TPS5430-EP - 增强型产品 5.5V 至 36V 输入、3A、500kHz 降压转换器

TPS5430-EP是TI德州仪器公司的一款转换器（集成开关）产品，TPS5430-EP是增强型产品 5.5V 至 36V 输入、3A、500kHz 降压转换器，本站介绍了TPS5430-EP的封装应用图解、特点和优点、功能等，并给出了与TPS5430-EP相关的TI元器件型号供参考。

TPS5430-EP - 增强型产品 5.5V 至 36V 输入、3A、500kHz 降压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

As a member of the SWIFT™ family of dc/dc regulators, the TPS5430 is a high-output-current pulse-width modulation (PWM) converter that integrates a low-resistance high-side N-channel MOSFET. Included on the substrate with the listed features are a high-performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions, an undervoltage lockout (UVLO) circuit to prevent start-up until the input voltage reaches 5.5 V, an internally set slow-start circuit to limit inrush currents, and a voltage feed-forward circuit to improve the transient response. Using the enable (ENA) pin, shutdown supply current is reduced to 18 µA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection (OVP) and thermal shutdown. To reduce design complexity and external component count, the TPS5430 feedback loop is internally compensated. The TPS5430 regulates a wide variety of power sources including 24-V buses.

The TPS5430 device is available in a thermally enhanced, easy-to-use 8-pin SOIC PowerPAD™ package. TI provides evaluation modules and the SWIFT Designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

产品特性

Wide Input Voltage Range: 5.5 V to 36 V
Up to 3-A Continuous (4-A Peak) Output Current
High Efficiency up to 95% Enabled by 110-m Integrated MOSFET Switch
Wide Output Voltage Range: Adjustable Down to 1.22 V With 1.5% Initial Accuracy
Internal Compensation Minimizes External Parts Count
Fixed 500-kHz Switching Frequency for Small Filter Size
Improved Line Regulation and Transient Response by Input Voltage Feed Forward
System Protected by Overcurrent Limiting, Overvoltage Protection, and Thermal Shutdown
–55°C to 125°C Operating Junction Temperature Range
Available in Small Thermally Enhanced 8-Pin SOIC PowerPAD™ Package
For SWIFT™ Documentation, Application Notes, and Design Software, See the TI Website at www.ti.com/swift
SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
- Controlled Baseline
- One Assembly/Test Site
- One Fabrication Site
- Available in Military (–55°C/125°C) Temperature Range(1)
- Extended Product Life Cycle
- Extended Product-Change Notification
- Product Traceability
APPLICATIONS
- Industrial and Car Audio Power Supplies
- Battery Chargers, High-Power LED Supplies
- 12-V/24-V Distributed Power Systems

(1) Additional temperature ranges are available - contact factory

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