Details

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Below is the parameter table and instructions for the MPS911, a high-performance, low-dropout linear regulator.

MPS911 Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit	Condition
Input Voltage	VIN	2.7	-	5.5	V
Output Voltage	VOUT	1.8	-	3.3	V	Adjustable with external resistors
Output Current	IOUT	-	150	250	mA
Dropout Voltage	VDROPOUT	-	250	450	mV	IOUT = 250 mA, VIN = 3.3 V
Quiescent Current	IQ	-	5	10	渭A	No load, VIN = 3.3 V
Load Regulation	-	-	0.2	0.5	%	0 mA to 250 mA, VIN = 3.3 V
Line Regulation	-	-	0.01	0.05	%/V	2.7 V to 5.5 V, IOUT = 250 mA
PSRR (Power Supply Rejection Ratio)	-	-	60	70	dB	100 Hz, IOUT = 250 mA
Operating Temperature Range	Toperating	-40	-	125	掳C
Storage Temperature Range	Tstorage	-65	-	150	掳C

Instructions for Using the MPS911

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 2.7 V to 5.5 V.
   • Connect the input voltage to the VIN pin.

2. Output Voltage (VOUT):

   • The output voltage can be adjusted using external resistors R1 and R2.
   • Use the following formula to calculate the output voltage: [ V_ = V_ left(1 + fracright) ] where ( V_ ) is typically 1.25 V.

3. Output Capacitor (COUT):

   • A ceramic capacitor of at least 1 渭F is recommended for stability.
   • Place the capacitor as close as possible to the VOUT and GND pins.

4. Input Capacitor (CIN):

   • A ceramic capacitor of at least 1 渭F is recommended to filter input noise.
   • Place the capacitor as close as possible to the VIN and GND pins.

5. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high current or in high ambient temperatures.
   • The device is designed to operate up to 125掳C, but performance may degrade at higher temperatures.

6. Shutdown Function:

   • The SHDN pin can be used to put the device into a low-power shutdown mode.
   • Pull the SHDN pin low to disable the output and reduce quiescent current to less than 1 渭A.

7. Layout Considerations:

   • Keep the PCB traces short and wide to minimize inductance and resistance.
   • Use ground planes to improve thermal performance and reduce noise.

8. Storage and Handling:

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

By following these instructions, you can ensure optimal performance and reliability of the MPS911 in your application.

(For reference only)