TPS5430DDR

The TPS5430DDR is designed as one kind of 5.5-V to 36-V, 3-A step-down swift converter, TPS5430DDR can be used in (1)consumer applications such as set-top boxes, CPE equipment, LCD displays, peripherals, and battery chargers; (2)industrial and car audio power supplies; (3)12V and 24V distributed power systems. Also this device is available in an 8-pin SOIC package that has been internally optimized to improve thermal performance.

Features of the TPS5430DDR are:(1)Wide Input Voltage Range: 5.5 V to 36 V; (2)Wide Input Voltage Range: 5.5 V to 36 V Current; (3)High Efficiency up to 95% Enabled by 110-m Integrated MOSFET Switch; (4)Wide Output Voltage Range: Adjustable Down to 1.22 V with 1.5% Initial Accuracy; (5)Internal Compensation Minimizes External Parts Count; (6)Fixed 500 kHz Switching Frequency for Small Filter Size; (7)Improved Line Regulation and Transient Response by Input Voltage Feed Forward; (8)System Protected by Over Current Limiting and Thermal Shutdown; (9)40°C to 125°C Operating Junction Temperature Range.

The absolute maximum ratings of the TPS5430DDR can be summarized as:(1)Input voltage range BOOT:0.3 V to 48 V;(2)Input voltage range VIN:0.3 V to 38 V;(3)Source current: Internally Limite;(4)Leakage current: 10 uA;(5)Operating virtual junction temperature range:40°C to 150°C;(6)Storage temperature range:65°C to 150°C.

The electrical characteristics of the TPS5430DDR can be summarized as:(1)Input voltage range: 5.5 to 36 V;(2)Start threshold voltage, UVLO: 5.3 to 5.5 V;(3)Hysteresis voltage, UVLO: 330 mV;(4)Internally set free-running frequency: 400 to 600 kHz;(5)Minimum controllable on time: 150 to 200 ns;(6)Maximum duty cycle: 87 to 89 %. If you want to know more information such as the electrical characteristics about TPS5430DDR, please download the datasheet in www.seekic.com or www.chinaicmart.com .