Details

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BUY MP2128DT-LF-Z https://www.utsource.net/itm/p/12611299.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	2.7	-	5.5	V	Operating input voltage range
Output Voltage	VOUT	-	1.2	-	V	Fixed output voltage
Quiescent Current	IQ	-	20	-	渭A	Quiescent current at no load
Load Regulation		-	1	-	%	Load regulation from 0 to 300mA
Line Regulation		-	0.2	-	%/V	Line regulation over the full input range
Dropout Voltage	VDROPOUT	-	280	-	mV	Dropout voltage at 300mA
Operating Temperature	TOPR	-40	-	85	掳C	Operating temperature range

Instructions for MP2128DT-LF-Z

1. Power Supply Connection:

   • Connect the input voltage (VIN) within the range of 2.7V to 5.5V.
   • Ensure the input capacitor is placed close to the VIN pin for stability.

2. Output Configuration:

   • The device provides a fixed output voltage of 1.2V. No external resistors are required for setting the output voltage.

3. Quiescent Current Management:

   • The quiescent current is typically 20渭A, which helps in achieving high efficiency even at low loads.

4. Thermal Considerations:

   • Operate the device within the temperature range of -40掳C to 85掳C to ensure reliable performance.

5. Load and Line Regulation:

   • The device maintains tight load regulation (<1%) and line regulation (0.2%/V), ensuring stable output voltage under varying conditions.

6. Dropout Voltage:

   • Keep the dropout voltage in mind when designing the power supply to avoid entering dropout mode, especially at higher currents.

7. PCB Layout Recommendations:

   • Place the input and output capacitors as close as possible to the IC to minimize noise and improve transient response.
   • Ensure adequate PCB trace widths to handle the expected current without excessive heating.

8. Handling Precautions:

   • Follow standard ESD handling procedures to prevent damage to the component during assembly and handling.

(For reference only)