Dual-Display Constant Current LED Driver with Analog Brightness Control 16-WQFN -40 to 85
Dual-Display Constant Current LED Driver with Analog Brightness Control 16-WQFN -40 to 85 Product overview: LM3503SQ-16/NOPB from Texas Instruments is a LED Driver IC for LED lighting, display backlights, indicator control, automotive lighting, signage, and regulated current drive circuits. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Dual. Search-friendly keywords include LED driver IC, constant current, lighting control, display backlight, Dual, External/Internal LED Drivers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 137-LM3503SQ-16/NOPB
Manufacturer: Texas Instruments
Win Source Part Number: 1198963-LM3503SQ-16/
Packaging: Reel - TR
Type: DC DC Regulator
Operating Temperature Range: -40°C ~ 85°C (TA)
Package: 16-WFQFN Exposed Pad
Applications: Backlight
Mounting: SMD
Voltage - Output: 16V
Frequency: 1MHz
Internal Switch(s): Yes
Topology: Step-Up (Boost)
Number of Outputs: 2
Part Status: Obsolete(EOL)
Dimming: Analog, PWM
Family Name: LM3503
Categories: Integrated Circuits (ICs)
Manufacturer Homepage: www.ti.com
Manufacturer Package: 16-WQFN (4x4)
Voltage Supply MAX: 5.5V
Output Current per Channel: 400mA (Switch)
Voltage Supply MIN: 2.5V
Alternative Parts (Cross-Reference): BD1603NUV-E2; STLED25JR; MAX1553ETA-T;
Introduction Date: July 01, 2005
ECCN: EAR99
Country of Origin: Malaysia
Estimated EOL Date: Obsolete
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 67 pct.
Supply and Demand Status: Limited
LED Driver IC 2 Output DC DC Regulator Step-Up (Boost) Analog, PWM Dimming 400mA (Switch) 16-WQFN (4x4)
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| Texas Instruments | ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|
| Product Category | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers |
| Product Number | LM3503SQ-16/NOPB | 137-LM3503SQ-16/NOPB | 1198963-LM3503SQ-16/NOPB | LM3503SQ-16/NOPBTR-ND | LM3503SQ-16/NOPB | LM3503SQ-16/NOPB |
| Product Name | LM3503 Dual-Display Constant Current LED Driver with Analog Brightness Control | Dual LED Driver IC | PMIC - PMIC - LED Drivers - LM3503SQ-16/NOPB | LED Drivers | PMIC - LED Drivers | Integrated Circuits (ICs) - Power Management (PMIC) - LED Drivers |
| Form Factor | Intgrated Circuit (IC) | Intgrated Circuit (IC) | Intgrated Circuit (IC) | |||
| Input Voltage | 2.7 to 5.5 volts | 2.5 to 5.5 volts | 2.5 to 5.5 volts | |||
| Output Voltage | 15 to 40 volts | 16 volts | 16 volts | 16 volts | ||
| Efficiency | 83 % | |||||
| Number of Channels | 2 # | 2 # |
