处理中...

首页  >  产品百科  >  MPQ1542DK-LF-Z

MPQ1542DK-LF-Z

产品分类: DC-DC稳压器
产品描述: Boost No 700KHz,1.3MHz Adjustable 1 22V 3V 22V 2.2V MSOP-8 贴片安装,黏合安装
供应商型号: MPQ1542DK-LF-Z
供应商: 国内现货
标准整包数: 0
MONOLITHIC POWER SYSTEMS DC-DC稳压器 MPQ1542DK-LF-Z

MPQ1542DK-LF-Z概述

    # MPQ1542: 700KHz/1.3MHz Boost Converter with a 2A Switch
    Product Introduction
    The MPQ1542 is a highly integrated current-mode boost converter developed by Monolithic Power Systems (MPS). It is designed to operate with input voltages as low as 2.5V and deliver an output voltage of up to 22V, making it suitable for various portable electronic devices. The chip incorporates a 2A, 0.18Ω internal switch, which ensures fast and efficient performance. With a choice of either 700kHz or 1.3MHz fixed switching frequency, it provides excellent flexibility in filter design and reduces noise interference.
    The MPQ1542 is ideal for applications such as LCD displays, portable electronics, handheld computers, and digital cameras. It operates efficiently under varying conditions, supports easy programming of soft start, and offers comprehensive protection features including under-voltage lockout (UVLO), current limiting, and thermal shutdown.
    Technical Parameters
    Below are the key technical specifications for the MPQ1542:
    | Parameter | Specification |

    | Input Voltage Range | 2.5V to 22V |
    | Output Voltage Range | 3V to 22V |
    | Switching Frequency | 700kHz / 1.3MHz |
    | Output Current | Up to 500mA @ 12V from 5V input |
    | Internal Switch Resistance | 0.18Ω |
    | Switching Frequency Range | 1.0MHz to 1.6MHz |
    | UVLO Threshold | 2.1V to 2.45V |
    | Quiescent Current | 700μA to 900μA |
    | Thermal Shutdown Temp | 160°C |
    | Package Type | 8-pin MSOP |
    Product Features and Advantages
    Unique Features:
    1. Flexible Frequency Selection: Users can select between 700kHz and 1.3MHz fixed switching frequencies using the FSEL pin.
    2. Programmable Soft Start: A programmable soft start reduces inrush currents and improves overall reliability.
    3. High Efficiency: The current-mode architecture enables fast transient response and stable regulation.
    4. Compact Design: The MPQ1542 is housed in an 8-pin MSOP package, making it ideal for space-constrained applications.
    Market Competitiveness:
    The MPQ1542 stands out due to its exceptional performance under low-input voltage conditions and its ability to handle high output currents. Its small size and robust protection mechanisms make it a top choice for portable and handheld devices.
    Application Case Studies and Usage Suggestions
    Example 1: LCD Display Power Supply
    In LCD display systems, the MPQ1542 can provide a regulated 12V output from a 5V source. Using a 4.7µH inductor and a ceramic capacitor at the output ensures stable performance. A key recommendation is to position the input and output capacitors as close to the IC as possible to minimize parasitic effects.
    Example 2: Portable Devices
    For portable electronics, where space is critical, the compact MSOP-8 package allows for minimal board space usage. The ability to adjust the soft start time via the SS pin is particularly useful in preventing startup issues such as input current surges.
    Usage Suggestions:
    - Always connect unused EN pin to VIN through a pull-up resistor for automatic startup.
    - Select an appropriate Schottky diode based on reverse voltage and current requirements to minimize switching losses.
    - Consider using a 22µF ceramic capacitor for optimal output ripple reduction.
    Compatibility and Support
    The MPQ1542 is fully compatible with a wide range of standard electronic components and systems. It adheres to industry standards such as RoHS compliance, ensuring environmental friendliness. MPS provides extensive support resources, including application notes, software tools, and technical documentation, facilitating seamles

MPQ1542DK-LF-Z参数

参数
最小输出电压 3V
最小输入电压 2.2V
最大输出电压 22V
开关频率 700KHz,1.3MHz
最大输入电压 22V
功能 Step-Up
输出类型 Adjustable
拓扑 Boost
输出数量 1
同步整流器 No
通用封装 MSOP-8
安装方式 贴片安装,黏合安装
应用等级 工业级
零件状态 在售
包装方式 卷带包装

MPQ1542DK-LF-Z厂商介绍

Monolithic Power Systems(MPS)是一家领先的高性能模拟半导体公司,专注于为广泛的电子系统提供电源管理解决方案。公司总部位于美国加利福尼亚州,成立于1997年,并于2004年在纳斯达克上市。

MPS的主要产品分为以下几类:
1. DC-DC转换器:用于将电池或其他电源的电压转换为所需的电压和电流。
2. AC-DC电源解决方案:将交流电转换为直流电,适用于各种电子设备。
3. 线性稳压器:提供稳定的电压输出,适用于需要精确电压的应用。
4. 电池管理IC:包括电池充电器和保护电路,确保电池安全和延长寿命。
5. LED驱动器:为LED照明提供精确的电流和电压控制。

MPS的产品广泛应用于以下领域:
- 移动设备和通信
- 计算机和服务器
- 工业和汽车
- 医疗设备
- 消费电子产品

Monolithic Power Systems的优势在于:
- 高性能:提供高效率和高精度的电源管理解决方案。
- 高可靠性:产品经过严格的测试,确保在各种环境下的稳定性。
- 创新技术:持续研发新技术,以满足市场对更高性能和更小尺寸的需求。
- 定制解决方案:能够根据客户的具体需求提供定制化的电源管理解决方案。

MPQ1542DK-LF-Z数据手册

厂牌 PDF简要描述 下载
MONOLITHIC POWER SYSTEMS DC-DC稳压器 MONOLITHIC POWER SYSTEMS MPQ1542DK-LF-Z MPQ1542DK-LF-Z数据手册

MPQ1542DK-LF-Z封装设计

查看详情并下载
Symbol
Footprint
3D Model
价格梯度 中国香港交货 内地交货(含增值税)
库存: 67500
起订量: 0 增量: 0
交货地:
最小起订量为:0
合计: $ 0
直接购买
加入购物车

爆款推荐

型号 价格(含增值税)
0RQB-50Y15LG ¥ 505.461
1.5M24-P1 ¥ 2344.0416
1/16A12-P4 ¥ 4326.089
110RCM1000-24DMQF ¥ 4784
110RCM500-24DMQF ¥ 4814.5702
15FL12-12W-I/O-RB ¥ 14718.2354
171010550 ¥ 32.7529
171020302 ¥ 67.6045
171020601 ¥ 201.3686
171031801 ¥ 81.2673