| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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4,500 pcs
|
4500 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| AEC Qualified | |
| Automotive Grade | |
| Current | |
| Efficiency | |
| Features | |
| Frequency | |
| Function | |
| Mounting Type | |
| Number of Outputs | |
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| Output Current | |
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| Supplier Device Package | |
| Synchronous Rectifier | |
| Topology | |
| Voltage |
The LMR36503RS5QRPERQ1 from Texas Instruments is a compact, 0.3-A synchronous step-down DC/DC converter designed for automotive applications. It features a wide input voltage range of 3 V to 65 V, making it suitable for systems that experience significant voltage fluctuations, such as during cold crank start.
This converter utilizes peak current mode control with internal compensation for stable operation and minimal external components. It offers high efficiency, exceeding 70% at 5 mA load, and a low quiescent current of 4 µA (switching) in fixed output options. The device is AEC-Q100 qualified for automotive applications and operates within a junction temperature range of -40°C to +150°C.
The LMR36503RS5QRPERQ1 is housed in a 2-mm x 2-mm HotRod™ package with wettable flanks, facilitating automated optical inspection. It supports adjustable switching frequencies from 200 kHz to 2.2 MHz and includes features like Power Good (PGOOD) flag, frequency synchronization, and spread spectrum for EMI compatibility with CISPR 25 standards.
Key applications include advanced driver assistance systems (ADAS), body electronics, lighting, infotainment, and cluster systems. Its small solution size, low component count, and robust feature set simplify implementation in demanding automotive environments.
| Qty | Low | High |
|---|---|---|
| 1+ | $2.06 | $2.06 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The input voltage range is 3 V to 65 V.
The maximum output current is 300 mA.
The operating temperature range is -40°C to 125°C (TA).
The device is supplied in a 9-VQFN-HR package with wettable flanks, measuring 2mm x 2mm.
Yes, the LMR36503RS5QRPERQ1 is AEC-Q100 qualified for automotive applications.
The typical quiescent current (switching) is 4 µA.