Details

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BUY MK50283N https://www.utsource.net/itm/p/12610442.html

Parameter	Description	Value	Unit
Part Number	Device Identifier	MK50283N	-
Type	Device Type	Low Dropout Linear Regulator (LDO)	-
Input Voltage Range	Operating Input Voltage	1.7 to 5.5	V
Output Voltage	Fixed Output Voltage	3.3	V
Output Current	Maximum Continuous Output Current	200	mA
Dropout Voltage	Maximum Dropout Voltage at 200mA	250	mV
Quiescent Current	Typical Quiescent Current	60	渭A
Shutdown Current	Typical Shutdown Current	0.1	渭A
PSRR	Power Supply Rejection Ratio at 1kHz	60	dB
Line Regulation	Line Regulation	0.01	%/V
Load Regulation	Load Regulation	0.01	%/mA
Operating Temperature Range	Ambient Operating Temperature	-40 to 85	掳C
Storage Temperature Range	Storage Temperature	-65 to 150	掳C
Package	Package Type	SOT-23-5	-

Instructions for Use:

1. Circuit Design:

   • Connect the input voltage to the VIN pin.
   • Connect the output voltage to the VOUT pin.
   • Ground the GND pin.
   • Connect a capacitor (typically 1 渭F) between VOUT and GND for stability.
   • Optionally, connect a capacitor (typically 10 nF) between VIN and GND to filter input noise.

2. Power-Up Sequence:

   • Ensure the input voltage is within the specified range before applying power.
   • Gradually increase the input voltage to avoid inrush current issues.

3. Thermal Management:

   • Ensure adequate heat dissipation, especially when operating at high output currents.
   • Consider using a heatsink or thermal pad if the device is expected to operate near its maximum output current.

4. Shutdown Operation:

   • To shut down the device, pull the SHDN pin low.
   • When the SHDN pin is high or left floating, the device is active.

5. Storage and Handling:

   • Store the device in a dry, cool place to prevent moisture damage.
   • Handle with care to avoid static discharge, which can damage the device.

6. Testing:

   • Verify the output voltage and current capabilities using a multimeter and load resistor.
   • Test the line and load regulation by varying the input voltage and load current while monitoring the output voltage.

7. Safety:

   • Do not exceed the maximum ratings specified in the datasheet.
   • Ensure proper grounding and isolation to avoid electrical hazards.

(For reference only)