Details

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BUY CAT6243-ADJMT5T3 https://www.utsource.net/itm/p/12609956.html

Parameter	Symbol	Min	Typ	Max	Unit
Input Voltage	VIN	2.7	-	5.5	V
Output Voltage Range	VOUT	0.8	-	5.0	V
Output Current	IOUT	-	1.5	2.0	A
Quiescent Current	IQ	-	2.0	-	渭A
Shutdown Current	ISD	-	0.1	-	渭A
Dropout Voltage	VDROPOUT	-	120	-	mV
PSRR at 100 kHz	PSRR	-	70	-	dB
Operating Temperature	TOPR	-40	-	125	掳C
Storage Temperature	TSTG	-65	-	150	掳C

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 2.7V to 5.5V.
   • Use appropriate decoupling capacitors (e.g., 1渭F ceramic) close to the input pin to filter out noise.

2. Output Voltage (VOUT):

   • The output voltage can be adjusted from 0.8V to 5.0V using external resistors.
   • Use the formula: ( V_ = 0.8 times (1 + frac) ) where ( R_1 ) and ( R_2 ) are the resistor values.

3. Output Current (IOUT):

   • The typical output current is 1.5A with a maximum of 2.0A.
   • Ensure the load does not exceed the maximum output current to avoid damage.

4. Quiescent Current (IQ):

   • The quiescent current is typically 2.0渭A, which is very low, making it suitable for battery-powered applications.

5. Shutdown Current (ISD):

   • When the shutdown pin is activated, the current drops to 0.1渭A, significantly reducing power consumption.

6. Dropout Voltage (VDROPOUT):

   • The dropout voltage is typically 120mV, allowing the regulator to maintain regulation even when the input voltage is close to the output voltage.

7. PSRR (Power Supply Rejection Ratio):

   • At 100 kHz, the PSRR is 70dB, indicating good rejection of high-frequency noise.

8. Operating Temperature (TOPR):

   • The device operates reliably over a temperature range of -40掳C to 125掳C.

9. Storage Temperature (TSTG):

   • Store the device in a temperature range of -65掳C to 150掳C to ensure long-term reliability.

10. PCB Layout Considerations:

    • Place the input and output capacitors as close as possible to the respective pins.
    • Use wide traces for the input and output paths to minimize resistance and inductance.
    • Ensure proper grounding and thermal management to dissipate heat effectively.

11. Safety Precautions:

    • Do not exceed the maximum ratings specified in the table.
    • Use appropriate protection circuits (e.g., reverse polarity protection, overcurrent protection) to safeguard the device and connected components.

(For reference only)