LM3503ITL-44/NOPB National Semiconductor, LM3503ITL-44/NOPB Datasheet - Page 10
LM3503ITL-44/NOPB
Manufacturer Part Number
LM3503ITL-44/NOPB
Description
IC, LED DRIVER, CONSTANT CURRENT, µSMD16
Manufacturer
National Semiconductor
Datasheet
1.LM3503ITL-44NOPB.pdf
(20 pages)
Specifications of LM3503ITL-44/NOPB
Led Driver Application
Display Backlighting, Cellular Phones And PDAs
No. Of Outputs
2
Output Current
1.05A
Output Voltage
44V
Input Voltage
2.5V To 5.5V
Topology
Constant Current
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Typical Performance Characteristics
(See Typical Application Circuit : L=DO1608C-223 and
D=B150-13. Efficiency: η = P
/ P
= [(V
– V
) * I
] / [V
* I
]. T
= +25˚C, unless otherwise stated.) (Continued)
OUT
IN
OUT
Fb
OUT
IN
IN
A
6 LED Efficiency vs LED Current
4 LED Efficiency vs LED Current
20128612
20128613
Cntrl Pin Current vs Cntrl Pin Voltage
Maximum Duty Cycle vs Temperature
20128614
20128615
En1 Pin Current vs En1 Pin Voltage
En2 Pin Current vs En2 Pin Voltage
20128663
20128664
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