Details

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BUY CS8129 https://www.utsource.net/itm/p/12611168.html

Parameter	Description	Min	Typ	Max	Unit
Supply Voltage (VCC)	Operating voltage range	2.5	-	5.5	V
Standby Current	Current consumption in standby mode	-	0.1	-	渭A
Operating Current	Current consumption during operation	-	2.5	-	mA
Output Current (IOUT)	Maximum output current	-	300	-	mA
Output Voltage (VOUT)	Adjustable output voltage range	1.2	-	5.0	V
Dropout Voltage (VDO)	Voltage difference between input and output at max load	-	0.2	-	V
Load Regulation	Change in output voltage with load	-	0.5	-	%
Line Regulation	Change in output voltage with input voltage	-	0.1	-	%
PSRR (Power Supply Rejection Ratio)	Ability to reject input ripple	-	70	-	dB
Operating Temperature Range	Temperature range for normal operation	-40	-	85	掳C
Storage Temperature Range	Temperature range for storage	-65	-	150	掳C

Instructions for Using CS8129

1. Supply Voltage (VCC):

   • Ensure the supply voltage is within the specified range of 2.5V to 5.5V.
   • Use appropriate decoupling capacitors (typically 10渭F and 0.1渭F) close to the VCC pin to stabilize the supply.

2. Output Voltage (VOUT):

   • The output voltage can be adjusted using external resistors R1 and R2 according to the formula: ( V_ = 1.2 times (1 + frac) ).
   • Choose resistor values to achieve the desired output voltage within the range of 1.2V to 5.0V.

3. Output Current (IOUT):

   • The maximum output current is 300mA. Ensure that the load does not exceed this limit to avoid overheating or damage.
   • Use a heatsink if the device is expected to operate near its maximum current capacity.

4. Dropout Voltage (VDO):

   • The dropout voltage is typically 0.2V. Ensure that the input voltage is at least 0.2V higher than the desired output voltage to maintain regulation.

5. Load and Line Regulation:

   • The load regulation is 0.5%, meaning the output voltage will change by 0.5% for a full load change.
   • The line regulation is 0.1%, indicating that the output voltage will change by 0.1% for a full range input voltage change.

6. PSRR (Power Supply Rejection Ratio):

   • The PSRR is 70dB, which means the device effectively filters out input ripple, maintaining a stable output voltage.

7. Operating and Storage Temperature:

   • Operate the device within the temperature range of -40掳C to 85掳C for optimal performance.
   • Store the device within the temperature range of -65掳C to 150掳C.

8. Installation:

   • Place the CS8129 on a PCB with proper grounding and thermal management.
   • Ensure all connections are secure and free from shorts or open circuits.

9. Testing:

   • After installation, test the output voltage and current under various load conditions to ensure the device is functioning correctly.
   • Monitor the temperature of the device to prevent overheating, especially under high current conditions.

(For reference only)