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40-QFN
Integrated Circuits (ICs)

L99LD21Q6TR

Active
STMicroelectronics

LED DRIVER BOOST/BUCK 2-CH 2-LED PWM 60V 40-PIN QFN T/R

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Search across all available documentation for this part.

DocumentsDatasheetProduct Change Notice EN+3
40-QFN
Integrated Circuits (ICs)

L99LD21Q6TR

Active
STMicroelectronics

LED DRIVER BOOST/BUCK 2-CH 2-LED PWM 60V 40-PIN QFN T/R

Deep-Dive with AI

DocumentsDatasheetProduct Change Notice EN+3

Technical Specifications

Parameters and characteristics for this part

SpecificationL99LD21Q6TR
ApplicationsLighting
Current - Output / Channel1.5 A
DimmingPWM
Frequency [Max]450 kHz
Frequency [Min]100 kHz
GradeAutomotive
Internal Switch(s)True
Mounting TypeSurface Mount
Number of Outputs2
Operating Temperature [Max]150 °C
Operating Temperature [Min]-40 °C
Package / Case40-TFQFN Exposed Pad
QualificationAEC-Q100
Supplier Device Package40-QFN (6x6)
TopologyBoost, Buck
TypeDC DC Regulator
Voltage - Output50 V
Voltage - Supply (Max) [Max]24 V
Voltage - Supply (Min) [Min]5.5 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$
DigikeyCut Tape (CT) 1$ 4.55
10$ 4.09
25$ 3.87
100$ 3.35
250$ 3.18
500$ 2.85
1000$ 2.41
Digi-Reel® 1$ 4.55
10$ 4.09
25$ 3.87
100$ 3.35
250$ 3.18
500$ 2.85
1000$ 2.41
N/A 2457$ 4.36
Tape & Reel (TR) 3000$ 2.29
NewarkEach (Supplied on Cut Tape) 1$ 4.23
10$ 2.95
25$ 2.86
50$ 2.76
100$ 2.67
250$ 2.53
500$ 2.45
1000$ 2.39

Description

General part information

L99LD21 Series

The L99LD21-ADIS discovery board enables you to drive four independent high brightness LED strings for automotive front lighting applications by connecting it to the SPC560B-DIS discovery board, application firmware examples and GUI are available.