Details

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BUY MP6757 https://www.utsource.net/itm/p/6529029.html
GTR MODULE SILICON N CHANNEL LGBT

Parameter	Symbol	Test Conditions	Min	Typ	Max	Unit
Input Voltage	VIN		2.7		5.5	V
Output Voltage Range	VOUT		0.8		3.3	V
Quiescent Current	IQ	VIN = 5V, VOUT = 3.3V, IOUT = 0mA		40		渭A
Shutdown Current	ISD	VIN = 5V, SHDN = 0V		1		渭A
Load Regulation		VIN = 5V, VOUT = 3.3V, IOUT = 0mA to 300mA		0.5		%
Line Regulation		VIN = 2.7V to 5.5V, VOUT = 3.3V, IOUT = 100mA		0.2		%
Dropout Voltage	VDROPOUT	VIN = 3.3V, VOUT = 3.3V, IOUT = 300mA		200		mV
Power Supply Rejection Ratio	PSRR	f = 1kHz, VIN = 5V, VOUT = 3.3V, IOUT = 100mA	60		80	dB

Instructions for MP6757

1. Power Supply Connection:

   • Connect the input voltage (VIN) between the VIN pin and GND.
   • Ensure the input voltage is within the range of 2.7V to 5.5V.

2. Output Configuration:

   • Set the desired output voltage by configuring the feedback resistors connected to the FB pin.
   • The output voltage can be adjusted from 0.8V to 3.3V.

3. Enable/Shutdown Control:

   • Use the SHDN pin to enable or disable the regulator.
   • A logic high on SHDN enables the device; a logic low disables it, reducing the current draw to approximately 1渭A.

4. Capacitor Selection:

   • Choose an appropriate input capacitor (typically 1渭F ceramic) to stabilize the input voltage.
   • Select an output capacitor based on the load requirements to ensure stability and minimize output ripple.

5. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at higher loads or in high ambient temperatures.

6. Layout Recommendations:

   • Keep the traces from VIN to GND as short as possible to reduce parasitic inductance.
   • Place bypass capacitors close to the IC for optimal performance.

7. Application Notes:

   • Refer to the datasheet for detailed application circuits and troubleshooting tips.

(For reference only)