Details

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BUY KA7500B https://www.utsource.net/itm/p/12447316.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	4.5	-	40	V	Operating input voltage range
Output Voltage	VOUT	-	5	-	V	Fixed output voltage
Output Current	IOUT	-	1.5	-	A	Maximum continuous output current
Quiescent Current	IQ	-	5	-	mA	Typical quiescent current
Dropout Voltage	VDROPOUT	-	1.2	-	V	Typical dropout voltage at IOUT = 1.5A
Power Dissipation	PD	-	-	18	W	Maximum power dissipation (TA = 25°C)
Junction Temperature	TJ	-	-	150	°C	Maximum junction temperature
Storage Temperature	TSTG	-40	-	125	°C	Operating storage temperature range
Thermal Resistance	RθJA	-	35	-	°C/W	Junction-to-ambient thermal resistance

Instructions for Use:

1. Input Connection:

   • Connect the input voltage (VIN) to the input pin of the KA7500B. Ensure the input voltage is within the specified range (4.5V to 40V).

2. Output Connection:

   • Connect the load to the output pin (VOUT) of the KA7500B. The output voltage is fixed at 5V.

3. Ground Connection:

   • Ensure a common ground connection between the input, output, and load circuits.

4. Heat Management:

   • The KA7500B can dissipate up to 18W of power. For high-power applications, use a heatsink to manage the junction temperature and prevent overheating.

5. Capacitors:

   • Place a 10μF electrolytic capacitor close to the input pin to stabilize the input voltage.
   • Place a 10μF electrolytic capacitor close to the output pin to stabilize the output voltage and improve transient response.

6. Current Limiting:

   • The KA7500B has built-in current limiting to protect against overcurrent conditions. The maximum continuous output current is 1.5A.

7. Thermal Protection:

   • The device includes thermal shutdown protection to prevent damage from excessive junction temperatures. Ensure proper ventilation and cooling.

8. Storage and Handling:

   • Store the KA7500B in a dry environment within the specified storage temperature range (-40°C to 125°C).
   • Handle with care to avoid damage to the pins and the device itself.

9. Testing:

   • Before connecting the load, test the output voltage with a multimeter to ensure it is stable and within the expected range.

10. Safety Precautions:

    • Always follow safety guidelines when working with electrical components to avoid injury or damage to equipment.

(For reference only)