Manufacturer package reference image
Order the LMR14203XMKE/NOPB - 4.5V to 42V, 0.3A Step-Down DC/DC Switching Regulator in SOT-23 | DDC | 6 | -40 to 125 from Texas Instruments.
Key Specifications
| Complete manufacturer part number | LMR14203XMKE/NOPB |
|---|---|
| Manufacturer | Texas Instruments |
| Description | Order the LMR14203XMKE/NOPB - 4.5V to 42V, 0.3A Step-Down DC/DC Switching Regulator in SOT-23 | DDC | 6 | -40 to 125 from Texas Instruments. |
| Package / case | SOT-23-THN (DDC) |
| Product category | DC/DC converters |
| Pins | 6 |
| TI package code | DDC |
| Temperature range (manufacturer ordering record) | -40 °C to 125 °C |
| Rating | Catalog |
| Topology | Buck |
| Iout (max) (A) | 0.3 |
| Vin (max) (V) | 42 |
| Vin (min) (V) | 4.5 |
| Vout (max) (V) | 34 |
| Vout (min) (V) | 0.765 |
| Features | Enable, Overcurrent protection |
| Control mode | current mode |
| Iq (typ) (A) | 0.0013 |
| Duty cycle (max) (%) | 87 |
| Operating temperature (exact ordering record) | -40 to 125 °C |
| Standard quantity / packing | 250 | SMALL T&R |
| In stock | 2,077 pcs |
| Unit price | Request a quote |
| Lead time | To be confirmed |
Technical documentation and image source
TI exact ordering page and explicitly identified base product page verified on 2026-11-04. Electrical fields refer to the named base product. Package and temperature refer to the exact ordering code. Package reference image is not a stock-lot photograph. Consult the datasheet for electrical limits and test conditions.
Manufacturer package reference image for SOT-23-THN (DDC). Confirm electrical pin functions in the datasheet. Actual lot appearance and top marking require current-lot confirmation.
Some exact-order specifications remain to be confirmed in the manufacturer documentation.
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