HM3420B mosfet equivalent, n-channel enhancement mode power mosfet.
* 1.5MHz Constant Frequency Operation
* No Schottky Diode Required
* Low Dropout Operation:100% Duty Cycle
* PFM Mode for High Efficiency in Light Load
* Cellular and Smart Phones
* Wireless and DSL Modems
* PDAs
* Portable Instruments
* Digital Still .
The HM3420B is a high-efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture. The device is available in an adjustable version. Supply current with no load is 40uA and drops to <1uA in shutdown. The 2.5.
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