Xinlong Semiconductor Technology XL9502
The XL9502 is a 200KHz fixed frequency PWM synchronous buck LED constant current driver, capable of driving a 2A load with high efficiency, low ripple and excellent line and load regulation. The XL9502 has built-in thermal shutdown, current limit protection and so on. XL9502 supports wide input operating voltage range of 5V ~ 45V and a maximum duty cycle of 100% output.| Part No. | XL9502 |
|---|---|
| Datasheet | XL9502 Download |
| Manufacturer |  Xinlong Semiconductor Technology |
| Description | 2A 200KHz 50V Synchronous Buck LED Constant Current Driver |
| Buy | Stock & Price |
FEATURES
● Operation Voltage：5V~45V● 0.23V Constant Current Sense Voltage
● Directly drive 1~10 Series LED
● Current Sense Voltage Accuracy ±4%
● Fixed 200KHz Switching Frequency
● 2A Constant Output Current Capability
● Internal Optimize Power MOSFET
● High efficiency up to 95%
● Max. Output power up to 10W
● Maximum Duty Cycle 100%
● Excellent line and load regulation
● Built in thermal shutdown function
● Built in current limit protection function
● Temperature Grade 1: -40 ℃ to 125 ℃ Ambient Operating Temperature Range
● Available in SOP8 package
GENERAL DESCRIPTION
A built-in loop compensation module reduces components in the system, lowering power system cost and reducing printed circuit board space.APPLICATIONS
● Buck constant current driver● LED backlight driver
● General purpose LED lighting Typical application schematic 5V~45V VIN L1 SW CC XL9502 CIN VC CS GND RCS IOUT=0.23/RCS COUT Efficiency(%) Efficiency VS LED String 100 95 90 85 80 75 70 65 60 VIN=12V,IOUT=0.3A 55 VIN=24V,IOUT=0.3A VIN=36V,IOUT=0.3A 50 45 40 1 2 3 4 5 6 7 8 9 10 LED String(N*1W) Figure1.
