Details

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BUY KS8245A1 https://www.utsource.net/itm/p/6527598.html
Single Darlington Transistor Module (15 Amperes/600 Volts)

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD	Operating	2.7		5.5	V
Output Current	IO	Continuous		1.5		A
Switching Frequency	fSW	Typical		600		kHz
Efficiency	畏	@ VIN=5V, IOUT=1A		90		%
Quiescent Current	IQ	No load		40		渭A
Shutdown Current	ISD	VIN=5V		1		渭A
Input Voltage Range	VIN	Operating	2.7		5.5	V

Instructions for KS8245A1

1. Power Supply Connection:

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

2. Ground Connection:

   • Ensure a solid ground connection for all components to avoid noise and instability.

3. Output Configuration:

   • The output current should not exceed the continuous rating of 1.5A. Use appropriate external components like inductors and capacitors for stable operation.

4. Switching Frequency:

   • The device operates at a typical switching frequency of 600kHz. Adjust external components if a different frequency is required.

5. Efficiency Considerations:

   • For optimal efficiency, operate the device around the tested conditions where efficiency is typically 90%.

6. Quiescent and Shutdown Current:

   • In no-load conditions, the quiescent current is approximately 40渭A.
   • When in shutdown mode, the current drops to about 1渭A.

7. Thermal Considerations:

   • Ensure adequate heat dissipation, especially under high load conditions, to maintain performance and longevity.

8. Protection Features:

   • The device includes internal protection features such as overcurrent and thermal shutdown. Verify these are sufficient for your application requirements.

(For reference only)