LM3503ITL-44/NOPB National Semiconductor, LM3503ITL-44/NOPB Datasheet - Page 11

• 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
D=B150-13. Efficiency: η = P
V
Feedback Voltage vs Cntrl Pin Voltage
OUT1
NMOS R
Pin Current vs V
DS(ON)
(Figure 1: N2) vs V
OUT
/ P
OUT1
IN
= [(V
Pin Voltage
OUT
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– V
IN
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Fb
) * I
OUT
] / [V
(See Typical Application Circuit : L=DO1608C-223 and
11
IN
* I
IN
]. T
Power NMOS R
Current Limit (LM3503-16) vs Temperature
A
PMOS R
= +25˚C, unless otherwise stated.) (Continued)
DS(ON)
DS(ON)
(Figure 1: P1) vs V
(Figure 1: N1) vs V
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IN
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