LM3429MH National Semiconductor, LM3429MH Datasheet - Page 5

• Manufacturer Part Number: LM3429MH
• Description: IC, LED DRIVER, CNTRL, 14TSSOP
• Manufacturer: National Semiconductor

Specifications of LM3429MH

• Led Driver Application: Automotive, General Illumination
• No. Of Outputs: 1
• Output Current: 1A
• Input Voltage: 4.5V To 75V
• Dimming Control Type: Analogue / PWM
• Topology: Boost, Buck, Buck-Boost, SEPIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Performance Characteristics
Boost LED Current vs. Input Voltage
Boost Efficiency vs. Input Voltage
V
V
V
O
O
O
= 32V (9 LEDs)
= 32V (9 LEDs)
= 20V (6 LEDs)
Analog Dimming
(Note
(Note
(Note
9)
9)
8)
300944b6
300944b8
300944b9
5
T
A
=+25°C and V
Buck-boost LED Current vs. Input Voltage
Buck-Boost Efficiency vs. Input Voltage
IN
V
V
V
O
O
O
= 14V unless otherwise specified
= 20V (6 LEDs)
= 20V (6 LEDs)
= 20V (6 LEDs)
PWM Dimming
(Note
(Note
(Note
8)
8)
8)
300944b5
300944c0
300944b7
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