LM3639A Single Chip 40V Backlight + 1.5A Flash LED Driver 20-DSBGA -40 to 85
Manufacturer: Texas Instruments
Win Source Part Number: 778979-LM3639AYFQT
Packaging: Reel package
Type: DC DC Regulator
Operating Temperature Range: -40°C ~ 85°C (TA)
Package: 20-WFBGA, DSBGA
Applications: Backlight
Mounting: SMD
Voltage - Output: 40V
Frequency: 500kHz, 4MHz
Internal Switch(s): Yes
Topology: Step-Up (Boost)
Number of Outputs: 4
Dimming: PWM
Family Name: LM3639A
Categories: Integrated Circuits (ICs)
Manufacturer Package: 20-DSBGA
Voltage Supply MAX: 5.5V
Output Current per Channel: 30mA, 750mA, 1.5A
Voltage Supply MIN: 2.5V
Alternative Parts (Cross-Reference): MIC5400BWM TR; MIC5400BWM; STP16CPC05PTR; STP16CP596B1R;
Introduction Date: April 16, 2013
ECCN: EAR99
Country of Origin: Malaysia
Estimated EOL Date: 2031
Halogen Free: Compliant
Popularity: Medium
Fake Threat In the Open Market: 64 pct.
Supply and Demand Status: Limited
LED Driver IC 4 Output DC DC Regulator Step-Up (Boost) PWM Dimming 30mA, 750mA, 1.5A 20-DSBGA (2.04x1.78)
LED Driver IC 4 Output DC DC Regulator Step-Up (Boost) PWM Dimming 30mA, 750mA, 1.5A 20-DSBGA (2.04x1.78)
LED Driver IC 4 Output DC DC Regulator Step-Up (Boost) PWM Dimming 30mA, 750mA, 1.5A 20-DSBGA (2.04x1.78)
LM3639A Single chip 40V backlight + 1.5A flash LED driver 20-DSBGA -40 to 85 Product overview: LM3639AYFQT 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 40V, 1.5A. Search-friendly keywords include LED driver IC, constant current, lighting control, display backlight, 40V, 1.5A, External/Internal LED Drivers. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 137-LM3639AYFQT can be used for catalog matching and distributor lookup.
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| Texas Instruments | Win Source Electronics | DigiKey | ERSAELECTRONICS PTE. LTD. | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|
| Product Category | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers | LED Drivers |
| Product Number | LM3639AYFQT | 778979-LM3639AYFQT | 296-LM3639AYFQTTR-ND | 137-LM3639AYFQT | LM3639AYFQT | LM3639AYFQT |
| Product Name | LM3639A LM3639A Single Chip 40V Backlight + 1.5A Flash LED Driver | Board Mount LED Drivers - LM3639AYFQT | LED Drivers | 40V 1.5A LED Driver IC | PMIC - LED Drivers | Integrated Circuits (ICs) - Power Management (PMIC) - LED Drivers |
| Form Factor | Intgrated Circuit (IC) | Intgrated Circuit (IC) | Intgrated Circuit (IC) | |||
| Input Voltage | 2.5 to 5.5 volts | 2.5 to 5.5 volts | 2.5 to 5.5 volts | |||
| Output Voltage | 40 volts | 40 volts | 40 volts | 40 volts | ||
| Efficiency | 87 % | |||||
| Number of Channels | 2 # | 4 # |
