LM3503SQX-44 National Semiconductor Corporation, LM3503SQX-44 Datasheet - Page 13
LM3503SQX-44
Manufacturer Part Number
LM3503SQX-44
Description
Dual-display Constant Current Led Driver With Analog Brightness Control
Manufacturer
National Semiconductor Corporation
Datasheet
1.LM3503SQX-44.pdf
(20 pages)
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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
20128650
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