LDU2430S1000-WD

Dimming:	Analog, PWM
Weight:	0.024 lb (10.89g)
Approvals:	EN
Mounting Type:	Chassis Mount
Size / Dimension:	0.92" L x 0.55" W x 0.40" H (23.4mm x 14.0mm x 10.2mm)
Termination Style:	Wire Leads
Efficiency:	95%
Operating Temperature:	-40°C ~ 70°C
Ratings:	IP67
Features:	Remote On/Off, SCP
Series:	LDU24
Power (Watts):	24W
Current - Output (Max):	1A
Voltage - Output:	2 ~ 28 V
Voltage - Input (Max):	30V
Voltage - Input (Min):	7V
Number of Outputs:	1
Topology:	Buck
Type:	Constant Current
Part Status:	Active

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Introduction

LED drivers (LD) are used to convert a direct current signal into a regulated direct current output for driving high-brightness light emitting diode (LED). The LDU2430S1000-WD is a linear LED driver optimized for up to 1W LED applications. It is specifically designed to reduce component count and increase system efficiency.

Features

The LDU2430S1000-WD features an input voltage range from 2.5V to 5.5V and switching frequency of 600kHz. It also offers a 10V equivalent rise time (tr) and 45°/ns slewing rate (SR) and a programmable output current up to a maximum of 350mA. The driver also features programmable dimming functionality with PWM control. Additionally, the LDU2430S1000-WD comes with an efficient step-up converter and active switch that enables it to provide a consistent current output.

Application field

The LDU2430S1000-WD is suitable for applications such as indoor lighting, decorative lighting, and optoelectronics. It can be used in a range of LED applications, such as in RGB LED light strips, spot lights, desk lamps and downlights.

Working principle

The LDU2430S1000-WD has an internal DC-DC boost converter circuit that produces a regulated output for the LED. It also has an internal switch that alternately turns on and off to deliver a regulated current output to the LED. The LED driver has an internally adjustable operating frequency that allows for faster dimming operations. The driver can be set to run on a fixed frequency with an adjustable dimming ratio.

Conclusion

The LDU2430S1000-WD is an LED driver optimized for up to 1W LED applications. It features an input voltage range from 2.5V to 5.5V and a programmable output current up to a maximum of 350mA. The driver also offers programmable dimming functionality with PWM control. It is suitable for applications such as indoor lighting, decorative lighting and optoelectronics. The driver has an internal DC-DC boost converter circuit and an internal switch that alternately turns on and off to deliver a regulated current output to the LED.

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