Details

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BUY UC3845G-S08-R(5pcs) https://www.utsource.net/itm/p/8369065.html

Parameter	Description
Part Number	UC3845G-S08-R (5pcs)
Function	Fixed Frequency Current Mode Controller
Operating Voltage Range	12V to 40V
Oscillator Frequency	100kHz to 500kHz
Supply Current	9mA
Package Type	SOIC-8
Operating Temperature	-40°C to +85°C
Protection Features	Overcurrent Protection, Thermal Shutdown
Applications	Switching Power Supplies, DC-DC Converters

Instructions:

1. Installation: Ensure that the UC3845G-S08-R is soldered correctly onto the PCB with proper alignment of the pins. Use appropriate soldering techniques to avoid damage.
2. Power Supply: Connect the input power supply within the specified operating voltage range (12V to 40V). Verify the polarity to prevent component damage.
3. Frequency Setting: Adjust the external resistor connected to the RT/CT pin to set the desired oscillator frequency between 100kHz and 500kHz.
4. Current Limiting: Set the current limit by adjusting the sense resistor connected to the CS pin for optimal performance and protection.
5. Thermal Management: Ensure adequate heat dissipation if operating at higher temperatures or currents to prevent thermal shutdown.
6. Testing: After installation, test the circuit under load to ensure it operates within expected parameters and protections are functioning correctly.

For detailed design considerations and specific application circuits, refer to the manufacturer’s datasheet.

(For reference only)