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
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
Product Questions and Answers

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In-Stock: 1,956
Check for Additional Incoming Stock
Last Time Buy Date: 2026/8/15
All prices are in TWD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1NT$158.00000NT$158
10NT$119.80000NT$1,198
25NT$110.24000NT$2,756
100NT$99.74000NT$9,974
250NT$94.73200NT$23,683
500NT$91.71400NT$45,857
1,000NT$89.23200NT$89,232
* All Digi-Reel orders will add a NT$215 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000NT$86.16633NT$258,499
Manufacturers Standard Package