TI’s DC-DC Power Modules Slash Output Capacitance

The PTH08T240F 10-A, non-isolated, dc/dc power module meets the strict 3%-accuracy core voltage tolerance requirements of Texas Instruments’ newest 3-GHz DSPs, such as the TMS320TCI6487, with only 3,000 µF of external output capacitance. The device also supports point-of-load systems that use high-performance DSPs, microprocessors, ASICs, and FPGAs. The use of TurboTrans technology optimizes the power module’s transient response and reduces the amount of output capacitance by up to eight times. The result is significantly less peak output voltage deviation under transient load conditions and less board space used for capacitors. The module has a wide input voltage range of 4.5V to 14V, and delivers up to 92% power efficiency at a 1.8-V output. Output voltage is adjustable from 0.7V to 2V, and the module features over-current protection and programmable under-voltage lockout. In addition, the module offers over-temperature protection, on/off inhibit control, differential remote sense, and 1.5% dc output regulation. The PTH08T240F is sampling now and is scheduled to be available in volume production in early 2007. It comes in surface-mount and through-hole packages. Suggested retail pricing is $11.80 each/1,000. TEXAS INSTRUMENTS INC. Dallas, Texas. (800) 477-8924.