LM3502SQ-25/NOPB National Semiconductor, LM3502SQ-25/NOPB Datasheet - Page 10

• Manufacturer Part Number: LM3502SQ-25/NOPB
• Description: IC, WHITE LED DRIVER, BOOST, LLP-10
• Manufacturer: National Semiconductor

Specifications of LM3502SQ-25/NOPB

• Led Driver Application: Display Backlighting, Cellular Phones And PDAs
• No. Of Outputs: 2
• Output Current: 600mA
• Output Voltage: 24.5V
• Input Voltage: 2.5V To 5.5V
• Topology: Boost
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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Typical Performance Characteristics
Efficiency: η = P
Cntrl Pin Current vs Cntrl Pin Voltage
En1 Pin Current vs En1 Pin Voltage
6 LED Efficiency vs LED Current
OUT
/P
IN
= [(V
OUT
– V
Fb
) * I
OUT
]/[V
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IN
* I
IN
]. T
A
( Circuit in Figure 1: L = DO1608C-223 and D = MBRM140T3.
= 25˚C, unless otherwise stated.) (Continued)
10
Maximum Duty Cycle vs Temperature
En2 Pin Current vs En2 Pin Voltage
4 LED Efficiency vs LED Current
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