The LMR14206 is a PWM DC/DC buck (step-down) regulator. With a wide input range from 4.5V-42V, they are 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 LMR14206 is optimized for up to 600 mA load current with a 0.765V nominal feedback voltage.
Additional features include: thermal shutdown, VIN under-voltage lockout, and gate drive under-voltage lockout. The LMR14206 is available in a low profile 6-pin SOT package.
| Vin (min) (V) | 4.5 |
| Vin (max) (V) | 42 |
| Vout (min) (V) | 0.765 |
| Vout (max) (V) | 34 |
| Iout (max) (A) | 0.6 |
| Iq (typ) (mA) | 1.3 |
| Switching frequency (min) (kHz) | 950 |
| Switching frequency (max) (kHz) | 1500 |
| Features | Enable, Over Current Protection |
| Operating temperature range (°C) | -40 to 125 |
| Rating | Catalog |
| Regulated outputs (#) | 1 |
| Control mode | current mode |
| Duty cycle (max) (%) | 87 |
| Type | Converter |
| SOT-23-THN (DDC) | 6 | 8.12 mm² 2.9 x 2.8 |
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