TPS5450-EP是TI公司的一款转换器（集成开关）产品，TPS5450-EP是增强型产品 5.5V 至 36V 输入、5A、500kHz 降压转换器，本页介绍了TPS5450-EP的产品说明、应用、特性等，并给出了与TPS5450-EP相关的TI元器件型号供参考。
TPS5450-EP - 增强型产品 5.5V 至 36V 输入、5A、500kHz 降压转换器 - 转换器（集成开关） - DC/DC开关稳压器 - TI公司（Texas Instruments，德州仪器）
As a member of the SWIFT™ family of DC/DC regulators, the TPS5450 is a high-output-current 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 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 ENA pin, shutdown supply current is reduced to 18 µA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection, and thermal shutdown. To reduce design complexity and external component count, the TPS5450 feedback loop is internally compensated.
The TPS5450 device is available in a thermally enhanced, 8-pin SOIC PowerPAD™ package. TI provides evaluation modules and software tools to aid in achieving high-performance power supply designs to meet aggressive equipment development cycles.
- Qualified for Automotive Applications
- Wide Input Voltage Range: 5.5 V to 36 V
- Up to 5-A Continuous (6-A Peak) Output Current
- High Efficiency Greater than 90% 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
- 18-µA Shutdown Supply Current
- Improved Line Regulation and Transient Response by Input Voltage Feed Forward
- System Protected by Overcurrent Limiting, Overvoltage Protection, and Thermal Shutdown
- Available in Small Thermally Enhanced 8-Pin SOIC PowerPAD™ Package
- For SWIFT™ Documentation, Application Reports and Design Software, See the TI Website at www.ti.com/swift
- APPLICATIONS
- High-Density Point-of-Load Regulators
- LCD Displays, Plasma Displays
- Battery Chargers
- 12-V/24-V Distributed Power Systems
- 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
(1) Additional temperature ranges are available - contact factory
