General Description
The ELN2120 Series is a fixed frequency, constant current step-up DC/DC converter ideal for driving LEDs used in high-definition screen backlight LED driver etc.
The highest output voltage is 24V, the input voltage of 3.6V can drive 3 series, 17 in parallel, a total of 51LED.
The internal circuit integrated overvoltage protection circuit and temperature protection circuit, and the brightness of the leds can be controled with a PWM signal.
The internal circuit integrates a large pipes of 0.2 ohms.
Features
◆ Input voltage range 3.0V—6.0V
◆ Input voltage range up to 24V
◆ Oscillation frequency 1.2MHz±20%
◆ Efficiency 88%
◆ Control mode PWM control
◆ Stand-by Current ISTB=1.0uA(MAX)
◆ Load capacitor 10uF,ceramic
Applications
◆ HD screen LED driver
