LED Drivers

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Type	Topology	Internal Switch(s)	Number of Outputs	Voltage - Supply (Min)	Voltage - Supply (Max)	Voltage - Output	Current - Output / Channel	Frequency	Dimming	Applications	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
IS31FL3199-QFLS2-TR IC LED DRVR LIN PWM 40MA 20QFN Lumissil Microsystems	28,137 In Stock	1 : £1.41000 Cut Tape (CT) 2,500 : £0.36112 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Linear	-	Yes	9	2.7V	5.5V	-	40mA	-	PWM	-	-40°C ~ 85°C (TA)	Surface Mount	20-WFQFN Exposed Pad	20-QFN (3x3)
LP55231SQX/NOPB IC LED DRVR RGLTR PWM 24WQFN Texas Instruments	34,953 In Stock	1 : £1.57000 Cut Tape (CT) 4,500 : £0.78297 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	DC DC Regulator	Switched Capacitor (Charge Pump)	Yes	9	2.7V	5.5V	-	25.5mA	1.25MHz	PWM	Backlight	-30°C ~ 85°C (TA)	Surface Mount	24-WFQFN Exposed Pad	24-WQFN (4x4)
KTD2026BEWE-TR 3-CHANNEL RGB LED DRIVER WITH I2 Kinetic Technologies	7,969 In Stock	1 : £0.88000 Cut Tape (CT) 3,000 : £0.22591 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Linear	Constant Current	No	3	2.7V	5.5V	-	24mA	-	I2C	Mobile Communications	-40°C ~ 85°C	Surface Mount	8-UFDFN Exposed Pad	8-UTDFN (1.5x1.5)

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Devices in the LED driver PMIC (Power Management Integrated Circuit) family are used to supply a current flow of controlled value to a load, typically a Light Emitting Diode, from a power source having a nominally fixed voltage. Key differentiators from the very similar products designed for voltage regulation include a characteristically lower feedback voltage (to improve system efficiency) and high prevalence of provisions for external control of the device's operating point, used to implement dimming functions in lighting applications.