LM3503SQ-25
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- Mfr.Part #
- LM3503SQ-25
- Manufacturer
- National Semiconductor
- Package / Case
- 16-WFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC LED DRV RGLTR PWM 16WQFN
- Stock
- 837
- In Stock ：
- 837
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- Manufacturer :
- National Semiconductor
- Product Category :
- LED Drivers
- Quiescent Current :
- 1.9mA
- Internal Switch(s) :
- yes
- Terminal Finish :
- Matte Tin (Sn)
- JESD-609 Code :
- e3
- Packaging :
- Tape and Reel (TR)
- Width :
- 4mm
- Peak Reflow Temperature (Cel) :
- 260
- Lead Free :
- Contains Lead
- Terminal Position :
- QUAD
- Power Supplies :
- 3/5V
- Type :
- DC DC Regulator
- Applications :
- Backlight
- Switching Frequency :
- 1MHz
- Operating Temperature :
- -40°C~85°C TA
- Output Current per Channel :
- 600mA
- Min Supply Voltage :
- 2.5V
- Voltage - Supply (Min) :
- 2.5V
- Output Current :
- 800mA
- Max Supply Current :
- 3mA
- Number of Pins :
- 16
- Base Part Number :
- LM3503
- ECCN Code :
- EAR99
- Mounting Type :
- Surface Mount
- Voltage - Output :
- 25V
- Radiation Hardening :
- No
- Current - Output / Channel :
- 600mA Switch
- Number of Terminations :
- 16
- Dimming :
- Analog, PWM
- Package / Case :
- 16-WFQFN Exposed Pad
- Pbfree Code :
- No
- Number of Outputs :
- 2
- RoHS Status :
- ROHS3 Compliant
- Topology :
- Step-Up (Boost)
- Mount :
- Surface Mount
- Max Supply Voltage :
- 5.5V
- Terminal Pitch :
- 0.5mm
- Number of Segments :
- 10
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Datasheets
- LM3503SQ-25
LM3503SQ-25 Documents
LED Drivers National Semiconductor LM3503SQ-25 Overview
The LM3503SQ-25, a high-efficiency LED driver from National Semiconductor, is designed to meet the rigorous demands of modern lighting solutions. This compact, yet powerful, integrated circuit (IC) is encapsulated in a 16-WQFN package, making it an ideal choice for space-constrained applications. It supports a wide input voltage range and provides a regulated output with PWM control, ensuring consistent brightness and color quality. The LM3503SQ-25 is specifically tailored to enhance the performance and reliability of LED arrays, making it a pivotal component in developing advanced lighting systems. Its robust design includes features that facilitate thermal management and protect against conditions such as overcurrent and thermal overload, securing its role in prolonging the lifespan of lighting solutions.
LM3503SQ-25 Features
This LED driver IC stands out due to its efficiency and versatility. It includes features like an adjustable output current, which allows users to fine-tune the brightness of LEDs to suit specific requirements. The PWM dimming capability offers precise control over lighting effects, enhancing the user experience in various applications. Additionally, the LM3503SQ-25's thermal shutdown feature and overcurrent protection ensure safe operation under different environmental conditions.
LM3503SQ-25 Applications
- Smartphone and Tablet Backlighting: The LM3503SQ-25 drives LED backlights in smartphones and tablets, offering precise brightness control and improved power efficiency, which is crucial for battery-operated devices.
- Automotive Lighting: Utilized in car dashboards and interior lighting, this IC ensures consistent illumination and reliability, vital for automotive safety and aesthetics.
- General Lighting: In home and commercial environments, the LM3503SQ-25 is used in spotlights and architectural lighting, providing stable and controllable lighting to enhance ambiance and functionality.
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