AP3421B converters equivalent, dual 1.0a synchronous step-down converters.
* VO1=1.8 to 3.6V at 1A
* VO2=1.0 to 3.6V at 1A
* Switching Frequency: 1.3MHz
* 180° Phase Shifted Switching
* No Rectifier Diode Required
* Optio.
* Hard Disk Drivers
* Set Top Boxes
Feb. 2013 Rev. 1. 4
DFN-3×3-10
Figure 1. Package Type of AP3421/A/B BCD Se.
The AP3421/A/B is a fully integrated dual output voltage regulator. The two converters are current mode and internally compensated. The converters include integrated control and synchronous rectifier switches. The outputs are both rated for up to 1A..
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