STMicroelectronics · Other integrated circuits
L99LD21Q6TR
IC LED DRVR RGLTR PWM 1.5A 40QFN
STM32-first sourcing with STMicroelectronics support components. Review recorded cores, flash, RAM, connectivity and package facts before moving an approved design into production.
Request this exact part →
L99LD21Q6TR specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | L99LD21Q6TR |
| Family | Other integrated circuits |
| Package | 40-TFQFN Exposed Pad |
| Product Status | Active |
| 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 | Automotive, Lighting |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 40-TFQFN Exposed Pad |
| Supplier Device Package | 40-QFN (6x6) |
Documents and evidence
L99LD21Q6TR ↗Catalog sources
www.ic-components.com · L99LD21Q6TR ↗Source directory identity match; source detail pending. Specifications remain from existing catalog.
Before sourcing L99LD21Q6TR
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
Questions about L99LD21Q6TR
How do I request a current price?
Provide this full code, quantity, destination and arrival date. Budget estimates are conditional; final availability and price are confirmed by quotation.
Can a related record replace this device?
Related records aid discovery. Package, pinout, ratings, tooling and software require engineering approval before substitution.
Continue your Other integrated circuits review
74AC00MTR14-SOIC (0.154", 3.90mm Width)
74AC00TTR14-TSSOP (0.173", 4.40mm Width)
74AC02B14-DIP (0.300", 7.62mm)
74AC02MTR14-SOIC (0.154", 3.90mm Width)
74AC02TTR14-TSSOP (0.173", 4.40mm Width)
74AC04MTR14-SOIC (0.154", 3.90mm Width)