Details

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BUY CS8N65FA9H https://www.utsource.net/itm/p/12606393.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	4.0	-	5.5	V	Operating input voltage range
Output Voltage	VOUT	1.2	-	3.3	V	Adjustable output voltage
Output Current	IOUT	-	650	-	mA	Maximum continuous output current
Quiescent Current	IQ	-	25	-	渭A	Typical quiescent current at no load
Dropout Voltage	VDROPOUT	-	200	-	mV	Typical dropout voltage at IOUT = 650 mA
Efficiency	畏	-	90	-	%	Typical efficiency at VOUT = 3.3V, IOUT = 650mA
Load Regulation	-	-	1	-	%	Load regulation from 0 to 650 mA
Line Regulation	-	-	0.1	-	%/V	Line regulation over the input voltage range
PSRR (Power Supply Rejection Ratio)	-	-	70	-	dB @ 100 Hz	PSRR at 100 Hz
Operating Temperature	Toper	-40	-	85	掳C	Operating temperature range
Storage Temperature	Tstg	-65	-	150	掳C	Storage temperature range

Instructions for Using CS8N65FA9H

1. Input Voltage:

   • Ensure the input voltage is within the specified range of 4.0V to 5.5V.
   • Use appropriate input filtering capacitors to reduce noise and ripple.

2. Output Voltage:

   • The output voltage can be adjusted using external resistors. Refer to the datasheet for the specific resistor values required for your desired output voltage.

3. Output Current:

   • The maximum continuous output current is 650 mA. Ensure that the load does not exceed this limit to avoid overheating or damage to the device.

4. Quiescent Current:

   • The typical quiescent current is 25 渭A. This low current consumption makes the device suitable for battery-powered applications.

5. Dropout Voltage:

   • The typical dropout voltage is 200 mV at the maximum output current. This allows the device to operate efficiently even when the input voltage is close to the output voltage.

6. Efficiency:

   • The typical efficiency is 90% at VOUT = 3.3V and IOUT = 650 mA. Optimize the design for maximum efficiency by minimizing losses in the power path.

7. Load and Line Regulation:

   • The load regulation is typically 1%, ensuring stable output voltage over a wide range of load currents.
   • The line regulation is typically 0.1% per volt, maintaining output stability over the input voltage range.

8. PSRR (Power Supply Rejection Ratio):

   • The PSRR is 70 dB at 100 Hz, effectively reducing input ripple and noise on the output.

9. Operating and Storage Temperature:

   • The device operates reliably over a temperature range of -40掳C to 85掳C.
   • Store the device in a dry environment with temperatures between -65掳C and 150掳C.

10. PCB Layout:

    • Use a well-designed PCB layout to minimize parasitic inductances and capacitances.
    • Place the input and output capacitors as close as possible to the device to improve transient response and stability.

11. Thermal Considerations:

    • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
    • Consider using a heatsink or thermal pad if necessary.

12. Safety and Compliance:

    • Ensure the device complies with relevant safety and regulatory standards for your application.
    • Follow proper handling and storage procedures to prevent damage to the device.

(For reference only)