LM3503ITL-25/NOPB National Semiconductor, LM3503ITL-25/NOPB Datasheet - Page 10

• Manufacturer Part Number: LM3503ITL-25/NOPB
• Description: IC LED DRVR WHT BCKLT 10MICROSMD
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Backlight, White LEDr

Specifications of LM3503ITL-25/NOPB

• 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: 10-MicroSMD
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 600mA
• Internal Switch(s): Yes
• Efficiency: 80%
• For Use With: LM3503ITL-25EV - BOARD EVALUATION LM3503ITL-25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM3503ITL-25; LM3503ITL-25TR

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.) (Continued)
OUT
IN
OUT
Fb
OUT
IN
IN
A
6 LED Efficiency vs LED Current
4 LED Efficiency vs LED Current
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Cntrl Pin Current vs Cntrl Pin Voltage
Maximum Duty Cycle vs Temperature
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En1 Pin Current vs En1 Pin Voltage
En2 Pin Current vs En2 Pin Voltage
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