Details

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BUY CXK58257AM-12L https://www.utsource.net/itm/p/12608578.html

Parameter	Value
Product Name	CXK58257AM-12L
Type	Synchronous Buck Converter
Input Voltage Range	4.5V to 28V
Output Voltage Range	0.8V to 20V (Adjustable)
Switching Frequency	200kHz to 2.2MHz
Output Current	Up to 3A
Efficiency	Up to 96%
Package	SOIC-8
Operating Temperature	-40掳C to +85掳C
Features	Integrated MOSFETs, PWM/PSM Mode Operation

Instructions:

1. Input Connection: Connect the input voltage within the specified range (4.5V to 28V) to the VIN pin.
2. Output Configuration: Set the desired output voltage using external resistors connected to the FB pin according to the datasheet formula.
3. Inductor Selection: Choose an inductor based on the switching frequency and output current requirements.
4. Capacitor Selection: Select input and output capacitors that can handle the ripple current and provide stable operation.
5. Thermal Considerations: Ensure adequate heat dissipation if operating at high currents or temperatures.
6. Layout Guidelines: Follow recommended PCB layout guidelines for optimal performance and noise reduction.
7. Power-Up Sequence: Apply power gradually to avoid inrush currents and ensure stable startup.

(For reference only)