LM3503SQ-16/NOPB National Semiconductor, LM3503SQ-16/NOPB Datasheet - Page 10
![IC LED DRIVER WHTE BCKLGT 16-LLP](/photos/6/68/66869/pkg_sqa16a_sml.jpg)
LM3503SQ-16/NOPB
Manufacturer Part Number
LM3503SQ-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 LM3503SQ-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
LM3503SQ-16
LM3503SQ-16NOPB
LM3503SQ-16NOPBTR
LM3503SQ-16NOPBTR
LM3503SQ-16TR
LM3503SQ-16NOPB
LM3503SQ-16NOPBTR
LM3503SQ-16NOPBTR
LM3503SQ-16TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM3503SQ-16/NOPB
Manufacturer:
NS
Quantity:
742
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
20128612
20128613
Cntrl Pin Current vs Cntrl Pin Voltage
Maximum Duty Cycle vs Temperature
20128614
20128615
En1 Pin Current vs En1 Pin Voltage
En2 Pin Current vs En2 Pin Voltage
20128663
20128664
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