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Specifications
SKU: 11234491
| Parameter | Symbol | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|---|
| Input Voltage | VIN | 2.5 | - | 5.5 | V | Operating input voltage range |
| Output Voltage | VOUT | 1.2 | - | 3.3 | V | Adjustable output voltage |
| Output Current | IOUT | - | 3.0 | 3.0 | A | Maximum continuous output current |
| Quiescent Current | IQ | - | 40 | 60 | μA | Typical quiescent current at no load |
| Efficiency | η | - | 95 | - | % | Typical efficiency at 3.3V, 1A |
| Dropout Voltage | VDROPOUT | - | 200 | 300 | mV | Typical dropout voltage at 3.3V, 1A |
| Load Regulation | - | - | 1 | 2 | % | Load regulation from 0 to 3A |
| Line Regulation | - | - | 0.1 | 0.2 | %/V | Line regulation over the input voltage range |
| Thermal Shutdown | TSD | - | 160 | - | °C | Thermal shutdown temperature |
| Short-Circuit Protection | SCP | - | - | - | - | Automatic recovery, current limit |
| Package Type | - | - | - | - | - | QFN-10 (3x3mm) |
Instructions for Using SY8208BQNC
Input Voltage Range:
- Ensure the input voltage is within the specified range of 2.5V to 5.5V. Exceeding this range can damage the device.
Output Voltage Setting:
- The output voltage can be adjusted using external resistors. Use the formula ( V_ = 1.2 times (1 + frac) ) to set the desired output voltage, where ( R_1 ) and ( R_2 ) are the resistor values.
Output Current:
- The maximum continuous output current is 3A. Do not exceed this limit to avoid overheating and potential damage.
Quiescent Current:
- The quiescent current is typically 40μA at no load, which helps in reducing power consumption in low-power applications.
Efficiency:
- The typical efficiency is 95% at 3.3V and 1A. Ensure good thermal management to maintain high efficiency.
Dropout Voltage:
- The typical dropout voltage is 200mV at 3.3V and 1A. This allows the regulator to operate effectively even when the input voltage is close to the output voltage.
Load and Line Regulation:
- The load regulation is typically 1%, and the line regulation is 0.1%/V. These parameters ensure stable output voltage under varying load and input conditions.
Thermal Shutdown:
- The device will automatically shut down if the junction temperature exceeds 160°C. Allow the device to cool before resuming operation.
Short-Circuit Protection:
- The device includes short-circuit protection with automatic recovery. In case of a short circuit, the output current is limited, and the device will attempt to recover once the fault is cleared.
Package and Layout:
- Use the QFN-10 (3x3mm) package. Ensure proper PCB layout with adequate thermal vias and ground planes to dissipate heat effectively.
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.
By following these guidelines, you can ensure optimal performance and reliability of the SY8208BQNC in your application.
(For reference only)Inquiry - SY8208BQNC
