LM3503ITL-44/NOPB National Semiconductor, LM3503ITL-44/NOPB Datasheet - Page 9

• Manufacturer Part Number: LM3503ITL-44/NOPB
• Description: IC, LED DRIVER, CONSTANT CURRENT, µSMD16
• Manufacturer: National Semiconductor

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.)
OUT
IN
OUT
Fb
OUT
IN
IN
A
I
(Non-Switching) vs V
Switching Frequency vs Temperature
Q
IN
20128606
20128607
I
(Switching) vs V
I
(Switching) vs Temperature
Q
IN
Q
20128608
20128609
10 LED Efficiency vs LED Current
8 LED Efficiency vs LED Current
20128611
20128610
9
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