White LED Driver
Datasheet
LED Drivers for LCD Backlights
White LED Driver for large LCD panel
BD9422EFV
●General Description BD9422EFV...
Description
Datasheet
LED Drivers for LCD Backlights
White LED Driver for large LCD panel
BD9422EFV
●General Description BD9422EFV is a high efficiency driver for white LEDs and designed for large LCD panel. This IC is built-in high current drive and high responsibility type 6ch LED drivers and 1ch boost DCDC converter. BD9422EFV has some protect function against fault conditions, such as the over-voltage protection (OVP), LED OPEN and SHORT protection, the over current limit protection of DCDC (OCP). Therefore BD9422EFV is available for the fail-safe design over a wide range output voltage.
●Key Specification
Operating power supply voltage range: 9.0V to 35.0V
Oscillator frequency:
500kHz (RT=30kΩ)
Operating Current:
9mA (typ.)
Operating temperature range:
-40°C to +85°C
●Applications TV, Computer Display, Notebook, LCD Backlighting
●Typical Application Circuit
●Features
■ 6ch Constant LED drivers, available 400mA drive
per 1ch.
■ Constant current...
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