Details

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BUY L4962 https://www.utsource.net/itm/p/12603903.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	-	2.5	-	40	V
Output Voltage	VOUT	-	1.2	-	38	V
Output Current	IOUT	-	-	1.5	3	A
Quiescent Current	IQ	VIN = 5V, VOUT = 5V	-	70	-	渭A
Dropout Voltage	VD	IOUT = 3A, VIN = 5V	-	1.2	-	V
Thermal Shutdown	TSD	-	-	160	-	掳C
Protection	-	Short-Circuit, Over-Temperature	-	-	-	-

Instructions for Using the L4962

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 2.5V to 40V.
   • The input voltage should be higher than the desired output voltage by at least the dropout voltage.

2. Output Voltage (VOUT):

   • The output voltage can be set between 1.2V and 38V.
   • Use external resistors to adjust the output voltage according to the formula: [ V_ = 1.25 left(1 + fracright) ]
   • Where ( R_1 ) and ( R_2 ) are the feedback resistors.

3. Output Current (IOUT):

   • The typical output current is 1.5A, with a maximum of 3A.
   • Ensure the load does not exceed the maximum output current to avoid damage.

4. Quiescent Current (IQ):

   • The quiescent current is typically 70渭A at VIN = 5V and VOUT = 5V.
   • This current is the power consumption of the regulator when there is no load.

5. Dropout Voltage (VD):

   • The dropout voltage is typically 1.2V at IOUT = 3A and VIN = 5V.
   • Ensure the input voltage is always higher than the output voltage plus the dropout voltage.

6. Thermal Shutdown (TSD):

   • The thermal shutdown temperature is typically 160掳C.
   • The device will automatically shut down if it reaches this temperature to prevent damage.

7. Protection:

   • The L4962 includes short-circuit and over-temperature protection.
   • These features help protect the device from damage due to excessive current or temperature.

8. Capacitors:

   • Use appropriate input and output capacitors to stabilize the regulator.
   • Recommended values are typically 10渭F for the input and 10渭F for the output.

9. Layout Considerations:

   • Keep the input and output capacitors as close as possible to the L4962 to minimize noise and improve stability.
   • Ensure good thermal management, such as using a heatsink if necessary, especially for high current applications.

(For reference only)