LM3503SQ-35/NOPB National Semiconductor, LM3503SQ-35/NOPB Datasheet - Page 11

• Manufacturer Part Number: LM3503SQ-35/NOPB
• Description: IC LED DRIVER WHTE BCKLGT 16-LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Backlight, White LEDr

Specifications of LM3503SQ-35/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: 33 V ~ 34 V
• Mounting Type: Surface Mount
• Package / Case: 16-LLP
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 750mA
• Internal Switch(s): Yes
• Efficiency: 80%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM3503SQ-35; LM3503SQ-35NOPB; LM3503SQ-35NOPBTR; LM3503SQ-35NOPBTR; LM3503SQ-35TR

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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