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TPS5450DDAR开关 稳压器 5A
TPS5450DDAR开关 稳压器 5A
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TPS5450DDAR开关 稳压器 5A

型号/规格:

TPS5450DDAR

品牌/商标:

TI(德州仪器)

封装:

SOP8

批号:

19+

输出电流:

5 A

输入电压:

36 V

输入电压:

5.5 V

开关频率:

500 kHz

工作温度:

- 40 C+ 125 C

产品信息

TPS5450 5-A, Wide Input Range, Step-Down Converter

1 Features

• Wide Input Voltage Range: 5.5 V to 36 V The TPS5450 is a high-output-current PWM

converter that integrates a low-resistance, high-side

• Up to 5-A Continuous (6-A Peak) Output Current N-channel MOSFET. Included on the substrate with

• High Efficiency Greater Than 90% Enabled by the listed features are a high-performance voltage

110-mΩ Integrated MOSFET Switch error amplifier that provides tight voltage regulation

accuracy under transient conditions; an undervoltage- • Wide Output Voltage Range: Adjustable Down to

lockout circuit to prevent start-up until the input 1.22 V With 1.5% Initial Accuracy

voltage reaches 5.5 V; an internally set slow-start

• Internal Compensation Minimizes External Part circuit to limit inrush currents; and a voltage feedCount

forward circuit to improve the transient response.

• Fixed 500-kHz Switching Frequency for Small Using the ENA pin, shutdown supply current is

Filter Size reduced to 18 μA typically. Other features include an

active-high enable, overcurrent limiting, overvoltage • 18-μA Shutdown Supply Current protection and thermal shutdown. To reduce design

• Improved Line Regulation and Transient complexity and external component count, the

Response by Input Voltage Feed Forward TPS5450 feedback loop is internally compensated.

TPS5450DDAR开关 稳压器 5A

TPS5450DDAR开关 稳压器 5A

TPS5450DDAR开关 稳压器 5ATPS5450DDAR开关 稳压器 5A