Part Number	EM5303
Description	5V 12V Synchronous Buck PWM Controller
Info	CYStech Electronics Corp. Spec. No. : C551QP Issu.
Manufacture	CYStech Electronics
for PC	Download EM5303 Datasheet

Part Number	EM5303A
Description	PWM Controller
Info	5V/12V Synchronous Buck PWM Controller EM5303/A .
Manufacture	Excelliance MOS
for PC	Download EM5303A Datasheet

Part Number	EM5303A
Description	5V 12V Synchronous Buck PWM Controller
Info	CYStech Electronics Corp. Spec. No. : C551QP Issu.
Manufacture	CYStech Electronics
for PC	Download EM5303A Datasheet