Eletechsup LD3190SB module is a fixed output constant current LED driver module. Can drive 3-24V LED lights, driving current 200MA/300/450/700/900MA optional. If the above current is not suitable for your application, you can change the drive current by modifying the value of RCS.
Packing list:
1PCS DC 3.3-32V 200/300MA/450/700/900MA Step-Down Constant Current LED Driver Module
Packing list:
1PCS DC 3.3-32V 200/300MA/450/700/900MA Step-Down Constant Current LED Driver Module
Description :
3.3-32V 200MA/300/450/700/900MA Step-down HB LED Driver Module
Power Supply : DC 3.3-32V(Perfect for 3.3V 3.7V 5V 6V 9V 12V 15V 24V LED Driver)
Drive Current: 0-200MA/300/450/700/900MA;By changing the RCS resistance, the maximum drive current can be changed
Maximum output power: 21W(24V/900MA)
Current regulation: Through PWM control
Single pin ON/OFF and brightness control using PWM
Simple low parts count
Wide input voltage range: 3.3V to 32V
Up to 200MA/300/450/700/900MA output current
PWM dimming
3% output current accuracy.
Up to 1MHz switching frequency
Typical 3% output current accuracy
Inherent open-circuit LED protection
High efficiency (up to 94%)
Adjustable Constant LED Current
High-Side Current Sense
Hysteretic Control: No Compensation
Soft Over Temperature Protection
Size : 21*15*6mm
Weight : 2.3g
Typical Application :
Low voltage halogen replacement LEDs
Automotive lighting
LED back-up lighting
Illuminated signs
Car LED lights
led strip lights
led strip for bedroom
led strip forneon
Wiring Diagram 1 : 200MA/300/450/700/900MA LED Constant Current Drive Circuit
Wiring Diagram 2 : 200MA/300/450/700/900MA LED Constant Current Drive Circuit(with switch)
Wiring Diagram 3 : 0-200MA/300/450/700/900MA LED PWM Dimming Circuit
Pin description
IN+ : Power Supply+
IN- : Power Supply-
L+: LED+
L- : LED-
PWM dimming interface
D : PWM dimming input+
G : PWM level dimming input+
IN+ : Power Supply+
IN- : Power Supply-
L+: LED+
L- : LED-
PWM dimming interface
D : PWM dimming input+
G : PWM level dimming input+