Details

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BUY ISL6842IBZ https://www.utsource.net/itm/p/12532412.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous operating range	4.5	-	18	V
Output Voltage Range	VOUT	Adjustable	0.6	-	5.5	V
Switching Frequency	fSW	Typical	-	300	1000	kHz
Efficiency	η	@VIN=12V, VOUT=5V, IOUT=10A	-	92	-	%
Load Regulation		From 0 to Full Load	-	0.2	-	%
Line Regulation		VIN from 4.5V to 18V	-	0.1	-	%
Dropout Voltage	VDROPOUT	@IOUT=10A	-	0.4	-	V
Quiescent Current	IQ	No load	-	70	-	μA
Maximum Output Current	IOUT	Continuous	-	20	-	A
Protection Features		OVP, UVP, SCP, OTP	-	-	-	-

Instructions for ISL6842IBZ

1. Power Supply Requirements:

   • Ensure the input voltage (VIN) is within the specified range of 4.5V to 18V.
   • Use appropriate decoupling capacitors on VIN and VOUT to ensure stability.

2. Output Configuration:

   • Set the output voltage (VOUT) using external resistors as per the datasheet formula.
   • Verify that the selected VOUT is within the adjustable range of 0.6V to 5.5V.

3. Frequency Setting:

   • The switching frequency can be set by an external resistor or left at the default typical value of 300kHz to 1000kHz.

4. Thermal Considerations:

   • Ensure adequate heat dissipation for the device, especially when operating at higher currents.
   • Monitor the junction temperature to prevent overheating.

5. Protection Circuits:

   • The device includes Over-Voltage Protection (OVP), Under-Voltage Protection (UVP), Short-Circuit Protection (SCP), and Over-Temperature Protection (OTP).
   • Review the conditions under which these protections activate to avoid unnecessary shutdowns.

6. Application Specific Notes:

   • Refer to the detailed application notes in the full datasheet for specific guidelines on PCB layout, component selection, and troubleshooting tips.

For more detailed specifications and design considerations, refer to the complete datasheet provided by the manufacturer.

(For reference only)