ZK-SJ4 is a DC adjustable constant voltage constant current step down/up power supply module. Adjustable stable output voltage and current. Set output current to meet the demand. It can be used as ordinary buck power supply module, charger and LED constant current driver. Simple and efficient, practical, support solar charging.

Specifications:

• Product Number: ZK-SJ4
• Working Voltage: DC 4.8V-30V
• Output Voltage: DC 0.5V-30V
• Output Current: 3A
• Output Power: 35W
• Conversion efficiency: About 88%
• Working current: 30mA
• Undervoltage Protection: Yes(Self-recovery)
• Anti-backflow Protection: Yes
• Short Protection: Yes
• Work frequency: 180KHz
• Working Temperature range: -20℃~85℃
• Working Humidity range: 0%-95%RH
• Size: approx. 68*37*22mm
• Heat sink size: approx. 48*16*10mm