AS3729B Description
The AS3729B is a panion power stage, intended to be used with AS372x products. It cannot be used without a DC/DC controller. It contains the power FETs for 2 phases and is capable to handle output currents of 4A per phase.
AS3729B Key Features
- Support for single or dual phase operation
- 2 x 4A output stages are running up to 2.7MHz
- Over-temperature protection
- Cost effective, small package
- 2 phases with separate control input
- Separate power NMOS & PMOS for 4A per phase
- Separate coil current feedback per phase
- Stand-Alone zero-crossing operation
- Integrated temperature monitoring
- WL-CSP16: 1.615mm x 1.615mm, 0.4mm pitch