LM3503SQX-44 National Semiconductor Corporation, LM3503SQX-44 Datasheet - Page 11

• Manufacturer Part Number: LM3503SQX-44
• Description: Dual-display Constant Current Led Driver With Analog Brightness Control
• Manufacturer: National Semiconductor Corporation

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
– V
IN
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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
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