What are LED Drivers ?
LED Drivers are specialized integrated circuits designed to regulate power for LED lighting systems. They are commonly used in applications such as industrial power management, lighting control, and display systems. Important specifications for selection include Current, which affects brightness and efficiency; Dimming capability, which allows for adjustable light levels; and Operating Temperature, which ensures reliability under varying environmental conditions. Procurement teams should validate lifecycle status and consider alternate-source options to mitigate sourcing risks.
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| Part & Mfr | Applications | Current | Dimming | Frequency | Internal Switch(s) | Mounting Type | Number of Outputs | Operating Temperature | Supplier Device Package | Topology | Type | Voltage | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lumissil Microsystems
|
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Automotive, Lighting | 1.5A | PWM | - | No | Surface Mount | 1 | -40°C ~ 125°C (TA) | 8-SOP-EP | Buck | DC DC Regulator | 4.5V | |
On Semiconductor
|
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Backlight, Lighting, Signage | 175mA | PWM | - | Yes | Surface Mount | 3 | -40°C ~ 105°C (TA) | 16-SOIC | - | Linear | 3V | |
Toshiba
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- | 40mA | - | - | Yes | Surface Mount | 8 | -40°C ~ 85°C (TA) | 16-SSOP | Shift Register | Linear | 3V | |
Diodes Incorporated
|
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Backlight, Lighting, Signage | 400mA (Switch) | Analog, PWM | 300kHz | Yes | Surface Mount | 1 | -40°C ~ 105°C (TA) | U-DFN6040-12 | Step-Down (Buck) | AC DC Offline Switcher | 15V | |
|
Diodes Incorporated
|
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- | 1A | PWM | 1MHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | TSOT-25 | Step-Down (Buck) | DC DC Regulator | 6V | |
Lumissil Microsystems
|
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LED Lighting | 38mA | No | 23kHz | No | Surface Mount | 18 | -40°C ~ 125°C (TA) | 28-QFN (4x4) | Constant Current | Linear | 2.7V | |
Maxlinear
|
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Backlight | 500mA (Switch) | PWM | 1MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | SOT-23-6 | Step-Up (Boost) | DC DC Regulator | 2.5V | |
Lumissil Microsystems
|
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Backlight | 38mA | I²C | - | Yes | Surface Mount | 28 | -40°C ~ 85°C (TA) | 36-QFN (4x4) | - | Linear | 2.7V | |
Lumissil Microsystems
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Automotive, Lighting | 3A | PWM | - | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | 8-SOP-EP | Step-Down (Buck) | DC DC Regulator | 4.5V | |
Texas Instruments
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Backlight | 80mA | - | 30MHz | Yes | Surface Mount | 16 | -40°C ~ 85°C (TA) | 32-VQFN (5x5) | Shift Register | Linear | 3V | |
Lumissil Microsystems
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LED Lighting | 38mA | No | 32kHz | No | Surface Mount | 18 | -40°C ~ 125°C (TA) | 28-QFN (4x4) | Constant Current | Linear | 2.7V | |
Lumissil Microsystems
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LED Lighting | 38mA | - | 3kHz, 22kHz | No | Surface Mount | 36 | -40°C ~ 125°C (TA) | 44-QFN (5x5) | Constant Current | Linear | 2.7V | |
Lumissil Microsystems
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LED Lighting | 38mA | - | 3kHz, 22kHz | No | Surface Mount | 36 | -40°C ~ 125°C (TA) | 48-eTQFP (7x7) | Constant Current | Linear | 2.7V | |
|
Lumissil Microsystems
|
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LED Lighting | 38mA | No | 31.5kHz | No | Surface Mount | 24 | -40°C ~ 125°C (TA) | 32-QFN (4x4) | Constant Current | Linear | 2.7V | |
|
Lumissil Microsystems
|
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General Purpose | 34.5mA | PWM | 29kHz | No | Surface Mount | 4 | -40°C ~ 125°C (TA) | 32-QFN (4x4) | - | Linear | 2.7V | |
|
Allegro Microsystems
|
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Automotive | 100mA | PWM | - | Yes | Surface Mount | 4 | -40°C ~ 125°C (TA) | 10-MSOP-EP | - | Linear | 6V | |
Lumissil Microsystems
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- | 38mA | PWM | 31.5kHz | No | Surface Mount | 36 | -40°C ~ 125°C (TA) | 44-QFN (5x5) | - | Linear | 2.7V | |
Allegro Microsystems
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Automotive, Lighting | 2A | Analog, PWM | 360kHz ~ 2.2MHz | Yes | Surface Mount, Wettable Flank | 1 | -40°C ~ 150°C (TJ) | 10-DFN (3x3) | Step-Down (Buck), Step-Up (Boost) | DC DC Regulator | 3.8V | |
Semtech
|
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Backlight | 25mA | - | 400kHz | Yes | Surface Mount | 8 | -40°C ~ 85°C (TA) | 16-MLPQ-UT (3x3) | - | Linear | 2.7V | |
Lumissil Microsystems
|
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Automotive, Lighting | 38mA | No | 31.5kHz | No | Surface Mount | 36 | -40°C ~ 125°C (TA) | 48-eTQFP (7x7) | Constant Current | Linear | 2.7V | |
|
Diodes Incorporated
|
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Automotive, Lighting, Signage | 1A | PWM | 1MHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | TSOT-25 | Step-Down (Buck) | DC DC Regulator | 6V | |
Lumissil Microsystems
|
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General Purpose | 42mA | I²C, PWM | 1MHz | Yes | Surface Mount | 16 | -40°C ~ 125°C (TA) | 48-QFN (6x6) | Constant Current | Linear | 2.7V | |
|
Texas Instruments
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- | - | - | - | - | - | - | - | - | - | - | - | |
Diodes Incorporated
|
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Automotive, Lighting, Signage | 1A | PWM | 1MHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | 8-SO-EP | Step-Down (Buck) | DC DC Regulator | 6V | |
Intersil
|
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Backlight | - | - | 1.5MHz | - | Surface Mount | - | - | TSOT-23-8 | Step-Up (Boost) | DC DC Regulator | 2.6V | |
Diodes Incorporated
|
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- | - | PWM | 1MHz | No | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 16-TSSOP-EP | Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 8V | |
Analog Devices / Maxim Integrated
|
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Backlight | 25mA | - | 900kHz | Yes | Surface Mount | 3 | -40°C ~ 85°C (TA) | 12-DFN (3x2) | Switched Capacitor (Charge Pump) | DC DC Regulator | 2.7V | |
Texas Instruments
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- | 20mA | - | - | Yes | Surface Mount | 1 | -30°C ~ 85°C (TA) | 6-DSBGA (1.44x1.16) | - | Linear | 2.7V | |
Monolithic Power Systems
|
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Automotive, Backlight, Lighting | 2.5A | Analog, PWM | 500kHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | 10-QFN (3x3) | Step-Down (Buck), Step-Up (Boost) | DC DC Regulator | 4.5V | |
Atmel
|
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Backlight | - | PWM | 20MHz | No | Surface Mount | 8 | -40°C ~ 105°C (TA) | 40-TQFN (6x6) | - | Linear | 10.8V | |
ROHM Semiconductor
|
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Backlight | 50mA | PWM | 1.23MHz | No | Surface Mount | 24 | -40°C ~ 105°C (TA) | VQFN48MCV070 | - | Linear | 3V | |
Analog Devices / Maxim Integrated
|
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Backlight | 320mA (Switch) | Analog, PWM | 1.2MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | TSOT-23-5 | Step-Up (Boost) | DC DC Regulator | 2.5V | |
Analog Devices / Maxim Integrated
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Backlight | 225mA (Switch) | PWM | 1.2MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | TSOT-23-6 | Step-Up (Boost) | DC DC Regulator | 2.7V | |
Analog Devices / Maxim Integrated
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Backlight | 45mA | - | 1MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TJ) | TSOT-23-6 | Step-Up (Boost) | DC DC Regulator | 2.7V | |
Analog Devices / Maxim Integrated
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Signage | 80mA (Switch) | PWM | 850kHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TJ) | SC-70-8 | Step-Down (Buck) | DC DC Regulator | 4.5V | |
Analog Devices / Maxim Integrated
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Backlight | 40mA | PWM | 1.2MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | TSOT-23-6 | Step-Up (Boost) | DC DC Regulator | 1V | |
Analog Devices / Maxim Integrated
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- | 28mA | I²C | 850kHz | Yes | Surface Mount | 9 | -40°C ~ 85°C (TA) | 20-QFN (3x3) | Switched Capacitor (Charge Pump) | DC DC Regulator | 2.9V | |
Analog Devices / Maxim Integrated
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Camera Flash | 1A | - | 1MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | 10-DFN (3x3) | Step-Down (Buck), Step-Up (Boost) | DC DC Regulator | 2.7V | |
Analog Devices / Maxim Integrated
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Signage | 55mA | - | - | Yes | Surface Mount | 16 | -40°C ~ 125°C (TA) | 24-TSSOP | Shift Register | Linear | 3V | |
|
Texas Instruments
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- | - | - | - | - | - | - | - | - | - | - | - | |
Analog Devices / Maxim Integrated
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Lighting | 700mA | PWM | 2MHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | 8-SOIC-EP | Step-Down (Buck) | DC DC Regulator | 6.5V | |
Analog Devices / Maxim Integrated
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Backlight | 40mA | PWM | 1.2MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | TSOT-23-6 | Step-Up (Boost) | DC DC Regulator | 1V | |
Analog Devices / Maxim Integrated
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Backlight | 400mA | PWM | 1MHz | Yes | Surface Mount | 2 | -40°C ~ 85°C (TA) | 10-DFN (3x3) | Step-Up (Boost) | DC DC Regulator | 2.7V | |
Analog Devices / Maxim Integrated
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Backlight | 1.5A (Switch) | Analog, PWM | 250kHz ~ 2.5MHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 16-QFN (4x4) | Step-Down (Buck), Step-Up (Boost) | DC DC Regulator | 3V | |
Analog Devices / Maxim Integrated
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- | - | Analog, PWM | 100kHz ~ 1MHz | No | Surface Mount | 1 | 0°C ~ 125°C (TJ) | 16-MSOP-EP | Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 4.5V | |
Analog Devices / Maxim Integrated
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Signage | 55mA | - | - | Yes | Surface Mount | 16 | -40°C ~ 125°C (TA) | 24-SOIC | Shift Register | Linear | 3V | |
Analog Devices / Maxim Integrated
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Backlight | 20mA | - | - | Yes | Surface Mount | 10 | -40°C ~ 125°C (TA) | 16-QSOP | - | Linear | 2.25V | |
Analog Devices / Maxim Integrated
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- | 28mA | I²C | 850kHz | Yes | Surface Mount | 9 | -40°C ~ 85°C (TA) | 20-QFN (3x3) | Switched Capacitor (Charge Pump) | DC DC Regulator | 2.9V | |
Analog Devices / Maxim Integrated
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Lighting, Signage | 55mA | - | - | Yes | Surface Mount | 8 | -40°C ~ 125°C (TA) | 16-TSSOP-EP | Shift Register | Linear | 3V | |
Analog Devices / Maxim Integrated
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- | - | Analog, PWM | 100kHz ~ 1MHz | No | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 28-TSSOP-EP | - | DC DC Controller | 4.5V |
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