Details

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Parameter	Description	Min	Typical	Max	Unit
Input Voltage (VIN)	Operating input voltage range	4.5	-	40	V
Output Voltage (VOUT)	Adjustable output voltage range	1.25	-	37	V
Output Current (IOUT)	Maximum continuous output current	-	1.5	3.0	A
Dropout Voltage (VDO)	Dropout voltage at IOUT = 1.5A	-	1.2	-	V
Quiescent Current (IQ)	Quiescent current	-	10	-	mA
Shutdown Current (ISD)	Shutdown current	-	0.1	-	渭A
Thermal Shutdown (TSD)	Thermal shutdown temperature	-	160	-	掳C
Operating Temperature (TA)	Ambient operating temperature range	-40	-	85	掳C
Storage Temperature (TSTG)	Storage temperature range	-65	-	150	掳C

Instructions for Using PD3170A

1. Input Connection:

   • Connect the input voltage (VIN) to the IN pin. Ensure the input voltage is within the specified range (4.5V to 40V).

2. Output Connection:

   • Connect the output load to the OUT pin. The output voltage can be adjusted using an external resistor divider.

3. Adjusting Output Voltage:

   • Use the following formula to set the output voltage: [ V_ = 1.25 left(1 + fracright) ] where ( R_1 ) is the resistor connected between the ADJ pin and ground, and ( R_2 ) is the resistor connected between the ADJ pin and the OUT pin.

4. Ground Connection:

   • Ensure a solid ground connection by connecting the GND pin to the system ground.

5. Thermal Considerations:

   • Place the PD3170A on a heatsink or a PCB with adequate copper area to dissipate heat, especially when operating at high currents.

6. Capacitors:

   • Use a 1渭F ceramic capacitor from the IN pin to GND to filter input noise.
   • Use a 1渭F ceramic capacitor from the OUT pin to GND to stabilize the output.

7. Shutdown Function:

   • To shut down the device, connect the SHDN pin to GND. The device will enter a low-power mode with minimal quiescent current.
   • To activate the device, connect the SHDN pin to VIN or leave it floating.

8. Overcurrent Protection:

   • The PD3170A has built-in overcurrent protection that limits the output current to prevent damage.

9. Thermal Shutdown:

   • The device will automatically shut down if the junction temperature exceeds 160掳C to prevent thermal damage.

10. Storage and Handling:

    • Store the device in a dry, cool place away from direct sunlight.
    • Handle the device with care to avoid static discharge, which can damage sensitive components.

(For reference only)