STMicroelectronics L99LD20Q6TR LED Drivers
LED Driver IC 2 Output DC DC Regulator Buck PWM Dimming 1.5A 40-QFN (6x6)

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
L99LD20Q6TR
Detailed Description
HIGH POWER LED DRIVER FOR AUTOMO
Package
40-TFQFN Exposed Pad
Key Features
Package / Case: 40-TFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
L99LD20Q6TR Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics L99LD20Q6TR LED Drivers technical specifications.
General
Package / Case
40-TFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 150°C (TJ)
Supply Voltage
5.5V ~ 24V
Lifecycle Status
Active
Type
DC DC Regulator
Internal Switch S
Yes
Output Voltage
50V
Current Output Channel
1.5A
Number of Outputs
2
Alternate Parts Comparison (L99LD20Q6TR vs L99LD21Q6 vs STCS2ASPR vs STCS1APHR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 40-TFQFN Exposed Pad | 40-TFQFN Exposed Pad | PowerSO-10 Exposed Bottom Pad | PowerSO-8 |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) | -40°C ~ 125°C (TJ) | -40°C ~ 150°C (TJ) |
| Current Output Channel | 1.5A | 1.5A | 2A | 1.5A |
| Dimming | PWM | PWM, SPI | PWM | PWM |
| Internal Switch S | Yes | Yes | Yes | Yes |
| Type | DC DC Regulator | DC DC Regulator | Linear | Linear |
| Voltage Supply Max | -- | -- | -- | -- |
| Voltage Supply Min | -- | -- | -- | -- |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Number of Outputs | 2 | 2 | 1 | 1 |
| Action |
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