Details

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BUY MAX1748EUE https://www.utsource.net/itm/p/11772930.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous	2.9	-	5.5	V
Output Voltage	VOUT	Fixed	-	3.3	-	V
Output Current	IOUT	Continuous	-	600	-	mA
Quiescent Current	IQ	VIN = 5V, No Load	-	30	-	渭A
Shutdown Current	ISD	VIN = 5V	-	1	-	渭A
Dropout Voltage	VDROPOUT	IOUT = 300mA	-	200	-	mV
Operating Temperature	TOPR	Storage	-40	-	85	掳C
Junction Temperature	Tj	Maximum	-	-	125	掳C
Thermal Resistance	胃JA	Free Air	-	200	-	掳C/W

Instructions for Use:

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the positive terminal of the power supply.
   • Ensure the input voltage is within the specified range (2.9V to 5.5V).

2. Output Connection:

   • Connect the output voltage (VOUT) to the load.
   • The output voltage is fixed at 3.3V.

3. Ground Connection:

   • Connect the ground (GND) pin to the common ground of the system.

4. Capacitor Selection:

   • Use a 1渭F ceramic capacitor from VIN to GND to filter input noise.
   • Use a 1渭F ceramic capacitor from VOUT to GND to stabilize the output.

5. Shutdown Function:

   • To enable the shutdown function, connect the SHDN pin to GND or apply a low signal.
   • To activate the device, leave the SHDN pin open or apply a high signal (VIN).

6. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
   • The maximum junction temperature should not exceed 125掳C.

7. Storage and Handling:

   • Store the device in a dry, cool environment.
   • Handle with care to avoid damage to the pins and the device itself.

8. PCB Layout:

   • Place the device close to the load to minimize trace lengths and reduce parasitic inductance.
   • Use wide traces for power and ground connections to reduce resistance and improve thermal performance.

By following these instructions, you can ensure optimal performance and reliability of the MAX1748EUE.

(For reference only)