AI insight queued
Voltkit is preparing product insight and cross-reference information for this part.
L99LD21Q6TR
Click to open full image.
Part #:L99LD21Q6TR
Manufacturer:STMicroelectronics
Package:QFN-40-EP(6x6)
Product Type:LED Drivers
RoHS: 
Specifications (Specs)
| Manufacturer | STMicroelectronics |
| Part Number | L99LD21Q6TR |
| Product Type | LED Drivers |
| RoHS | Yes |
| Package / Case | QFN-40-EP(6x6) |
| Stock | 10 |
| MOQ | 1 |
| Order Multiple | 1 |
| Packaging | Tape & Reel (TR) |
| Factory Pack Quantity | 3000 |
| Type | DC-DCVoltage Stabilizer |
| Dimming | PWM |
| Channels | 2 |
| Topology | Step-down,boost converter |
| Input Voltage | 5.5V~24V |
| Output Current | 1.5A |
| Output Voltage | 50V |
| Switch Frequency | 100kHz~450kHz |
| Operating temperature | -40℃~+150℃ |
Documents & Compliance
Datasheet (PDF)
RoHS:
Alternative Parts & Cross Reference
Cross-reference analysis queued Voltkit will check database-backed and AI-assisted alternatives without delaying this page.
Always verify package, pinout, electrical limits, and datasheets before approving a substitute.
Professional Semiconductor Sourcing
Extensive In-Stock InventoryImmediate stock visibility for active, legacy, and hard-to-find semiconductors.
Authorized Brand AccessVoltkit is an authorized distributor for selected semiconductor brands.
Quality & Traceability SupportRequest date-code review, product photos, traceability documents, or certificate support with your RFQ.
Dedicated Sourcing TeamGet support for target pricing, delivery schedules, BOM sourcing, and alternative-part verification.
Component Summary
L99LD21Q6TR by STMicroelectronics — LED Drivers; QFN-40-EP(6x6) package.
- Manufacturer
- STMicroelectronics
- Product Type
- LED Drivers
- Package
- QFN-40-EP(6x6)