SY21249C1 regulator equivalent, synchronous step-down regulator.
* 5.5
–24V Input Voltage Range
* Up to 11A Output Current
100mA LDO Current
* Low RDS(ON) for Internal Switches: 17mΩ
Top, 7.5mΩ Bottom
* I.
* LCD TV/3DTV
* Set-Top Box
* Notebook
* High-Power AP
Typical Application
CIN
CIN
VIN
IN
GND
ON/.
The SY21249C1 high-efficiency synchronous stepdown DC/DC regulator is capable of delivering 11A current over a wide input voltage range of 5.5V to 24V. To minimize conduction loss, it integrates a main switch and a synchronous switch with very low RD.
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