Specification
âModel: SX-7815
âInput Voltage: AC 100V â 240V, 50/60Hz (2-pin AC socket)
âOutput Voltage: DC 7.8V
âOutput Current: 1.5A (1500mA)
âCircuit Topology: SMPS (Switch Mode Power Supply)
âKey Components: PC817 Optocoupler, Primary PWM IC, High-voltage Filter Capacitor, Bridge Rectifier
âDescription
āĻāĻāĻŋ āĻāĻāĻāĻŋ āĻāĻŽā§āĻĒā§āĻ¯āĻžāĻā§āĻ āĻāĻŦāĻ āĻšāĻžāĻ-āĻāĻĢāĻŋāĻ¸āĻŋāĻ¯āĻŧā§āĻ¨ā§āĻ¸āĻŋ āĻāĻ¸āĻŋ-āĻā§-āĻĄāĻŋāĻ¸āĻŋ (AC to DC) āĻĒāĻžāĻāĻ¯āĻŧāĻžāĻ° āĻ¸āĻžāĻĒā§āĻ˛āĻžāĻ āĻŦāĻž āĻāĻžāĻ°ā§āĻāĻžāĻ° āĻŽāĻĄāĻŋāĻāĻ˛āĨ¤ āĻāĻāĻŋ āĻ¸āĻ°āĻžāĻ¸āĻ°āĻŋ āĻŦāĻžāĻ¸āĻžāĻŦāĻžāĻĄāĻŧāĻŋāĻ° āĻāĻ¸āĻŋ āĻāĻžāĻ°ā§āĻ¨ā§āĻ āĻā§āĻ°āĻšāĻŖ āĻāĻ°ā§ āĻ¨āĻŋāĻ°āĻžāĻĒāĻĻ ā§.ā§Ž āĻā§āĻ˛ā§āĻ āĻĄāĻŋāĻ¸āĻŋ āĻĒāĻžāĻāĻ¯āĻŧāĻžāĻ° āĻāĻāĻāĻĒā§āĻā§ āĻ°ā§āĻĒāĻžāĻ¨ā§āĻ¤āĻ° āĻāĻ°ā§āĨ¤ āĻŦā§āĻ°ā§āĻĄāĻāĻŋāĻ¤ā§ āĻŦāĻŋāĻ˛ā§āĻ-āĻāĻ¨ āĻ
āĻĒāĻā§āĻāĻžāĻĒāĻ˛āĻžāĻ° āĻāĻŦāĻ āĻĢāĻŋāĻĄāĻŦā§āĻ¯āĻžāĻ āĻĒā§āĻ°āĻ¯ā§āĻā§āĻ¤āĻŋ āĻŦā§āĻ¯āĻŦāĻšāĻžāĻ° āĻāĻ°āĻž āĻšāĻ¯āĻŧā§āĻā§, āĻ¯āĻž āĻāĻāĻžāĻ°-āĻā§āĻ˛ā§āĻā§āĻ āĻ āĻļāĻ°ā§āĻ-āĻ¸āĻžāĻ°ā§āĻāĻŋāĻ āĻĨā§āĻā§ āĻ¨āĻŋāĻ°āĻžāĻĒāĻ¤ā§āĻ¤āĻž āĻĻā§āĻ¯āĻŧ āĻāĻŦāĻ āĻŦā§āĻ¯āĻžāĻāĻžāĻ°āĻŋ āĻ āĻ¸āĻžāĻ°ā§āĻāĻŋāĻā§āĻ° āĻāĻ¨ā§āĻ¯ āĻ¨āĻŋāĻā§āĻāĻ¤, āĻ¸ā§āĻĨāĻŋāĻ° (stable) āĻāĻāĻāĻĒā§āĻ āĻ¨āĻŋāĻļā§āĻāĻŋāĻ¤ āĻāĻ°ā§āĨ¤
âApplication
âRechargeable Fans: Main AC-to-DC power supply and internal charger module for mini table fans, portable rechargeable fans, and emergency DC fans.
âBattery Charging: Designed for charging 2S (7.4V nominal) Lithium-ion battery packs or 6V lead-acid batteries.
âDIY & Repair Replacement: Ideal replacement circuit for damaged rechargeable fan boards or custom 7.8V DC electronics projects.
