We're passionate about innovation. Reach out and you'll hear back from an expert shortly.
Form Unavailable
In accordance with your Cookie preferences this form is not currently available. Should you wish to make a submission please allow Performance cookies to run in your browser session. You can access and change your preferences via the Cookie Settings button below or through our Footer link ‘Cookie Notice’ > ‘Cookie Settings’. If you still have issues seeing the form after accepting cookies please try and clear your local cookies and reload the page and accept the Performance cookies again.
Thank you for connecting with us!
One of our solution experts will be in touch with you shortly. Keep reading to learn more about our industry leading solutions.
Close
Low Input Voltage, Dual Synchronous Buck Regulator with Synchronization and Independent Enables
A8651
The A8651 offers efficient and flexible power conversion for low-voltage applications, featuring dual 2A synchronous buck regulators with adjustable output voltage, synchronizable switching frequency, and independent enable/NPOR outputs.
* Note: If you have issues logging into this feature you may need to enable 3rd party cookies in your browser settings
Dual outputs with up to 2 A output current per regulator
Adjustable output voltage as low as 0.8 V
Internal 80 mΩ high-side switching MOSFET
Internal 55 mΩ low-side switching MOSFET
Adjustable switching frequency ( fSW ): 0.35 to 2.2 MHz
Synchronizes to external clock: 1.2 × to 1.5 × fOSC
180° phase shift between switching regulators
Sleep mode supply current less than 5 μA
Soft start time externally set via the SS pin
Pre-biased startup capable
Externally adjustable compensation
Stable with ceramic output capacitors
Independent enable inputs and NPOR output pins
NPOR delay of 7.5 ms (A8651) or 120 μs (A8651-1)
Adjustable current limiting (OCP) for each regulator
Hiccup mode short-circuit protection (HIC)
Overvoltage and overtemperature protection
Open-circuit and adjacent pin short-circuit tolerant
Short-to-ground tolerant at every pin
The A8651 device is available in a 20-pin TSSOP package with exposed thermal pad for enhanced thermal dissipation (suffix LP). It is lead (Pb) free, with 100% matte tin leadframe plating.