LM3414MR/NOPB National Semiconductor, LM3414MR/NOPB Datasheet - Page 8

• Manufacturer Part Number: LM3414MR/NOPB
• Description: IC LED DRIVER BUCK 1A 8-PSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Automotive, High Brightness (HBLED)r

Specifications of LM3414MR/NOPB

• Constant Current: Yes
• Topology: Low Side, PWM, Step-Down (Buck)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Automotive, General Purpose
• Type - Secondary: High Brightness LED (HBLED)
• Frequency: 250kHz ~ 1MHz
• Voltage - Supply: 4.5 V ~ 42 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 1A
• Internal Switch(s): Yes
• Efficiency: 96%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -

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Typical Performance Characteristics
application for driving twelve power LEDs with I
(6 LED, V
Efficiency vs V
I
OUT
I
OUT
vs Temperature (T
vs V
IN
LM3414HV
LM3414HV
= 24V), LM3414HV
IN
, (4 - 8 LED)
IN
, (4 - 8 LED)
A
)
LED
30124843
30124859
30124841
= 1A shown in this datasheet. T
8
All curves taken at V
(12 LED, V
Efficiency vs V
A
I
I
OUT
OUT
= 25°C, unless otherwise specified.
IN
= 48V with configuration in typical
vs V
vs Temperature (T
LM3414HV
LM3414HV
IN
IN
= 48V), LM3414HV
, (10 - 18 LED)
IN
, (10 - 18 LED)
A
)
30124844
30124860
30124842