LM3502SQ-25/NOPB National Semiconductor, LM3502SQ-25/NOPB Datasheet - Page 11

• 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

Typical Performance Characteristics
( Circuit in Figure 1: L = DO1608C-223 and D = MBRM140T3.
Efficiency: η = P
/P
= [(V
– V
) * I
]/[V
* I
]. T
= 25˚C, unless otherwise stated.) (Continued)
OUT
IN
OUT
Fb
OUT
IN
IN
A
V
Pin Current vs V
Pin Voltage
Power NMOS R
(Figure 2: N1) vs V
OUT1
OUT1
DS(ON)
IN
20131719
20131720
NMOS R
(Figure 2: N2) vs V
PMOS R
(Figure 2: P1) vs V
DS(ON)
IN
DS(ON)
IN
20131722
20131721
Feedback Voltage vs Temperature
20131725
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