L99LD02Q505TR
DUAL-PHASE BOOST DC/DC CONTROLLEManufacturer: STMicroelectronics
Categories: DC DC Switching Controllers
Quality Control: Learn More
The STMicroelectronics L99LD02Q505TR is a dual-phase boost DC/DC controller designed for step-up voltage conversion. This component features a positive output configuration with two output phases, enabling efficient power delivery. Operating within a supply voltage range of 3V to 28V, the L99LD02Q505TR supports switching frequencies from 100kHz to 470kHz, with a maximum duty cycle of 95%. Control features include current limiting and an enable function, managed via an SPI serial interface for flexible system integration. The device is built with a topology that utilizes a transistor driver for its output stage. Designed for demanding automotive applications, it meets AEC-Q100 qualification standards. The L99LD02Q505TR is supplied in a 32-QFN (5x5) package, suitable for surface mounting with wettable flanks and operating across a wide temperature range of -40°C to 150°C. This component is often employed in automotive power management systems.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| 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 |
| 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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