Description
BUY SD6864 https://www.utsource.net/itm/p/12607479.html
| Parameter |
Description |
Value |
| Part Number |
Device Identifier |
SD6864 |
| Function |
Type of Device |
DC-DC Converter |
| Input Voltage Range |
Minimum to Maximum Input Voltage |
4.5V to 28V |
| Output Voltage |
Adjustable or Fixed Output Voltage |
Adjustable, 0.8V to VIN |
| Output Current |
Maximum Continuous Output Current |
3A |
| Switching Frequency |
Internal Oscillator Frequency |
1.2MHz |
| Efficiency |
Typical Operating Efficiency |
Up to 95% |
| Package Type |
Physical Encapsulation |
SOT23-6 |
| Protection Features |
Built-in Safety Mechanisms |
Overcurrent, Overtemperature |
| Operating Temperature |
Range of Ambient Temperatures Supported |
-40°C to +85°C |
| Quiescent Current |
Current Consumption in Standby Mode |
25μA |
Instructions for Use:
- Power Supply Connection: Connect the input voltage within the specified range (4.5V to 28V) to the VIN pin and GND pin.
- Output Configuration: Set the desired output voltage using an external resistor network connected to the FB (feedback) pin.
- Inductor Selection: Choose an appropriate inductor value based on the switching frequency (1.2MHz) and output current requirements.
- Capacitor Selection: Select input and output capacitors to stabilize the power supply and reduce ripple. Refer to the datasheet for recommended values.
- Thermal Considerations: Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
- Protection Circuits: The device includes overcurrent and overtemperature protection. Ensure these features are not bypassed in the circuit design.
- Layout Recommendations: Follow good PCB layout practices to minimize noise and parasitic effects, especially for the ground and power planes.
For detailed specifications and application circuits, refer to the official datasheet of the SD6864.
(For reference only)
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