Details

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BUY MK68901Q-05 https://www.utsource.net/itm/p/12602945.html

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Operating Voltage	Vcc	4.5	-	5.5	V
Standby Current	Icc	-	10	-	μA	At Vcc = 5V, Ta = 25°C
Output Voltage	Vo	-	5.0	-	V	Fixed output voltage
Load Regulation	ΔVo/ΔI	-	0.5	-	%	From 0 to 100mA
Line Regulation	ΔVo/ΔV	-	0.1	-	%/V	From 4.5V to 5.5V
Dropout Voltage	Vdo	-	0.3	-	V	At Io = 100mA, Ta = 25°C
Thermal Shutdown	Tsd	-	150	-	°C
Short-Circuit Protection	Isc	-	1.5	-	A	Continuous at Ta = 25°C
Storage Temperature	Tstg	-40	-	85	°C
Operating Temperature	Topr	-40	-	85	°C

Instructions:

1. Power Supply:

   • Ensure the input voltage (Vcc) is within the range of 4.5V to 5.5V.
   • Use a decoupling capacitor (0.1μF) close to the Vcc pin to stabilize the power supply.

2. Output Configuration:

   • The output voltage (Vo) is fixed at 5.0V. No external resistors are required for voltage setting.
   • Connect the load directly to the output pin (Vo).

3. Thermal Management:

   • The device has built-in thermal shutdown protection, which activates at approximately 150°C.
   • Ensure adequate heat dissipation if operating under high load conditions or in high ambient temperatures.

4. Protection Features:

   • The device includes short-circuit protection, limiting the output current to approximately 1.5A.
   • If a short circuit occurs, the device will automatically limit the current to prevent damage.

5. Environmental Conditions:

   • The device can operate over a temperature range from -40°C to 85°C.
   • Store the device in an environment with a temperature range from -40°C to 85°C.

6. Handling and Installation:

   • Handle the device with care to avoid static discharge, which can damage the internal components.
   • Follow standard surface mount technology (SMT) procedures for installation.

7. Testing:

   • Before final assembly, test the device to ensure it meets the specified electrical parameters.
   • Verify the output voltage and current regulation under various load conditions.

(For reference only)