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Specifications
SKU: 12596552
| Parameter | Symbol | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|---|
| Supply Voltage | Vcc | 4.5 | 5 | 5.5 | V | Operating voltage range |
| Output Current | Iout | - | 200 | 300 | mA | Maximum output current |
| Standby Current | Isb | - | 0.1 | 1 | μA | Current consumption in standby mode |
| Operating Temperature | Topr | -40 | - | 85 | °C | Operating temperature range |
| Storage Temperature | Tstg | -65 | - | 150 | °C | Storage temperature range |
| Output Voltage Range | Vout | 1.2 | - | 5 | V | Adjustable output voltage range |
| Line Regulation | ΔVout/ΔVin | - | 0.01 | 0.05 | %/V | Change in output voltage per unit change in input voltage |
| Load Regulation | ΔVout/ΔIout | - | 0.01 | 0.05 | mV/mA | Change in output voltage per unit change in load current |
| Dropout Voltage | Vdo | - | 0.5 | 1.5 | V | Minimum input-to-output voltage difference for regulation |
| Ripple Rejection | RR | 60 | 70 | 80 | dB | Ability to reject ripple from the input voltage |
| Thermal Resistance (θJA) | θJA | - | 100 | 150 | °C/W | Junction-to-ambient thermal resistance |
| Quiescent Current | Iq | - | 2 | 5 | mA | Current consumed by the regulator when no load is present |
| Enable Input High Voltage | Vin_en | - | 2.5 | 5.5 | V | Voltage at which the enable pin turns on the regulator |
| Enable Input Low Voltage | Vin_en | - | 0.8 | 1.5 | V | Voltage at which the enable pin turns off the regulator |
Instructions for Using M51977FP
Power Supply Connection:
- Connect the positive terminal of the power supply to the
VINpin. - Connect the negative terminal of the power supply to the
GNDpin.
- Connect the positive terminal of the power supply to the
Output Configuration:
- Connect the load to the
VOUTpin. - Use an external resistor network to set the desired output voltage if the regulator is adjustable.
- Connect the load to the
Enable Pin:
- Apply a high voltage (≥2.5V) to the
ENpin to turn on the regulator. - Apply a low voltage (≤0.8V) to the
ENpin to turn off the regulator.
- Apply a high voltage (≥2.5V) to the
Capacitors:
- Place a 10μF tantalum or ceramic capacitor between
VINandGNDclose to the regulator to ensure stability. - Place a 10μF tantalum or ceramic capacitor between
VOUTandGNDclose to the regulator to filter the output and improve transient response.
- Place a 10μF tantalum or ceramic capacitor between
Thermal Management:
- Ensure adequate heat dissipation, especially when operating at high output currents or in high ambient temperatures.
- Use a heatsink if necessary to keep the junction temperature within the specified range.
Operating Environment:
- Ensure that the operating temperature is within the specified range (-40°C to 85°C).
- Store the device in a dry environment to prevent moisture damage.
Testing:
- Measure the output voltage with a multimeter to ensure it is within the desired range.
- Check the quiescent current and standby current to verify proper operation.
Handling:
- Handle the device with care to avoid static discharge, which can damage sensitive components.
- Follow proper soldering techniques to avoid overheating during installation.
Inquiry - M51977FP
