Details

---

BUY MAX1535CETJ+ https://www.utsource.net/itm/p/12612480.html

Below is the parameter table and instructions for the MAX1535CETJ+:

Parameter Table

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Input Voltage	VIN	2.7	-	5.5	V
Output Voltage	VOUT	0.8	-	3.6	V	Adjustable via external resistors
Output Current	IOUT	-	1.5	2.0	A	Continuous
Switching Frequency	fSW	400	600	1000	kHz	Adjustable via external resistor
Efficiency	畏	-	90	-	%	Typical at full load
Quiescent Current	IQ	25	-	-	渭A	Shutdown mode
Shutdown Current	ISD	1	-	-	渭A	VIN = 5V, VSHDN = 0V
Operating Temperature	Toper	-40	-	85	掳C
Storage Temperature	Tstg	-65	-	150	掳C

Instructions

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the power supply.
   • Ensure the input voltage is within the range of 2.7V to 5.5V.

2. Output Voltage Setting:

   • The output voltage (VOUT) can be adjusted using external resistors R1 and R2.
   • Use the formula: ( V_ = V_ left(1 + fracright) )
   • Where ( V_ ) is typically 0.6V.

3. Switching Frequency Adjustment:

   • The switching frequency can be adjusted by connecting an external resistor (RT) between the RT/CLK pin and ground.
   • Use the formula: ( f_ = frac{1.08 times 10^6} )
   • Where ( R_T ) is in ohms.

4. Shutdown Mode:

   • To put the device into shutdown mode, connect the SHDN pin to ground.
   • The quiescent current in shutdown mode is approximately 1渭A.

5. Thermal Considerations:

   • Ensure proper heat dissipation if operating at high output currents or in high ambient temperatures.
   • Use a heatsink or PCB copper area to improve thermal performance.

6. Capacitor Selection:

   • Choose input and output capacitors based on the recommended values in the datasheet to ensure stable operation.
   • Typically, ceramic capacitors with low ESR are recommended.

7. Layout Guidelines:

   • Place the input and output capacitors as close as possible to the IC.
   • Keep the ground plane solid and wide to minimize noise and improve stability.

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 circuits.

For more detailed information, refer to the official datasheet of the MAX1535CETJ+.

(For reference only)