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| Part Number | L99LD21Q6TR | L99LD20Q6TR |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Status | Active | Active |
| Type | DC DC Regulator | DC DC Regulator |
| Topology | Buck, Boost | Buck |
| Internal Switch(s) | Yes | Yes |
| Number of Outputs | 2 | 2 |
| Voltage - Supply (Min) | 5.5V | 5.5V |
| Voltage - Supply (Max) | 24V | 24V |
| Voltage - Output | 50V | 50V |
| Current - Output / Channel | 1.5A | 1.5A |
| Frequency | 100kHz ~ 450kHz | - |
| Dimming | PWM | PWM |
| Applications | Automotive, Lighting | Automotive, Lighting |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 40-TFQFN Exposed Pad | 40-TFQFN Exposed Pad |
| Supplier Device Package | 40-QFN (6x6) | 40-QFN (6x6) |
