S.I. Series Programmable LED Drivers

LTF SI Series Smart Interface Programmable LED drivers are high-performance power supplies, providing ultra-smooth, continuous <1% dimming for virtually any LED application.

Providing both constant current or constant voltage, it is the most versatile LED driver in the lighting industry due to its compatibility with a wide variety of LED arrays, multiple form factors, and numerous control options.

Over Temperature Protection (OTP) supports thermal feedback, providing extra protection for LED loads; controlled and adjusted by SI setting software to decrease output current.

SI Programmable Series drivers are an ideal solution for both enhanced flexibility and control of architectural lighting, as well as SKU reduction on the manufacturing side of OEM lighting.

Features

  • Flicker Free Dimming, 100% to <1%
  • Dim-to-Off Programmable
  • Set Minimum Dimming Level
  • Set Dimming Curve Options:
    Output Current, Soft-Start
  • Constant Lumen Output
  • End-of-life Indicator.
  • Rated lifetime of 50,000 hours @ Tc = 75 °C.
SI Series Smart Interface Programmable LED Drivers Programming GUI Screen Shot

Programming Interface for S.I. Series Drivers

40W Constant Current Models
Wattage
Input Voltage
Constant Current Output
Load
Dimming
IP Rating
LDS40W1500C2756SI
40W
120-277V AC 0.4A 50/60Hz
1500mA
27V DC LED
Programmable 0-10V
IP65
LDS40W1500C2756P20SI
40W
120-277V AC 0.4A 50/60Hz
1500mA
27V DC LED
Programmable 0-10V
IP20
40W Constant Voltage Models
Wattage
Input Voltage
Constant Voltage Output
Load
Dimming
IP Rating
DS40W12V56SI
40W
120-277V AC 0.4A 50/60Hz
12V DC
12V DC LED 3333mA Max.
Programmable 0-10V
IP65
DS40W12V56P20SI
40W
120-277V AC 0.4A 50/60Hz
12V DC
12V DC LED 3333mA Max.
Programmable 0-10V
IP20
DS40W24V56SI
40W
120-277V AC 0.4A 50/60Hz
24V DC
24V DC LED 1667mA Max.
Programmable 0-10V
IP65
DS40W24V56P20SI
40W
120-277V AC 0.4A 50/60Hz
24V DC
24V DC LED 1667mA Max.
Programmable 0-10V
IP20
60W Constant Current Models
Wattage
Input Voltage
Constant Current Output
Load
Dimming
IP Rating
LDS60W1800C3356SI
60W
120-277V AC 0.62A50/60Hz
1800mA
33V DC LED
Programmable 0-10V
IP65
LDS60W1800C3356P20SI
60W
120-277V AC 0.62A50/60Hz
1800mA
33V DC LED
Programmable 0-10V
IP20
60W Constant Voltage Models
Wattage
Input Voltage
Constant Voltage Output
Load
Dimming
IP Rating
LDS60W12V56SI
60W
120-277V AC 0.62A50/60Hz
12V DC
12V DC LED 5000mA Max.
Programmable 0-10V
IP65
LDS60W12V56P20SI
60W
120-277V AC 0.62A50/60Hz
12V DC
12V DC LED 5000mA Max.
Programmable 0-10V
IP20
LDS60W24V56SI
60W
120-277V AC 0.62A50/60Hz
24V DC
24V DC LED 2500mA Max.
Programmable 0-10V
IP65
LDS60W24V56P20SI
60W
120-277V AC 0.62A50/60Hz
24V DC
24V DC LED 2500mA Max.
Programmable 0-10V
IP20
75W Constant Current/Constant Voltage Models
Wattage
Input Voltage
Constant Current Output Range
Load
Dimming
IP Rating
LDS75W2500CSI
75W
120-277V AC 0.3A 50/60Hz
350mA - 2500mA
10V - 30V DC LED
Programmable 0-10V
IP67
LDS75W1400CSI
75W
120-277V AC 0.3A 50/60Hz
350mA - 1400mA
10V - 30V DC LED
Programmable 0-10V
IP67
LDS75W2500CSI
75W
120-277V AC 0.3A 50/60Hz
1360mA - 2500mA
10V - 30V DC LED
Programmable 0-10V
IP67
LDS75W1400CSI
75W
120-277V AC 0.3A 50/60Hz
500mA - 1400mA
10V - 30V DC LED
Programmable 0-10V
IP67
100W Constant Current/Constant Voltage Models
Wattage
Input Voltage
Constant Current Output Range
Load
Dimming
IP Rating
LDS100W1400CSI
100W
120-277V AC 0.3A 50/60Hz
200mA - 1400mA
36V - 200V DC LED
Programmable 0-10V
IP20
LDS100W3500CSI
100W
120-277V AC 0.3A 50/60Hz
350mA - 3500mA
10V - 55V DC LED
Programmable 0-10V
IP20
200W Constant Current/Constant Voltage Models
Wattage
Input Voltage
Constant Current Output Range
Load
Dimming
IP Rating
LDS200W5600CSI
200W
120-277V AC 0.3A 50/60Hz
600mA - 5600mA
12V - 55V DC LED
Programmable 0-10V
IP67
LDS200W2800CSI
200W
120-277V AC 0.3A 50/60Hz
300mA - 2800mA
12V - 55V DC LED
Programmable 0-10V
IP67
LDS200W1400CSI
200W
120-277V AC 0.3A 50/60Hz
200mA - 1400mA
12V - 55V DC LED
Programmable 0-10V
IP67

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