White LED Driver for large LCD Panels (DCDC Converter type) - BD9483FV

BD9483FV 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. BD9483FV 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 BD9483FV is available for the fail-safe design over a wide range output voltage.

Data Sheet

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Additional Information

FAQ

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* This product is a STANDARD grade product and not recommend for on-vehicle devices.

número de peça	Estado de Condição	pacote	Quantidade Unidade	Quantidade mínima Package	tipo de embalagem	RoHS
BD9483FV-GE2	Active	SSOP-B24	2000	2000	Taping	sim

especificações:

Topology	Boost
Number of Outputs	2
Vin(Min.)[V]	11.0
Vin(Max.)[V]	35.0
Frequency(Max.)[MHz]	0.15
Integrated FET	No
Dimming	PWM
Operating Temperature (Min.)[°C]	-40
Operating Temperature (Max.)[°C]	85

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características:

・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

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Dados técnicos

Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.

Part Explanation

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