LM3502ITL-44EV National Semiconductor, LM3502ITL-44EV Datasheet
![BOARD EVALUATION LM3502ITL-44](/photos/9/16/91683/lm3502itl-44ev_sml.jpg)
LM3502ITL-44EV
Specifications of LM3502ITL-44EV
Related parts for LM3502ITL-44EV
LM3502ITL-44EV Summary of contents
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... For evaluation purpose, the evaluation board is as- sembled in micro SMD package (LM3503ITL) and 44V version (LM3502ITL). The LM3502/03 Typical Application © 2006 National Semiconductor Corporation National Semiconductor Application Note 1407 Anne Lu July 2006 are also available in 16-LLP package (see ordering informa- tion) ...
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Typical Application (Continued) PWM Dimming If PWM dimming is desired to control the brightness of the LED string, care must be taken to balance the tradeoffs between audible noise and brigthness control. For best PWM duty cycle vs current linearity, ...
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PWM Dimming (Continued) FIGURE 3. Typical Circuit for PWM Dimming (LM3503) LED Current Setting LEDcurrent is set using the following equation for LM3502/LM3503: If analog control is used for brightness control in the LM3503, the relationship between V using the ...
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... Samples Ordering Information Voltage Option (V) Order Number LM3502 16 LM3502ITL-16 16 LM3502ITLX-16 16 LM3502SQ-16 16 LM3502SQX-16 25 LM3502ITL-25 25 LM3502ITLX-25 25 LM3502SQ-25 25 LM3502SQX-25 35 LM3502ITL-35 35 LM3502ITLX-35 35 LM3502SQ-35 35 LM3502SQX-35 44 LM3502ITL-44 44 LM3502ITLX-44 44 LM3502SQ-44 44 LM3502SQX-44 www.national.com FIGURE 5. 16-Thin Leadless Leadframe Package 20168901 Package Marking Order Number LM3503 SANB LM3503ITL-16 SANB LM3503ITLX-16 L00048B ...
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Pin Descriptions Bump # LLP Pin # & & DAP Printed Circuit Board (PCB) ...
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Printed Circuit Board (PCB) Layout Top Traces Top Pads www.national.com (Continued) Bottom Traces 20168911 Bottom Pads 20168915 6 20168912 20168916 ...
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... Printed Circuit Board (PCB) Layout Bill of Materials for LM3502ITL & LM3503ITL Device LM3502ITL-44 LM3503ITL- OUT R1 DIODE WHITE LED INDUCTOR Test pins: VOUT, SW, VIN, FB, CNTRL, EN1, EN2 & GND National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications ...