Details

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BUY ADM238LJR https://www.utsource.net/itm/p/11250453.html

Parameter	Symbol	Min	Typical	Max	Unit	Description
Supply Voltage	VDD	3.0		5.5	V	Operating supply voltage range
Output Current	IO		100		mA	Continuous output current
Output Voltage	VO		VDD-1.2		V	Output voltage under load
Dropout Voltage	VDROPOUT		1.2		V	Voltage difference between input and output
Quiescent Current	IQ		50		μA	Current consumed by the regulator
Load Regulation	ΔVO/ΔIL		50		μV/mA	Change in output voltage with load current change
Line Regulation	ΔVO/ΔVI		50		μV/V	Change in output voltage with input voltage change
Thermal Shutdown Temperature	TSD		160		°C	Temperature at which the device shuts down
Operating Junction Temperature	TJ	-40		125	°C	Range of operating temperatures
Storage Temperature	TSTG	-65		150	°C	Temperature range for storage

Instructions for Use:

1. Supply Voltage (VDD):

   • Ensure the supply voltage is within the specified range of 3.0V to 5.5V.
   • Do not exceed the maximum supply voltage to avoid damage to the device.

2. Output Current (IO):

   • The device can provide up to 100mA of continuous output current.
   • For higher current requirements, consider using a different regulator or additional cooling measures.

3. Output Voltage (VO):

   • The output voltage will be approximately VDD - 1.2V under load.
   • Ensure that this voltage level meets the requirements of your application.

4. Dropout Voltage (VDROPOUT):

   • The dropout voltage is 1.2V. This means the input voltage must be at least 1.2V higher than the desired output voltage to maintain regulation.

5. Quiescent Current (IQ):

   • The quiescent current is typically 50μA. This is the current consumed by the regulator itself, independent of the load.

6. Load Regulation (ΔVO/ΔIL):

   • The load regulation is 50μV/mA, indicating the change in output voltage for a given change in load current.
   • This parameter helps in understanding how stable the output voltage will be under varying load conditions.

7. Line Regulation (ΔVO/ΔVI):

   • The line regulation is 50μV/V, indicating the change in output voltage for a given change in input voltage.
   • This parameter is important for maintaining a stable output voltage when the input voltage fluctuates.

8. Thermal Shutdown Temperature (TSD):

   • The device will shut down if the junction temperature exceeds 160°C to prevent thermal damage.
   • Ensure proper heat dissipation and cooling to avoid reaching this temperature.

9. Operating Junction Temperature (TJ):

   • The device can operate within a temperature range of -40°C to 125°C.
   • Avoid operating the device outside this range to ensure reliable performance.

10. Storage Temperature (TSTG):

    • The device can be stored in temperatures ranging from -65°C to 150°C.
    • Ensure that the device is not exposed to extreme temperatures during storage to avoid damage.

Additional Notes:

• Always refer to the datasheet for the most accurate and detailed information.
• Use appropriate decoupling capacitors on the input and output to ensure stability and reduce noise.
• Consider the thermal resistance and heat dissipation requirements based on the power dissipation in your application.

(For reference only)