Details

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BUY 5R190CE. https://www.utsource.net/itm/p/12607111.html

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Input Voltage	V_IN	4.5	-	28	V
Output Voltage	V_OUT	5.0	-	5.0	V	Fixed
Output Current	I_OUT	-	300	500	mA
Quiescent Current	I_Q	-	1.5	2.5	mA
Dropout Voltage	V_DROPOUT	-	0.5	1.0	V	@ I_OUT = 500mA
Load Regulation	-	-	0.5	1.0	%	0 to 500mA
Line Regulation	-	-	0.1	0.2	%/V	4.5 to 28V
Ripple Rejection	-	60	70	80	dB	1kHz
Operating Temperature	T_OP	-40	-	85	掳C
Storage Temperature	T_STG	-65	-	150	掳C

Instructions for Use:

1. Input Connection:

   • Connect the input voltage (V_IN) to the Vin pin. Ensure the input voltage is within the specified range (4.5V to 28V).

2. Output Connection:

   • Connect the output voltage (V_OUT) to the Vout pin. The output is fixed at 5.0V.

3. Ground Connection:

   • Connect the ground (GND) to both the input and output ground pins.

4. Capacitors:

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

5. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures. The device may require a heatsink if the power dissipation exceeds the thermal limits.

6. Load Regulation:

   • The load regulation is typically 0.5% to 1.0%. Ensure that the load current does not exceed 500mA to maintain optimal performance.

7. Line Regulation:

   • The line regulation is typically 0.1% to 0.2% per volt. This ensures that the output voltage remains stable over the input voltage range.

8. Ripple Rejection:

   • The ripple rejection is typically 60dB to 80dB at 1kHz, which helps in filtering out input voltage fluctuations.

9. Operating and Storage Temperature:

   • The device can operate within a temperature range of -40掳C to 85掳C and can be stored between -65掳C and 150掳C.

10. Handling Precautions:

    • Handle the device with care to avoid static discharge, which can damage the internal components.
    • Follow standard ESD (Electrostatic Discharge) precautions during handling and assembly.

(For reference only)