaneously.
    2. Battery-Operated Devices: Efficiently manage battery discharge and prolong operational life through adaptive power management.
    3. DC Power Distribution: Distribute power across multiple rails in a system without significant loss.
    Usage Tips:
    - Ensure proper heat dissipation for components under heavy load conditions.
    - Use high-quality inductors and capacitors to optimize performance.
    - Monitor the power-on reset signal during initial setup to confirm stable operation.
    Compatibility and Support
    The LTC1438 and LTC1439 are compatible with most standard electronic components and can interface seamlessly with various controllers and peripheral devices. Linear Technology Corporation offers comprehensive support, including detailed datasheets, application notes, and customer service.
    Common Issues and Solutions
    Here are some common issues users might encounter and their solutions:
    1. Inconsistent Output Voltage: Ensure correct resistor selection for VPROG1 and VPROG2 to set desired output voltage.
    2. High Power Loss: Check that all connections are tight and that the thermal design adequately dissipates heat.
    3. Faulty Startup: Verify that the power-on reset signal functions correctly before initializing the circuit.
    Conclusion and Recommendation
    The LTC1438 and LTC1439 represent state-of-the-art technology in dual

LTC1438IG#TRPBF参数

参数
最大输出电压 9V
开关频率 Up~400KHz
最小输出电压 1.19V
同步整流器 Yes
最大输入电压 36V
功能 Step-Down
输出类型 Transistor Driver
输出数量 2
拓扑 Buck
最小输入电压 3.5V
长*宽*高 2mm(高度)
通用封装 SSOP-28
安装方式 贴片安装,黏合安装
应用等级 汽车级
零件状态 在售
包装方式 卷带包装

LTC1438IG#TRPBF厂商介绍

Analog Devices(简称ADI)是一家全球领先的半导体公司,专注于模拟、混合信号和数字信号处理(DSP)集成电路(IC)的设计、制造和营销。公司成立于1965年,总部位于美国马萨诸塞州的诺伍德。

ADI的主营产品主要分为以下几类:
1. 数据转换器:包括模数转换器(ADC)和数模转换器(DAC),广泛应用于通信、工业、医疗等领域。
2. 放大器和比较器:提供各种高性能放大器和比较器产品,用于信号放大、滤波和比较等。
3. 射频(RF)和微波产品:包括射频收发器、混频器、放大器等,应用于无线通信、**等领域。
4. 电源管理:提供电源转换、电源管理等解决方案,满足各种电源需求。
5. 接口和通信:包括以太网、串行通信等接口产品,用于数据传输和通信。
6. 处理器和DSP:提供高性能处理器和数字信号处理器,用于复杂信号处理和控制。

ADI的优势在于其在模拟和混合信号领域的深厚技术积累,以及对客户需求的深刻理解。公司不断推出创新产品,满足客户在各种应用场景下的需求,如5G通信、自动驾驶、工业自动化等。此外,ADI还提供全面的技术支持和定制化服务,帮助客户实现产品快速上市。

LTC1438IG#TRPBF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)
库存: 2000
起订量: 2000 增量: 0
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合计: $ 0
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