LM3503SQ-16/NOPB National Semiconductor, LM3503SQ-16/NOPB Datasheet - Page 9
![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.)
OUT
IN
OUT
Fb
OUT
IN
IN
A
I
(Non-Switching) vs V
Switching Frequency vs Temperature
Q
IN
20128606
20128607
I
(Switching) vs V
I
(Switching) vs Temperature
Q
IN
Q
20128608
20128609
10 LED Efficiency vs LED Current
8 LED Efficiency vs LED Current
20128611
20128610
9
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