SY21222 regulator equivalent, step-up regulator.
* 3V to 33V Input Voltage Range
* 33V Maximum VOUT
* 2A Internal MSOFET Current Limit
* 5µA Shutdown Current (Typ.)
* 100µA Iq (Typ.)
* Low RDS(ON.
* Digital Camera
* Cell Phone
* PDA, PMP, MP3
Typical Application
2
Efficiency (%)
VIN 5V
L1 4.7µH
CIN .
The SY21222 high efficiency DC-to-DC step-up regulator operates using current mode control, and can deliver 2A current over a wide input voltage range from 3V to 33V. It integrates an N-channel MOSFET with low 200mΩ RDS(ON) to minimize conduction los.
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