Specifications
SKU: 1906430
Isolated 1W Dual Output DC/DC Converters
Parameter | Symbol | Min | Typical | Max | Unit |
---|---|---|---|---|---|
Input Voltage | VIN | 2.7 | - | 5.5 | V |
Output Voltage | VOUT | 3.3 | - | 3.3 | V |
Output Current | IOUT | - | 1.5 | 2.0 | A |
Quiescent Current | IQ | - | 3.5 | - | μA |
Efficiency (at 1A) | η | - | 92 | - | % |
Dropout Voltage | VDROPOUT | - | 0.3 | - | V |
Operating Temperature | TOPR | -40 | - | 85 | °C |
Storage Temperature | TSTG | -40 | - | 125 | °C |
Load Regulation | - | - | 0.5 | - | % |
Line Regulation | - | - | 0.2 | - | % |
Ripple Rejection | - | - | 60 | - | dB |
Instructions for Using NMA0515SC
Input Voltage:
- Ensure the input voltage is within the range of 2.7V to 5.5V.
- Do not exceed the maximum input voltage to avoid damage to the device.
Output Voltage:
- The output voltage is fixed at 3.3V. No external components are required to set this voltage.
Output Current:
- The device can provide a continuous output current of up to 2.0A, with a typical current of 1.5A.
- Ensure the load does not exceed the maximum output current to prevent overheating or failure.
Quiescent Current:
- The quiescent current is typically 3.5μA, which helps in maintaining low power consumption during operation.
Efficiency:
- The efficiency of the device is typically 92% when operating at 1A. This ensures minimal power loss and heat generation.
Dropout Voltage:
- The dropout voltage is typically 0.3V, which means the input voltage should be at least 0.3V higher than the output voltage for proper regulation.
Operating Temperature:
- The device can operate within a temperature range of -40°C to 85°C. Ensure the ambient temperature is within these limits to avoid thermal shutdown or damage.
Storage Temperature:
- The device can be stored in temperatures ranging from -40°C to 125°C. However, prolonged exposure to high temperatures may affect the performance and lifespan of the device.
Load Regulation:
- The load regulation is typically 0.5%, indicating that the output voltage will remain stable even with changes in load current.
Line Regulation:
- The line regulation is typically 0.2%, ensuring that the output voltage remains stable even with variations in input voltage.
Ripple Rejection:
- The ripple rejection is typically 60dB, which means the device can effectively filter out input voltage ripples, providing a clean output voltage.
PCB Layout:
- Ensure proper PCB layout to minimize noise and improve thermal performance. Use a ground plane and place decoupling capacitors close to the input and output pins.
Capacitors:
- Use recommended input and output capacitors to stabilize the voltage and reduce ripple. Typically, a 10μF ceramic capacitor on the input and a 10μF ceramic capacitor on the output are sufficient.
Heat Dissipation:
- If operating at high currents or in high ambient temperatures, consider adding a heatsink or using a larger PCB area for better heat dissipation.
Polarity:
- Ensure correct polarity when connecting the input and output. Reversing the polarity can damage the device.
Transient Response:
- The device is designed to handle transient loads, but ensure that the load changes are within the specified limits to avoid instability.
Inquiry - NMA0515SC