TPS5420-Q1 - 汽车类 5.5V 至 36V 输入、2A 降压转换器

TPS5420-Q1是TI德州仪器公司的一款转换器（集成开关）产品，TPS5420-Q1是汽车类 5.5V 至 36V 输入、2A 降压转换器，本站介绍了TPS5420-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS5420-Q1相关的TI元器件型号供参考。

TPS5420-Q1 - 汽车类 5.5V 至 36V 输入、2A 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 TPS5420 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 is 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 TPS5420 feedback loop is internally compensated.

The TPS5420 device is available in an easy-to-use 8-pin SOIC 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

Qualified for Automotive Applications
Wide Input Voltage Range: 5.5 V to 36 V
Up to 2-A Continuous (3-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 Over Current Limiting, Over Voltage Protection, and Thermal Shutdown
–40°C to 125°C Operating Junction Temperature Range
Available in Small 8-Pin SOIC Package
For SWIFT™ Documentation, Application Notes and Design Software, See the TI Website at www.ti.com/swift
APPLICATIONS
- Industrial and Car Audio Power Supplies
- Battery Chargers, High-Power LED Supplies
- 12-V/24-V Distributed Power Systems

SWIFT is a trademark of Texas Instruments.

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