SY8303AIC Silergy矽力杰DC-DC 40V降压电源芯片原装现货
税前: ¥2.20
General Description
The SY8303 develops a high efficiency synchronous step-down DC-DC converter capable of
delivering 3A load current. The SY8303 operates over a wide input voltage range from 4.5V to
40V and integrates main switch and synchronous switch with very low RDS(ON)to minimize the conduction loss.
The SY8303 adopts peak current control scheme. The switching frequency is adjustable from 500kHz to 2.5MHz using an external resistor. The device also features ultra low quiescent operating
to achieve high efficiency under light load. And the internal soft-start limits inrush current during power on.
SY8303 is available in TSOT23-8 package.
Features
Low RDS(ON) for internal switches (top/bottom): 110/70 mΩ
4.5-40V input voltage range
Internal compensation
Internal 1ms soft-start limits the inrush current
Adjustable switching frequency range: 500kHz to 2.5MHz
3A output current capability
1.5% 0.6V reference
Low quiescent current
Cycle-by-cycle peak current limitation
Short circuit protection
Thermal shutdown and auto recovery
RoHS Compliant and Halogen Free
Compact package: TSOT23-8
Applications
LCD-TV
SetTop Box
Notebook
Storage
High Power AP Router
Networking
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