TI introduces integrated triple-output synchronous buck converters
September 16, 2014 12:19 am
September 16, 2014 12:19 am
Texas Instruments has introduced the next generation of its integrated triple-output synchronous stepdown switching regulators with smaller footprint and higher efficiency. The TPS65261 and TPS65262 DC/DC converters feature small QFN packages and up to 96 per cent efficiency for such applications as digital television, set-top boxes, home gateway and access point networks, wireless routers, point-of-sale machines, and surveillance equipment.
The new family of DC/DC converters joins TI’s family of multi-channel synchronous buck converters that include the TPS65250 and the TPS65251 developed for set-top box applications
TPS65261 and TPS65262 key features and benefits• Wide 4.5-V to 18-V input supply voltage range for intermediate bus voltages operating off 5-V, 9-V, 12-V or 15-V power buses or batteries• Constant frequency peak current mode simplifies design and enables system optimisation• 5 mm by 5 mm by 0.9 mm QFN package is 44 percent smaller than previous generation• 0.6-V feedback reference supports processors demanding lower output voltage• Integrated automatic power up/down sequencing offers easy power control• The TPS65261 provides 82 per cent light load efficiency at 10 mA and offers three outputs of rated current at 3A/2A/2A. It features an adjustable 250-kHz to 2-MHz switching frequency with pulse skipping.
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