TPS5432DDA Datasheet | Texas Instruments

FEATURES - 2 Two 70mΩ (typical) MOSFETs for 3A Continuous Output Current - Current Mode Control With External pensation - 700k Hz Switching Frequency - 360µA no Load Quiescent Operating Current (no switching) - 0.808V Internal Voltage Reference - ±2.0% Reference Accuracy at 25°C - ±3.0% Reference Accuracy Over Temperature Range - 40°C~125°C - Stable Operation With Ceramic Output Capacitor - Adjustable Slow Start - Cycle by Cycle Current Limit, and Frequency Fold Back Protection - Thermally Enhanced 8-Pin SOIC (DDA) Package APPLICATIONS - Consumer Applications such as DTV, Set Top Boxes, LCD displays, CPE - Low-Voltage Point-of-Load Regulations for So C, CPU, DSP DESCRIPTION The TPS5432 is a 6V, 3A, low Iq, current mode, synchronous monolithic buck converter with integrated MOSFETs. The TPS5432 enables small designs by integrating the MOSFETs, implementing current mode control to reduce external ponent count, reducing inductor size by 700k Hz switching frequency. SOIC-8 package with exposed thermal pad provides both thermally enhanced solution and easy to use. The TPS5432 provides accurate regulation for a variety of loads with an accurate 3.0% voltage reference over temperature. Efficiency is maximized through the integrated 70mΩ MOSFETs and 360μA typical supply current. Using the enable pin, shutdown supply current is reduced to 2 µA by entering a shutdown mode. The output voltage startup ramp is controlled by the slow start pin. A ceramic capacitor at this pin can easily adjust the slow start time. Frequency fold back and thermal shutdown protects the device during an over-current condition. SIMPLIFIED SCHEMATIC INPUT 3-6 V Cin 10 m F 10 V Rc 4.99 k W Cc 3.3 n F Css 0.01 m F 2 VIN 1 BOOT CBOOT TPS5432 0.1 m F LO 10 V 3.3 m...