Details

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BUY ISL95833BIRTZ https://www.utsource.net/itm/p/12541687.html

Parameter	Description	Min	Typ	Max	Unit
Input Voltage (VIN)	Operating input voltage range	2.7	-	5.5	V
Output Voltage (VOUT)	Adjustable output voltage	0.6	-	5.0	V
Output Current (IOUT)	Maximum continuous output current	-	3	-	A
Efficiency (η)	Typical efficiency at nominal conditions	-	92	-	%
Switching Frequency (fSW)	Switching frequency	1.0	-	2.0	MHz
Quiescent Current (IQ)	Quiescent current at no load	25	-	-	μA
Shutdown Current (ISD)	Shutdown current	0.1	-	-	μA
Thermal Shutdown Temperature (TSD)	Thermal shutdown temperature	160	-	-	°C
Operating Temperature (TA)	Operating ambient temperature range	-40	-	125	°C
Storage Temperature (TSTG)	Storage temperature range	-65	-	150	°C
Package Type	Package type	-	-	-	TQFN-20
Pin Pitch	Pin pitch	-	-	-	0.5 mm
Pin Count	Number of pins	-	20	-	-

Instructions for Using ISL95833BIRTZ

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the power supply within the specified range (2.7V to 5.5V).
   • Ensure proper decoupling capacitors are placed close to the VIN pin to reduce noise and improve stability.

2. Output Configuration:

   • Set the desired output voltage (VOUT) using an external resistor divider network connected to the FB (feedback) pin.
   • The output voltage can be adjusted from 0.6V to 5.0V.

3. Inductor Selection:

   • Choose an appropriate inductor based on the switching frequency (1.0 MHz to 2.0 MHz) and output current requirements.
   • Refer to the datasheet for recommended inductor values and characteristics.

4. Capacitor Selection:

   • Select output capacitors that provide low ESR and sufficient capacitance to maintain stable output voltage.
   • Input capacitors should also be chosen to filter out high-frequency noise.

5. Thermal Management:

   • Ensure adequate thermal management to keep the device within the operating temperature range (-40°C to 125°C).
   • Use a heatsink or thermal pad if necessary to dissipate heat.

6. Shutdown Function:

   • To enable the shutdown function, pull the EN (enable) pin low.
   • The shutdown current is typically 0.1 μA.

7. Layout Considerations:

   • Follow good PCB layout practices to minimize parasitic inductances and capacitances.
   • Keep high-current paths short and wide to reduce resistance and inductance.

8. Testing and Validation:

   • After assembly, test the circuit under various load conditions to ensure it meets the design specifications.
   • Verify the efficiency and thermal performance to ensure reliable operation.

For detailed information and specific application notes, refer to the ISL95833BIRTZ datasheet and technical documentation provided by Intersil.

(For reference only)