Details
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| Parameter | Description | Value | Unit |
|---|---|---|---|
| Package Type | Package Style | TSSOP-8 | - |
| Supply Voltage (Vcc) | Operating Voltage Range | 2.7 to 5.5 | V |
| Operating Temperature | Junction Temperature Range | -40 to +85 | °C |
| Storage Temperature | Storage Temperature Range | -65 to +150 | °C |
| Input Voltage (VIN) | Maximum Input Voltage | 5.5 | V |
| Output Current (IOUT) | Continuous Output Current | 3 | A |
| Quiescent Current (IQ) | Quiescent Current at No Load | 50 | μA |
| Shutdown Current (ISD) | Shutdown Mode Supply Current | 1 | μA |
| Switching Frequency (FSW) | Internal Oscillator Frequency | 1.0 | MHz |
| Efficiency (η) | Typical Efficiency at Full Load | 90 | % |
| ESR Range | Equivalent Series Resistance of Output Capacitor | 10 to 100 | mΩ |
Instructions for Use:
Power Supply Connection: Ensure the supply voltage is within the specified operating range (2.7V to 5.5V). Connect the power supply to Vcc and GND pins.
Input Capacitor: Place a ceramic capacitor close to the VIN pin to stabilize input voltage. Recommended capacitance is typically 0.1μF to 10μF.
Output Capacitor: Choose an output capacitor with an ESR value within the recommended range (10mΩ to 100mΩ) for optimal performance. A typical value is 10μF.
Load Connection: Connect the load between the VOUT and GND pins. Ensure the load current does not exceed the maximum continuous output current (3A).
Thermal Considerations: Monitor the junction temperature to ensure it remains within the operational limits (-40°C to +85°C). Use appropriate heat dissipation techniques if necessary.
Shutdown Operation: To enter shutdown mode, pull the SHDN pin low. In this mode, the device will draw minimal current (1μA).
Layout Recommendations: Follow good PCB layout practices to minimize noise and parasitic effects. Keep signal traces short and direct, especially for high-frequency nodes like switching signals.
Storage Conditions: Store the device in conditions that do not exceed the storage temperature range (-65°C to +150°C).
Note: Always refer to the manufacturer's datasheet for detailed specifications and application notes specific to your design requirements.
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