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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Taiwan Semiconductor
|
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Lighting | - | - | - | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | SOT-26 | Step-Down (Buck) | DC DC Controller | 8V | |
Richtek
|
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- | 20mA | PWM | - | Yes | Surface Mount | 4 | -40°C ~ 85°C (TA) | SOT-23-6 | - | Linear | 2.5V | |
Analog Devices / Maxim Integrated
|
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- | - | - | - | - | - | - | - | - | - | - | - | |
Diodes Incorporated
|
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Lighting | 15mA | PWM | - | No | Surface Mount | 1 | -40°C ~ 105°C (TA) | 8-MSOP-EP | - | Linear | 4.5V | |
Diodes Incorporated
|
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Signage | 100mA | PWM | - | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | PowerDI 123 | - | Linear | 2.5V | |
|
Seoul Semiconductor Inc.
|
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- | - | - | - | - | - | - | - | - | - | - | - | |
Richtek
|
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Backlight | 20mA | PWM | 1MHz | No | Surface Mount | 3 | -40°C ~ 85°C (TA) | TSOT-23-8 | Constant Current | Linear | 2.8V | |
Richtek
|
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Backlight, Camera Flash | 100mA | PWM | 1.2MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | TSOT-23-5 | - | DC DC Regulator | 2.7V | |
|
Diodes Incorporated
|
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Backlight | 20mA | Multi-Step | 1MHz | Yes | Surface Mount | 5 | -40°C ~ 85°C (TA) | 16-QFN (3x3) | Switched Capacitor (Charge Pump) | DC DC Regulator | 2.8V | |
|
Diodes Incorporated
|
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Backlight | - | - | 330kHz | No | Surface Mount | 1 | -40°C ~ 85°C (TA) | 8-SOIC | Step-Up (Boost) | DC DC Controller | 4V | |
|
Texas Instruments
|
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- | - | - | - | - | - | - | - | - | - | - | - | |
Diodes Incorporated
|
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Automotive | 120mA | PWM | - | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | PowerDI 123 | - | Linear | 2.5V | |
Diodes Incorporated
|
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Automotive | 200mA | PWM | - | No | Surface Mount, Wettable Flank | 1 | -40°C ~ 105°C (TA) | W-DFN2020-3 /SWP (Type A) | - | Linear | 2.5V | |
|
Diodes Incorporated
|
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Backlight | 250mA | Analog, PWM | 100kHz ~ 1MHz | No | Surface Mount | 4 | -40°C ~ 85°C (TA) | 16-SO | Step-Up (Boost) | DC DC Controller | 4.5V | |
Diodes Incorporated
|
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Backlight | 30mA, 210mA | PWM | 1.2MHz | Yes | Surface Mount | 4 | -40°C ~ 85°C (TA) | U-DFN3030-12 | Switched Capacitor (Charge Pump) | DC DC Regulator | 2.7V | |
Fremont Micro Devices Ltd
|
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Lighting | - | - | - | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | 8-SOP | - | AC DC Offline Switcher | 9.6V | |
|
Diodes Incorporated
|
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Backlight | - | - | 150kHz ~ 1MHz | No | Surface Mount | 1 | -40°C ~ 85°C (TA) | 16-QFN (3x3) | Step-Up (Boost) | DC DC Controller | 5V | |
Richtek
|
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Backlight | 1.2A (Switch) | PWM | 1MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | 8-WDFN (2x2) | Step-Up (Boost) | DC DC Regulator | 2.5V | |
Microchip Technology
|
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Signage | 20mA | - | - | - | Surface Mount | 1 | -40°C ~ 125°C (TJ) | TO-252, (D-Pak) | Constant Current | Linear | 5V | |
Diodes Incorporated
|
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Lighting | - | Triac | - | No | Surface Mount | 1 | -40°C ~ 105°C (TA) | 7-SO | Flyback, Step-Down (Buck), Step-Up (Boost) | AC DC Offline Switcher | 7.1V | |
Microchip Technology
|
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LED Lighting | - | Yes | - | No | Surface Mount | 4 | -40°C ~ 125°C (TJ) | 10-DFN (3x3) | - | AC DC Offline Switcher | 10V | |
Monolithic Power Systems
|
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Lighting | - | Analog, TRIAC | - | No | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 8-SOIC | Flyback | AC DC Offline Switcher | 11V | |
Richtek
|
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- | - | Triac | - | No | Surface Mount | - | -40°C ~ 85°C (TA) | TSOT-23-6 | Step-Down (Buck) | AC DC Offline Switcher | 10V | |
Sanken
|
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- | 400mA | PWM | 200kHz | Yes | Through Hole | 1 | -40°C ~ 105°C (TA) | 8-DIP | Step-Down (Buck) | AC DC Offline Switcher | 25V | |
Diodes Incorporated
|
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Lighting | 1.5A | PWM | - | No | Surface Mount | 2 | -40°C ~ 125°C (TA) | 16-TSSOP-EP | - | Linear | 6.5V | |
Fremont Micro Devices Ltd
|
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Lighting | - | - | - | No | Surface Mount | 1 | -40°C ~ 125°C (TA) | 8-SOP | - | AC DC Offline Switcher | 9.5V | |
|
Texas Instruments
|
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- | - | - | - | - | - | - | - | - | - | - | - | |
Diodes Incorporated
|
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Price and Stock
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Signage | 75mA | PWM | - | Yes | Surface Mount | 1 | -40°C ~ 125°C (TA) | 8-MSOP-EP | - | Linear | 3.5V | |
Microchip Technology
|
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Price on request
Price and Stock
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Lighting, Signage | 20mA | - | - | - | Surface Mount | 1 | -40°C ~ 125°C (TJ) | TO-252, (D-Pak) | - | Linear | 4.75V | |
Taiwan Semiconductor
|
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Price on request
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Automotive, Lighting | 65mA | - | - | Yes | Surface Mount | 1 | -55°C ~ 150°C (TJ) | SOT-26 | - | Linear | 38V | |
American Bright Optoelectronics Corporation
|
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Price on request
Price and Stock
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LED Lighting | 150mA | PWM | - | No | Surface Mount | 1 | -40°C ~ 85°C (TA) | 6-DFN (2x2) | Constant Current | Linear | 1.6V | |
Texas Instruments
|
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Price on request
Price and Stock
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Backlight | 1.2A | PWM | 1.2MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C | SC-70-5 | Step-Up (Boost) | DC DC Regulator | 2.7V | |
|
Texas Instruments
|
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Price and Stock
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Lighting | - | - | 60kHz ~ 150kHz | No | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 8-SOIC | Flyback | AC DC Offline Switcher | 13V | |
Microchip Technology
|
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Price on request
Price and Stock
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Backlight | 750mA (Switch) | Analog, PWM | 1.2MHz | Yes | Surface Mount | 1 | -40°C ~ 105°C (TJ) | 8-MLF® (2x2) | Step-Up (Boost) | DC DC Regulator | 2.5V | |
Texas Instruments
|
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Price and Stock
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Camera Flash | 1.5A (Flash) | I²C | 4MHz | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | 9-DSBGA (1.6x1.6) | Step-Up (Boost) | DC DC Regulator | 2.5V | |
Richtek
|
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Price on request
Price and Stock
on Request |
Backlight, Lighting | - | Analog, PWM | 100kHz ~ 1MHz | No | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 16-WQFN (3x3) | Step-Down (Buck), Step-Up (Boost) | DC DC Controller | 4.5V | |
Richtek
|
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Price on request
Price and Stock
on Request |
Lighting | - | Analog | - | No | Surface Mount | 1 | -40°C ~ 125°C (TJ) | 8-SOP | Flyback, Step-Down (Buck), Step-Up (Boost) | AC DC Offline Switcher | 11V | |
|
Allegro Microsystems
|
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Price on request
Price and Stock
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Automotive | 200mA | PWM | - | Yes | Surface Mount | 4 | -40°C ~ 125°C (TA) | 8-SOIC-EP | - | Linear | 6V | |
Richtek
|
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Price on request
Price and Stock
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Lighting | 1.4A | - | - | Yes | Surface Mount | 1 | -40°C ~ 85°C (TA) | 8-SOP | Step-Down (Buck) | AC DC Offline Switcher | 10V | |
On Semiconductor
|
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Backlight | 30mA | I²C, PWM | 1.2MHz | Yes | Surface Mount | 6 | -40°C ~ 85°C (TA) | 16-WLCSP (1.71x1.71) | Switched Capacitor (Charge Pump) | DC DC Regulator | 2.7V | |
Richtek
|
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Price on request
Price and Stock
on Request |
Automotive, Lighting, Signage | - | Analog, PWM | - | No | Surface Mount | 1 | -40°C ~ 85°C (TA) | 8-SOP-EP | Step-Down (Buck), Step-Up (Boost) | DC DC Regulator | 4.5V | |
|
On Semiconductor
|
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Price on request
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General Purpose | 25mA | I²C | 400Hz | Yes | Surface Mount | 16 | -40°C ~ 85°C (TA) | 24-TSSOP | - | Linear | 2.3V | |
ROHM Semiconductor
|
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Lighting | 400µA | - | 300kHz | No | Surface Mount | 1 | -40°C ~ 105°C (TA) | 8-SOP-J | - | AC DC Offline Switcher | 8.9V | |
|
Texas Instruments
|
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Automotive | 250mA | PWM | - | No | Surface Mount | 2 | -40°C ~ 125°C (TA) | 12-SON (3x3) | Constant Current | Linear | 4.5V | |
Monolithic Power Systems
|
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Price on request
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Backlight, Camera Flash | 2A | Analog, PWM | 1MHz | Yes | Surface Mount | 1 | -40°C ~ 125°C (TJ) | SOT-583 | Step-Down (Buck) | DC DC Regulator | 4.2V | |
Infineon Technologies
|
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Price and Stock
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- | - | - | - | - | - | - | - | - | - | - | - | |
American Bright Optoelectronics Corporation
|
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Price on request
Price and Stock
on Request |
Automotive | 50mA | - | - | No | Surface Mount | 1 | -20°C ~ 85°C (TA) | 6-DFN (2x2) | Constant Current | Linear | 1.8V | |
American Bright Optoelectronics Corporation
|
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Price on request
Price and Stock
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Automotive | 100mA | - | - | No | Surface Mount | 1 | -20°C ~ 85°C (TA) | 6-DFN (2x2) | Constant Current | Linear | 1.8V | |
American Bright Optoelectronics Corporation
|
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Price on request
Price and Stock
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Automotive | 25mA | - | - | No | Surface Mount | 1 | -20°C ~ 85°C (TA) | 6-DFN (2x2) | Constant Current | Linear | 1.8V | |
On Semiconductor
|
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Price on request
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Lighting | - | - | - | No | Surface Mount | 1 | -40°C ~ 125°C (TA) | 8-SOIC | Flyback | AC DC Offline Switcher | 8.8V |
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