Friday, May 7, 2010
Texas Instruments Inc. has introduced its first 2.5-A step-down SWIFT converter to support input voltages up to 60 volts.
TI claims its TPS54260 monolithic synchronous switcher with integrated 200-milliohm high-side FET provides up to 95 percent efficiency and low operating current to 12-, 24- and 48-V point-of-load designs and GSM/GPRS modules used in electronic meters (e-meters), fleet management and security systems.
The TPS54260 provides current mode control, which provides fast transient response, simple external compensation and flexible component selection. The device also enters into a low ripple pulse skip mode, which reduces the no load, regulated output supply current down to 138 µA. When disabled, the device draws only 1.3 µA.
A wide switching frequency range (100 kHz to 2.5 MHz) combines efficiency with design flexibility, and comes in a space-saving, thermally enhanced 3 mm x 4.9 mm x 1 mm monolithic MSOP package that minimizes footprint.
Pricing: $2.30 in 1k quantities.
By: DocMemory
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