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制造商: Texas Instruments

产品种类: 开关稳压器

RoHS:  详细信息  

安装风格: SMD/SMT

封装 / 箱体: SOIC-8

输出电压: Adj to 1.22 V

输出电流: 2 A

输出端数量: 1 Output

输入电压: 36 V

拓扑结构: Buck

输入电压: 5.5 V

开关频率: 500 kHz

工作温度: - 40 C

工作温度: + 125 C

系列: TPS5420

封装: Cut Tape

封装: MouseReel

封装: Reel

输入电压: 5.5 V to 36 V  

工作温度范围: - 40 C to + 125 C  

产品: Voltage Regulators  

类型: Power Switching Regulator  

商标: Texas Instruments  

开发套件: TPS5420EVM-175  

湿度敏感性: Yes  

工作电源电流: 3 mA  

工厂包装数量: 2500  

单位重量: 76 mg

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 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 2-A Continuous (3-A Peak) Output Current

High Efficiency up to 95% Enabled by

110-mΩ 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

企业名：湖人半导体（深圳）有限公司

类型：贸易/代理/分销

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