The TPS6266x device is a high-frequency synchronous step-down DC-DC converter optimized
for battery-powered portable applications. Intended for low-power applications, the TPS6266x
supports up to 1000-mA peak load current, and allows the use of low-cost chip inductor and
With a wide input voltage range of 2.3 V to 5.5 V, the device supports applications
powered by Li-Ion batteries with extended voltage range. Different fixed voltage output versions
are available from 1.2 V to 2.3 V.
The TPS6266x operates at a regulated 6-MHz switching frequency and enters the power-save
mode operation at light load currents to maintain high efficiency over the entire load current
The PFM mode extends the battery life by reducing the quiescent current to 31 µA
(typical) during light load and standby operation. For noise-sensitive applications, the device can
be forced into fixed frequency PWM mode by pulling the MODE pin high. In the shutdown mode, the
current consumption is reduced to less than 1 µA.
The TPS6266x is available in an 6-pin chip scale package (DSBGA).
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