Details

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BUY SY8288RAC https://www.utsource.net/itm/p/12609519.html

Below is the parameter table and instructions for the SY8288RAC:

SY8288RAC Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Input Voltage	VIN	1.7	3.3	5.5	V	-
Output Voltage	VOUT	1.2	1.8	3.3	V	Adjustable
Output Current	IOUT	-	1.0	1.5	A	Continuous
Quiescent Current	IQ	-	10	20	μA	No load, VIN = 3.3V
Shutdown Current	ISD	-	0.1	0.5	μA	Shutdown mode
Operating Temperature	TOP	-40	-	85	°C	-
Storage Temperature	TSTG	-65	-	150	°C	-
Thermal Resistance (θJA)	-	-	120	-	°C/W	-
Frequency	fSW	1.0	1.5	2.0	MHz	-
Enable Input High Level	VENH	1.2	-	-	V	-
Enable Input Low Level	VENL	-	-	0.8	V	-
Output Ripple Voltage	VRIPPLE	-	30	-	mV	VOUT = 3.3V, IOUT = 1.0A
Line Regulation	-	-	0.1	-	%	VIN = 1.7V to 5.5V
Load Regulation	-	-	0.2	-	%	IOUT = 0 to 1.5A

SY8288RAC Instructions

1. Pin Configuration:

   • VIN: Input Voltage Pin
   • VOUT: Output Voltage Pin
   • GND: Ground Pin
   • EN: Enable Pin (High to enable, Low to disable)
   • FB: Feedback Pin for output voltage adjustment

2. Output Voltage Adjustment:

   • The output voltage can be adjusted using a resistor divider connected between V_OUT, FB, and GND.
   • Use the formula: V_OUT = 1.23V * (1 + R1/R2), where R1 is the resistor from V_OUT to FB, and R2 is the resistor from FB to GND.

3. Enable Function:

   • Apply a high level (≥1.2V) to the EN pin to enable the device.
   • Apply a low level (≤0.8V) to the EN pin to disable the device and enter shutdown mode.

4. Capacitor Selection:

   • Input Capacitor (C_IN): Use a ceramic capacitor with a value of 10μF to 100μF.
   • Output Capacitor (C_OUT): Use a ceramic capacitor with a value of 10μF to 47μF for stability.

5. Thermal Management:

   • Ensure adequate heat dissipation by mounting the device on a PCB with a thermal pad or heatsink if operating at high current levels.

6. Layout Considerations:

   • Place the input and output capacitors as close as possible to the respective pins to minimize parasitic inductance.
   • Keep the traces short and wide to reduce resistance and inductance.

7. Storage and Handling:

   • Store the device in a dry, cool place.
   • Handle with care to avoid static damage. Use ESD protection when handling the device.

By following these instructions, you can ensure optimal performance and reliability of the SY8288RAC in your application.

(For reference only)