LM3503SQX-25/NOPB National Semiconductor, LM3503SQX-25/NOPB Datasheet - Page 11
![IC LED DRIVER WHTE BCKLGT 16-LLP](/photos/6/68/66869/pkg_sqa16a_sml.jpg)
LM3503SQX-25/NOPB
Manufacturer Part Number
LM3503SQX-25/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-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
16-LLP
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
600mA
Internal Switch(s)
Yes
Efficiency
80%
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM3503SQX-25
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM3503SQX-25/NOPB
Manufacturer:
SANYO
Quantity:
6 218
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
20128622
– V
IN
20128618
20128620
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
20128621
IN
20128655
20128619
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