BD9483F
White LED Driver for large LCD Panels (DCDC Converter type)
BD9483F
White LED Driver for large LCD Panels (DCDC Converter type)
BD9483F is a high efficiency driver for white LEDs and designed for large LCDs. This IC is built-in 2ch boost DCDC converters that employ an array of LEDs as the light source. BD9483F has some protect function against fault conditions, such as the over-voltage protection (OVP),the over current limit protection of DCDC (OCP), Max duty protection, LED OCP protection. Therefore BD9483F is available for the fail-safe design over a wide range output voltage.
For Automotive usage, please contact Sales.
Product Detail
Specifications:
Topology
Boost
Vin(Min.)[V]
11
Vin(Max.)[V]
35
Number of Outputs
2
Switching Frequency (Max.)[MHz]
0.15
Dimming
PWM
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
15.0x7.8 (t=2.01)
Features:
・2ch boost DCDC converter with current mode・LED protection circuit (Max duty protection, LED OCP protection)
・Over-voltage protection (OVP) for the output voltage Vout
・Adjustable soft start
・The wide range of analog dimming 0.2V-3.0V
・2ch independent PWM dimming input
・The UVLO detection for the input voltage of the power stage
・FAIL logic output
