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首 页 > 新闻动态 > 公司新闻 > 供应 TPS5430QDDARQ1 TI SOP8转换器 供应 TPS5430QDDARQ1 TI SOP8转换器1FEATURES
DESCRIPTION APPLICATIONS VIN NC NC ENA GND VSENSE BOOT PH TPS5430 VIN VOUT 95 60 70 80 90 100 0 0.5 1 1.5 2.5 3 3.5 Efficiency − % IO Output Current A − − Simplified Schematic Efficiency vs Output Current VI = 12 V V = 5 V f = 500 kHz T = 25 C O s A o 2 50 55 65 75 85 TPS5430-Q1 SLVS751C–NOVEMBER 2007–REVISED JULY 2009 3-A WIDE-INPUT-RANGE STEP-DOWN SWIFT™ CONVERTER 2· Qualified for Automotive Applications · Wide Input Voltage Range: 5.5 V to 36 V As a member of the SWIFT™ family of dc/dc · Up to 3-A Continuous (4-A Peak) Output regulators, the TPS5430 is a high-output-current Current pulse-width modulation (PWM) converter that integrates a low-resistance high-side N-channel · High Efficiency up to 95% Enabled by 110-mΩ MOSFET. Included on the substrate with the listed Integrated MOSFET Switch features are a high-performance voltage error · Wide Output Voltage Range: Adjustable Down amplifier that provides tight voltage regulation to 1.22 V With 1.5% Initial Accuracy accuracy under transient conditions, an undervoltage · Internal Compensation Minimizes External lockout (UVLO) circuit to prevent start-up until the Parts Count input voltage reaches 5.5 V, an internally set slow-start circuit to limit inrush currents, and a voltage · Fixed 500-kHz Switching Frequency for Small feed-forward circuit to improve the transient Filter Size response. Using the enable (ENA) pin, shutdown · Improved Line Regulation and Transient supply current is reduced to 18 mA typically. Other Response by Input Voltage Feed Forward features include an active-high enable, overcurrent limiting, overvoltage protection (OVP) and thermal · System Protected by Overcurrent Limiting, shutdown. To reduce design complexity and external Overvoltage Protection, and Thermal component count, the TPS5430 feedback loop is Shutdown internally compensated. The TPS5430 regulates a · –40°C to 125°C Operating Junction wide variety of power sources including 24-V buses. Temperature Range The TPS5430 device is available in a thermally · Available in Small Thermally Enhanced 8-Pin enhanced, easy-to-use 8-pin SOIC PowerPAD™ SOIC PowerPAD™ Package package. TI provides evaluation modules and the · For SWIFT™ Documentation, Application SWIFT Designer software tool to aid in quickly Notes, and Design Software, See the TI achieving high-performance power supply designs to meet aggressive equipment development cycles. Website at www.ti.com/swift · Industrial and Car Audio Power Supplies · Battery Chargers, High-Power LED Supplies · 12-V/24-V Distributed Power Systems |
