Details
BUY SK8033S https://www.utsource.net/itm/p/12609658.html
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Input Voltage | VIN | Continuous operation | 4.5 | - | 42 | V |
| Output Voltage | VOUT | Adjustable | 1.2 | - | 36 | V |
| Output Current | IOUT | Continuous | - | - | 3 | A |
| Efficiency | 畏 | At 5V, 1A | - | 92 | - | % |
| Switching Frequency | fSW | Fixed | - | 150 | - | kHz |
| Quiescent Current | IQ | No load | - | 2 | - | mA |
| Start-up Time | tSTART | From 0V to 90% VOUT | - | 200 | - | 渭s |
| Short-Circuit Protection | SCP | Continuous | - | - | - | Active |
| Thermal Shutdown | TSD | - | - | 160 | - | 掳C |
Instructions for Use:
Input Connection:
- Connect the input voltage (VIN) to the VIN pin.
- Ensure the input voltage is within the specified range (4.5V to 42V).
Output Configuration:
- Adjust the output voltage (VOUT) using the external resistors connected to the FB (Feedback) pin.
- The output voltage can be set between 1.2V and 36V.
Output Load:
- The maximum continuous output current (IOUT) is 3A.
- Ensure the load does not exceed this limit to avoid damage.
Efficiency:
- The efficiency is typically 92% at 5V and 1A.
- For optimal performance, keep the input and output voltages and currents within the recommended ranges.
Switching Frequency:
- The switching frequency is fixed at 150kHz.
- This helps in minimizing the size of external components like inductors and capacitors.
Quiescent Current:
- The quiescent current (IQ) is typically 2mA with no load.
- This low quiescent current helps in reducing power consumption during idle periods.
Start-up Time:
- The start-up time from 0V to 90% of the output voltage is typically 200渭s.
- Ensure the system has sufficient time to stabilize after power-on.
Protection Features:
- Short-Circuit Protection (SCP): The device includes active short-circuit protection to prevent damage in case of a short circuit.
- Thermal Shutdown (TSD): The device will shut down if the temperature exceeds 160掳C to prevent thermal damage.
Layout Considerations:
- Use short, wide traces for high-current paths to minimize voltage drops and inductance.
- Place bypass capacitors close to the input and output pins to filter noise and improve stability.
Storage and Handling:
- Store the device in a dry, cool place to avoid moisture and static damage.
- Handle the device with care to avoid mechanical stress or damage to the pins.
By following these instructions, you can ensure reliable and efficient operation of the SK8033S.
(For reference only)View more about SK8033S on main site
