LM3424BSTEVAL National Semiconductor, LM3424BSTEVAL Datasheet - Page 35

• Manufacturer Part Number: LM3424BSTEVAL
• Description: LM3424 Constant Current N-Channel Controller with Thermal Foldback for Driving LEDs; Qty per Container: 1/
• Manufacturer: National Semiconductor

Applications Information
The following designs are provided as reference circuits. For a specific design, the steps in the Design Procedure section should
be performed. In all designs, an RC filter (0.1 µF, 10Ω) is recommended at VIN placed as close as possible to the LM3424 device.
This filter is not shown in the following designs.
DESIGN #2 - BOOST Application
Features
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Input: 8V to 28V
Output: 9 LEDs at 1A
65°C - 100°C Thermal Foldback
PWM Dimming up to 30kHz
700 kHz Switching Frequency
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