LM3503SQ-25 National Semiconductor, LM3503SQ-25 Datasheet - Page 12

• Manufacturer Part Number: LM3503SQ-25
• Description: IC LED DRIVER WHTE BCKLGT 16-LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Backlight, White LEDr

Specifications of LM3503SQ-25

• Constant Current: Yes
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 2
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 800kHz ~ 1.2MHz
• Voltage - Supply: 2.5 V ~ 5.5 V
• Voltage - Output: 23 V ~ 24 V
• Mounting Type: Surface Mount
• Package / Case: 16-LLP
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 600mA
• Internal Switch(s): Yes
• Efficiency: 80%
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LM3503SQ-25TR

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Typical Performance Characteristics
D=B150-13. Efficiency: η = P
Current Limit (LM3503-35/44) vs V
Current Limit (LM3503-16) vs V
Current Limit (LM3503-25) vs V
OUT
/ P
IN
= [(V
OUT
IN
IN
– V
IN
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Fb
) * I
OUT
] / [V
(See Typical Application Circuit : L=DO1608C-223 and
12
IN
* I
IN
Current Limit (LM3503-35/44) vs Temperature
]. T
Current Limit (LM3503-25) vs Temperature
Feedback Voltage (V
A
= +25˚C, unless otherwise stated.) (Continued)
Cntrl
= 0.8V) vs Temp
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