| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 6 Pin |
| Case/Package | TSOT-23-6 |
| Number of Outputs | 1 Output |
| Output Voltage | 0.765V ~ 34V |
| Output Current | 300 mA |
| Quiescent Current | 1.30 mA |
| Number of Regulated Outputs | 1 Output |
| Switching Frequency | 1.25 MHz |
| Topology | Buck |
| Input Voltage (Max) | 42 V |
| Input Voltage (Min) | 4.5 V |
| Output Voltage (Max) | 34 V |
| Output Voltage (Min) | 0.765 V |
| Output Current (Max) | 0.3 A |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | 40 ℃ |
| Input Voltage | 4.5V ~ 42V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Operating Temperature | -40℃ ~ 125℃ (TJ) |
The LMR14203 is a PWM DC/DC buck (step-down) regulator. With a wide input range from 4.5V-42V, it is suitable for a wide range of applications such as power conditioning from unregulated sources. They feature a low RDSON (0.9Ω typical) internal switch for maximum efficiency (85% typical). Operating frequency is fixed at 1.25 MHz allowing the use of small external components while still being able to have low output voltage ripple. Soft-start can be implemented using the shutdown pin with an external RC circuit allowing the user to tailor the soft-start time to a specific application.
●The LMR14203 is optimized for up to 300 mA load current.
●Additional features include: thermal shutdown, VIN under-voltage lockout, and gate drive under-voltage lockout. The LMR14203 is available in a low profile SOT-6L package.
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