1 10

LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL

LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL

$7.94 USD
$7.94 USD $7.94 USD
Sale Sold out
Taxes included.


Product Name: 80W DC 4-24V 1-4A Switch-Mode Step-Down Constant-Current High-Brightness LED Driver Module for Solar Emergency Automotive Lights


Packing list:


1PCS DC 4-27V 1A/1.5A/2A/2.5A/3A/4A Step-down constant-current LED Driver Module














Description :







Switch-Mode Step-down Constant-Current High-Brightness LED Driver Module

4-27V switch-mode step-down constant-current high-brightness LED (HB LED) driver Module
Working voltage : DC 4-27V(1A/1.5A);DC 5-27V(2A/2.5A);DC 6-27V(3A/4A)
Output Current: 0-1A/1.5A/2A/2.5A/3A/4A;By changing the R4 resistance, the maximum drive current can be changed
Maximum output power: 80W(20V*4A)
Current regulation: Through PWM control
Single pin ON/OFF and brightness control using PWM

Wide input voltage range: 4V to 27V
Up to 1A/1.5A/2A/2.5A/3A/4A output current
3.3V/5V PWM Adjustable Constant LED Current
5% output current accuracy.
Up to 1MHz Switching Frequency
Inherent open-circuit LED protection
High efficiency (up to 92%)
Adjustable Constant LED Current
High-Side Current Sense
Hysteretic Control: No Compensation


Size : 42*22*16mm(With/No Terminal)
Weight : 13g(With Terminal);10g(No Terminal)


Typical Application :
Architectural, Industrial, and Ambient Lighting
Automotive RCL, DRL, and Fog Lights
MR16 and Other LED Bulbs
Indicators and Emergency Lighting
Illuminated signs
Car LED lights
Stage lights


Pin Description

VIN : Power Supply+
GND : Power Supply-
LED+: LED Out+
LED- : LED Out-
PWM : Logic level dimming input+
GND : Logic level dimming input-

Limit maximum output current
(Iout=0.16/R4)

























Wiring Diagram 1 : 1A/1.5A/2A/2.5A/3A/4A LED Constant Current Drive Circuit













Wiring Diagram 2 : 1A/1.5A/2A/2.5A/3A/4A LED Constant Current Drive Circuit(with switch)













Wiring Diagram 3 : 0-1A/1.5A/2A/2.5A/3A/4A LED PWM Dimming Circuit

































































































































































Product features

Materials and care

Merchandising tips

View full details
Variant Variant total Quantity Price Variant total
LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL
1A No TerminalLD2740SC_1A
1A No TerminalLD2740SC_1A
$7.94
$7.94/ea
 $0.00
$7.94
$7.94/ea
 $0.00
LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL
1A5 No TerminalLD2740SC_1A5
1A5 No TerminalLD2740SC_1A5
$7.94
$7.94/ea
 $0.00
$7.94
$7.94/ea
 $0.00
LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL
1A5 With TerminalLD2740SC_1A5_PIN
1A5 With TerminalLD2740SC_1A5_PIN
$8.24
$8.24/ea
 $0.00
$8.24
$8.24/ea
 $0.00
LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL
1A With TerminalLD2740SC_1A_PIN
1A With TerminalLD2740SC_1A_PIN
$8.24
$8.24/ea
 $0.00
$8.24
$8.24/ea
 $0.00
LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL
2A No TerminalLD2740SC_2A
2A No TerminalLD2740SC_2A
$7.94
$7.94/ea
 $0.00
$7.94
$7.94/ea
 $0.00
LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL
2A5 No TerminalLD2740SC_2A5
2A5 No TerminalLD2740SC_2A5
$7.94
$7.94/ea
 $0.00
$7.94
$7.94/ea
 $0.00
LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL
2A5 With TerminalLD2740SC_2A5_PIN
2A5 With TerminalLD2740SC_2A5_PIN
$8.25
$8.25/ea
 $0.00
$8.25
$8.25/ea
 $0.00
LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL
2A With TerminalLD2740SC_2A_PIN
2A With TerminalLD2740SC_2A_PIN
$8.25
$8.25/ea
 $0.00
$8.25
$8.25/ea
 $0.00
LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL
3A No TerminalLD2740SC_3A
3A No TerminalLD2740SC_3A
$7.98
$7.98/ea
 $0.00
$7.98
$7.98/ea
 $0.00
LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL
3A With TerminalLD2740SC_3A_PIN
3A With TerminalLD2740SC_3A_PIN
$8.35
$8.35/ea
 $0.00
$8.35
$8.35/ea
 $0.00
LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL
4A No TerminalLD2740SC_4A
4A No TerminalLD2740SC_4A
$7.99
$7.99/ea
 $0.00
$7.99
$7.99/ea
 $0.00
LD2740SC 80W High-Power LED Driver Module – DC 4-27V 1-4A Step-Down Constant Current Board with PWM Dimming for Solar Emergency Lights Automotive DRL
4A With TerminalLD2740SC_4A_PIN
4A With TerminalLD2740SC_4A_PIN
$8.35
$8.35/ea
 $0.00
$8.35
$8.35/ea
 $0.00
View cart
0

Total items

$0.00

Product subtotal

Taxes included. Discounts and shipping calculated at checkout.
View cart