Details

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BUY UM8663BF https://www.utsource.net/itm/p/12599533.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	Vcc	2.0	3.3	5.5	V	Operating voltage range
Quiescent Current	IQ	-	1.0	2.0	μA	Current consumption in standby mode
Output Current (Max)	Iout	-	150	200	mA	Maximum output current
Output Voltage	Vout	-	3.3	-	V	Regulated output voltage
Dropout Voltage	Vdo	-	0.3	0.5	V	Voltage difference between input and output
Load Regulation	ΔVout/ΔIout	-	0.5	1.0	mV/mA	Change in output voltage with load
Line Regulation	ΔVout/ΔVin	-	0.1	0.2	mV/V	Change in output voltage with input voltage
Ripple Rejection	RR	-	70	80	dB	Attenuation of input ripple at the output
Thermal Shutdown	TSD	-	150	170	°C	Temperature at which the device shuts down
Operating Temperature	Topr	-40	-	85	°C	Range of ambient operating temperatures
Storage Temperature	Tstg	-65	-	150	°C	Range of storage temperatures

Instructions for Use:

1. Supply Voltage (Vcc):

   • Ensure the supply voltage is within the specified range (2.0V to 5.5V) to avoid damage or improper operation.

2. Quiescent Current (IQ):

   • The device consumes a typical quiescent current of 1.0 μA, which helps in reducing power consumption in low-power applications.

3. Output Current (Iout):

   • The maximum output current is 200 mA. Ensure that the load does not exceed this limit to prevent overheating or damage.

4. Output Voltage (Vout):

   • The regulated output voltage is typically 3.3V. This value should be stable under varying load conditions.

5. Dropout Voltage (Vdo):

   • The dropout voltage is the minimum difference between the input and output voltages required to maintain regulation. It is typically 0.3V to 0.5V.

6. Load Regulation:

   • The change in output voltage due to changes in load current should be minimal, typically 0.5 mV/mA to 1.0 mV/mA.

7. Line Regulation:

   • The change in output voltage due to changes in input voltage should be minimal, typically 0.1 mV/V to 0.2 mV/V.

8. Ripple Rejection:

   • The device can attenuate input ripple by 70 dB to 80 dB, ensuring a clean output voltage.

9. Thermal Shutdown:

   • The device will automatically shut down if the temperature exceeds 150°C to 170°C to prevent damage.

10. Operating Temperature (Topr):

    • The device is designed to operate within an ambient temperature range of -40°C to 85°C.

11. Storage Temperature (Tstg):

    • Store the device in an environment with a temperature range of -65°C to 150°C to ensure long-term reliability.

12. Mounting and Handling:

    • Handle the device with care to avoid static discharge and physical damage. Follow standard ESD (Electrostatic Discharge) precautions.

13. Circuit Design:

    • Use appropriate bypass capacitors (typically 10 μF and 0.1 μF) on the input and output to stabilize the regulator and filter out noise.

14. PCB Layout:

    • Place the device close to the load and use wide traces for power lines to minimize voltage drops and improve performance.

15. Testing:

    • Test the device under various load and input conditions to ensure it meets the required specifications and operates reliably.

(For reference only)