SY8204同步高压降压DC/DC芯片IC Silergy 电源IC原装正品
税前: ¥2.00
General Description
SY8204 develops a high efficiency synchronous step-down DC-DC converter capable of
delivering 4A output current. SY8204 operates over a wide input voltage range from 4.5V to 30V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the
conduction loss. SY8204 adopts the proprietary instant PWM architecture to achieve fast
transient responses for high step down applications and high efficiency at light loads. In addition,
it operates at pseudo-constant frequency of 500kHz under continous conduction mode to
minimize the size of inductor and capacitor.
Features
Low RDS(ON) for internal switches (top/bottom): 80/50 mΩ
4.5-30V input voltage range
Instant PWM architecture to achieve fast transient responses
External softstart limits the inrush current
Pseudo-constant frequency: 500kHz at heavy loads
4A continuous, 5A peak load current capability
1.5% 0.6V reference
Output over current limit
Output short circuit protection with current fold back
Thermal shutdown and auto recovery
RoHS Compliant and Halogen Free
Compact package: SO8E
Applications
LCD-TV
SetTop Box
Notebook
High power AP router
LCD Monitor
DVR/NVR
NAS
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