LM3409EVAL National Semiconductor, LM3409EVAL Datasheet - Page 7

• Manufacturer Part Number: LM3409EVAL
• Description: BOARD EVALUATION FOR LM3409
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM3409EVAL

• Current - Output / Channel: 1A
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 15V
• Features: Dimmable
• Voltage - Input: 6 ~ 42 V
• Utilized Ic / Part: LM3409
• Kit Contents: Board, Datasheet
• Svhc: No SVHC (15-Dec-2010)
• Kit Features: Drives 4 LEDs At Maximum Average LED Current 1A From DC Input Voltage 24V
• Mcu Supported Families: LM3409
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

20kHz 50% EN pin PWM dimming (rising edge)
V
V
O
O
20kHz 50% EN pin PWM dimming
= 42V (12 LEDs); V
= 42V (12 LEDs); V
Internal EN Pin PWM Dimming
V
O
= 17V (5 LEDs); V
IN
IN
= 48V
= 48V
IN
= 24V
(Note
(Note
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9)
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100kHz 50% External FET PWM dimming (rising edge)
100kHz 50% External FET PWM dimming
V
V
External Parallel FET PWM Dimming
O
O
= 42V (12 LEDs); V
= 42V (12 LEDs); V
V
O
= 17V (5 LEDs); V
IN
IN
= 48V
= 48V
IN
= 24V
(Note
(Note
300856b1
9)
9)
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