| Product Status | Active | |
| Internal Switch(s) | Yes | |
| Supplier Device Package | 40-QFN (6x6) | |
| Package / Case | 40-TFQFN Exposed Pad | |
| Voltage - Supply (Max) | 24V | |
| REACH Status | REACH Unaffected | |
| Voltage - Output | 50V | |
| Mfr | STMicroelectronics | |
| RoHS Status | ROHS3 Compliant | |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) | |
| Operating Temperature | -40°C ~ 150°C (TJ) | |
| Applications | Lighting | |
| Voltage - Supply (Min) | 5.5V | |
| ECCN | EAR99 | |
| Grade | Automotive | |
| Topology | Buck, Boost | |
| Mounting Type | Surface Mount | |
| Number of Outputs | 2 | |
| Series | - | |
| Type | DC DC Regulator | |
| Qualification | AEC-Q100 | |
| Frequency | 100kHz ~ 450kHz | |
| Dimming | PWM | |
| HTSUS | 8542.39.0001 | |
| Package | Tape & Reel (TR) | |
| Current - Output / Channel | 1.5A | |
| Base Product Number | L99LD21 |
