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Specifications
SKU: 11681224
| Parameter | Symbol | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|---|
| Supply Voltage | Vcc | 4.75 | 5 | 5.25 | V | Operating voltage range |
| Output Voltage | Vo | 4.75 | 5 | 5.25 | V | Regulated output voltage |
| Line Regulation | 40 | mV | Maximum change in output voltage for a 10% change in input voltage | |||
| Load Regulation | 80 | mV | Maximum change in output voltage for a 10% change in load current | |||
| Dropout Voltage | Vdo | 1.8 | 2.5 | V | Minimum difference between input and output voltage to maintain regulation | |
| Quiescent Current | Iq | 5 | 10 | mA | Current consumed by the regulator when no load is applied | |
| Output Current | Io | 500 | 1000 | mA | Maximum continuous output current | |
| Thermal Shutdown | TSD | 160 | 180 | °C | Temperature at which the device will shut down to prevent damage | |
| Short-Circuit Protection | SCP | Device is protected against short-circuits | ||||
| Operating Temperature | Topr | -40 | 85 | °C | Range of ambient temperatures over which the device can operate |
Instructions for Use:
Power Supply Connection:
- Connect the input voltage (Vin) to the "IN" pin.
- Connect the output voltage (Vout) to the "OUT" pin.
- Ground both the "GND" pin and the ground of your circuit.
Capacitors:
- Place a 0.33 μF ceramic capacitor between the "IN" pin and ground to filter input noise.
- Place a 0.1 μF ceramic capacitor between the "OUT" pin and ground to stabilize the output.
Heat Dissipation:
- For high output currents, ensure proper heat dissipation by using a heatsink or mounting the regulator on a large copper area.
- Calculate the power dissipation (Pd = (Vin - Vout) * Io) and ensure it does not exceed the maximum power rating of the device.
Thermal Considerations:
- Monitor the operating temperature to ensure it stays within the specified range (-40°C to 85°C).
- If the device reaches the thermal shutdown temperature (160°C to 180°C), it will automatically turn off to prevent damage.
Short-Circuit Protection:
- The device includes built-in short-circuit protection. In case of a short circuit, the output will be disabled until the fault is removed.
Storage and Handling:
- Store the device in a dry, cool place.
- Handle with care to avoid static discharge, which can damage the device.
By following these instructions, you can ensure reliable and efficient operation of the W78E516B-40 voltage regulator.
(For reference only)Inquiry - W78E516B-40
