Details

---

BUY L475D https://www.utsource.net/itm/p/12593601.html

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Input Voltage	VIN	2.9	-	40	V
Output Voltage	VOUT	-	-	35	V	Adjustable
Quiescent Current	IQ	-	1.5	-	mA
Dropout Voltage	VD	-	0.6	-	V	@ IOUT = 150mA, VIN = 5V
Output Current	IOUT	-	-	150	mA	Continuous
Thermal Shutdown	TSD	-	160	-	掳C	Typical
Protection	-	-	-	-	-	Overcurrent, Thermal Shutdown

Instructions for Using L475D:

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the input pin.
   • Ensure the input voltage is within the range of 2.9V to 40V.

2. Output Voltage Adjustment:

   • The output voltage (VOUT) can be adjusted using external resistors.
   • Use the formula: ( V_ = 1.25 left(1 + fracright) )
   • Choose appropriate values for R1 and R2 to achieve the desired output voltage.

3. Ground Connection:

   • Connect the ground (GND) pin to the common ground of the circuit.

4. Capacitors:

   • Place a 10渭F electrolytic capacitor between the input pin and ground to stabilize the input voltage.
   • Place a 10渭F electrolytic capacitor between the output pin and ground to stabilize the output voltage.

5. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high current or in high ambient temperatures.
   • The thermal shutdown temperature is typically 160掳C to prevent damage from overheating.

6. Protection:

   • The L475D includes overcurrent and thermal shutdown protection to safeguard against excessive load conditions and overheating.

7. Mounting:

   • Mount the L475D on a PCB with proper spacing to allow for air circulation and cooling.

8. Testing:

   • After assembly, test the output voltage and current to ensure it meets the design specifications.
   • Check for any signs of overheating or unusual behavior during operation.

(For reference only)