LM3503SQX-16/NOPB National Semiconductor, LM3503SQX-16/NOPB Datasheet - Page 13
![IC LED DRIVER WHTE BCKLGT 16-LLP](/photos/6/68/66869/pkg_sqa16a_sml.jpg)
LM3503SQX-16/NOPB
Manufacturer Part Number
LM3503SQX-16/NOPB
Description
IC LED DRIVER WHTE BCKLGT 16-LLP
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
Backlight, White LEDr
Datasheet
1.LM3503SQ-16NOPB.pdf
(20 pages)
Specifications of LM3503SQX-16/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
15 V ~ 15.5 V
Mounting Type
Surface Mount
Package / Case
16-LLP
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
400mA
Internal Switch(s)
Yes
Efficiency
80%
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM3503SQX-16
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM3503SQX-16/NOPB
Manufacturer:
AD
Quantity:
7 494
Typical Performance Characteristics
D=B150-13. Efficiency: η = P
Feedback Voltage (V
V
IN
= 3.6V at 15mA & 2 Leds
OUT
Cntrl
/ P
= 1.6V) vs Temp
IN
= [(V
OUT
– V
20128626
Fb
20128653
) * I
OUT
] / [V
(See Typical Application Circuit : L=DO1608C-223 and
13
IN
* I
IN
]. T
V
Dimming Duty Cycle vs. LED Current
IN
A
=3.6V, 2LEDs on Main & Sub Display
= +25˚C, unless otherwise stated.) (Continued)
V
IN
= 3.6V at 15mA & 4 Leds
20128661
www.national.com
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