BD9479FV
White LED Driver for large LCD Panels (DCDC Converter type)
BD9479FV
White LED Driver for large LCD Panels (DCDC Converter type)
BD9479FV is a high efficiency driver for white LED sand designed for large LCDs. This IC is built-in a boost DCDC converters that employ an array of LEDs as the light source. BD9479FV has some protect function against fault conditions, such as the over-voltage protection (OVP), the over current limit protection of DCDC (OCP), the short circuit protection (SCP), the open detection of LED string. Therefore BD9479FV 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]
9
Vin(Max.)[V]
35
Number of Outputs
8
Switching Frequency (Max.)[MHz]
0.8
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
Package Size [mm]
13.6x7.8 (t=2)
Features:
・ 8ch LED constant current driver (external PNP Tr Type)・ Maximum LED setting current 500mA (VREF pin setting)
・ Build-in DC/DC converter
・ Analog Dimming (Linear) function
・ Individual channel PWM Dimming function
・ LED protection function (Open Short protection) [PWM-independent Type]
・ Output short protection (OVP)
・ Built-in Timer latch function (CP)
・ Built-in under voltage Lockout function (UVLO)・over voltage protection (OVP)
・ Built-in FAIL indication function
・ Built-in OVP voltage Feedback function
・ Built-in PWM-independent soft start circuit
・ SSOP-B40 Package
