SpecificationsVIN Range: 2.7V to 5.5VLow Noise Light Load ModeLow Ripple PWM ModeVOUT Fixed or Adjustable from 0.6V to VIN37A No Load Quiescent CurrentUp to 98% Efficiency1A Max Output Current2MHz Switching Frequency150s Soft StartFast Load TransientOver-Temperature ProtectionCurrent Limit Protect...
AAT2148: SpecificationsVIN Range: 2.7V to 5.5VLow Noise Light Load ModeLow Ripple PWM ModeVOUT Fixed or Adjustable from 0.6V to VIN37A No Load Quiescent CurrentUp to 98% Efficiency1A Max Output Current2MHz S...
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The AAT2148 SwitchReg is a 2MHz step-down converter with an input voltage range of 2.7V to 5.5V and output voltage as low as 0.6V. It is optimized to react quickly to a load variation.
The AAT2148 incorporates a unique low noise architecture which reduces ripple and spectral noise. The AAT2148 is available in fixed voltage versions with internal feedback and a programmable version with external feedback resistors. It can deliver 1A of load current while maintaining a low 37A no load quiescent current. The 2MHz switching frequency minimizes the size of external components while keeping switching losses low.
The AAT2148 is designed to maintain high efficiency throughout the operating range, which is critical for portable applications.
The AAT2148 is available in the Pb-free, thermally enhanced 3x3mm QFN-16 package and is rated over the -40C to +85C temperature range.