SY21173 converter equivalent, asynchronous buck converter.
* Low RDS(ON) for Internal N-Channel Power FET: 150mΩ
* 4.5V to 60V Input Voltage Range
* Up to 3A Output Current Capability
* Constant Off-Time and Peak-.
* Non-Isolated Telecommunication Buck Regulator
* Secondary High-Voltage Post Regulator
* Automotive Systems.
The SY21173 high-efficiency asynchronous Buck converter can deliver 3A output current over a wide input voltage range from 4.5V to 60V. The SY21173 employs a constant off-time and peakcurrent mode control strategy to achieve fast transient responses..
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