L99LD02Q505
DUAL-PHASE BOOST DC/DC CONTROLLEManufacturer: STMicroelectronics
Categories: DC DC Switching Controllers
Quality Control: Learn More
The STMicroelectronics L99LD02Q505 is a dual-phase, step-up DC/DC controller designed for automotive applications. This AEC-Q100 qualified device features a positive output configuration and operates within a 3V to 28V supply voltage range. It supports a maximum duty cycle of 95% and offers a switching frequency adjustable from 100kHz to 470kHz. Control features include current limit, enable, frequency control, phase control, power good indication, ramp, soft start, and a watchdog timer, all accessible via an SPI serial interface. The controller manages two output phases for improved efficiency and power delivery. Its advanced control capabilities make it suitable for demanding automotive power management systems. The L99LD02Q505 is provided in a 32-QFN (5x5) exposed pad package for surface mounting, featuring wettable flanks.
Additional Information
Series: -RoHS Status: unknownManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TrayDatasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tray |
| Package / Case | 32-VFQFN Exposed Pad |
| Output Type | Transistor Driver |
| Mounting Type | Surface Mount, Wettable Flank |
| Function | Step-Up |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Output Configuration | Positive |
| Frequency - Switching | 100kHz ~ 470kHz |
| Topology | Boost |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 28V |
| Supplier Device Package | 32-QFN (5x5) |
| Synchronous Rectifier | No |
| Control Features | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start, Watchdog |
| Serial Interfaces | SPI |
| Output Phases | 2 |
| Duty Cycle (Max) | 95% |
| Clock Sync | Yes |
| Grade | Automotive |
| Number of Outputs | 1 |
| Qualification | AEC-Q100 |
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