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White LED Driver for large LCD Panels (DCDC Converter type) - BD9483FVBD9483FV 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.
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| * This product is a STANDARD grade product and not recommend for on-vehicle devices. | ||||
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 |
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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