LED Driver IC 2 Output DC DC Regulator Buck, Boost PWM Dimming 1.5A 40-QFN (6x6)
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L99LD21Q6TR

DigiKey Part Number
497-18127-2-ND - Tape & Reel (TR)
497-18127-1-ND - Cut Tape (CT)
497-18127-6-ND - Digi-Reel®
Manufacturer
STMicroelectronics
Manufacturer Product Number
L99LD21Q6TR
Description
IC LED DRVR RGLTR PWM 1.5A 40QFN
Customer Reference
Detailed Description
LED Driver IC 2 Output DC DC Regulator Buck, Boost PWM Dimming 1.5A 40-QFN (6x6)
Datasheet
 Datasheet
EDA/CAD Models
L99LD21Q6TR Models
Product Attributes
Type
Description
Select All
Category
Manufacturer
STMicroelectronics
Series
-
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Last Time Buy
Type
DC DC Regulator
Topology
Buck, Boost
Internal Switch(s)
Yes
Number of Outputs
2
Voltage - Supply (Min)
5.5V
Voltage - Supply (Max)
24V
Voltage - Output
50V
Current - Output / Channel
1.5A
Frequency
100kHz ~ 450kHz
Dimming
PWM
Applications
Lighting
Operating Temperature
-40°C ~ 150°C (TJ)
Grade
Automotive
Qualification
AEC-Q100
Mounting Type
Surface Mount
Package / Case
40-TFQFN Exposed Pad
Supplier Device Package
40-QFN (6x6)
Base Product Number
L99LD21
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In-Stock: 1,956
Check for Additional Incoming Stock
Last Time Buy Date: 15/08/2026
Quantity
All prices are in ILS
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1₪14.92000₪14.92
10₪11.31300₪113.13
25₪10.41200₪260.30
100₪9.42050₪942.05
250₪8.94772₪2,236.93
500₪8.66276₪4,331.38
1,000₪8.42830₪8,428.30
* All Digi-Reel orders will add a ₪26.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000₪8.13874₪24,416.22
Manufacturers Standard Package
Unit Price without VAT:₪14.92000
Unit Price with VAT:₪17.60560