Details

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BUY SM6A27 https://www.utsource.net/itm/p/12543070.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	4.5	-	30	V	Operating input voltage range
Output Voltage	VOUT	-	5	-	V	Fixed output voltage
Output Current	IOUT	-	2	3	A	Continuous output current
Efficiency	η	-	90	-	%	Typical efficiency at nominal conditions
Quiescent Current	IQ	-	10	-	μA	Quiescent current
Dropout Voltage	VDROPOUT	-	200	-	mV	Typical dropout voltage at full load
Operating Temp.	TOPR	-40	-	85	°C	Operating temperature range
Storage Temp.	TSTG	-55	-	150	°C	Storage temperature range
Thermal Resistance	θJA	-	50	-	°C/W	Junction-to-ambient thermal resistance
Load Regulation	ΔVOUT/ΔIOUT	-	0.5	-	%	Load regulation over specified range
Line Regulation	ΔVOUT/ΔVIN	-	0.1	-	%	Line regulation over specified range
Ripple Rejection	PSRR	-	70	-	dB	Power supply rejection ratio at 100 kHz

Instructions for Use

1. Input Connection:

   • Connect the input voltage (VIN) to the positive terminal of the SM6A27.
   • Ensure the input voltage is within the specified range (4.5V to 30V).

2. Output Connection:

   • Connect the output voltage (VOUT) to the load.
   • The fixed output voltage is 5V.

3. Ground Connection:

   • Connect the ground (GND) of the input and output to a common ground.

4. Heat Dissipation:

   • For high current applications, ensure adequate heat dissipation by using a heatsink or mounting the device on a large copper area.

5. Capacitors:

   • Use input and output capacitors as recommended in the datasheet to stabilize the circuit and reduce ripple.
   • Typical values: 10μF ceramic capacitor for input and 10μF ceramic capacitor for output.

6. Operating Temperature:

   • Ensure the operating temperature is within the specified range (-40°C to 85°C).

7. Storage Temperature:

   • Store the device in a dry place with temperatures between -55°C and 150°C.

8. Thermal Management:

   • Monitor the junction temperature to ensure it does not exceed the maximum rating.
   • Use the thermal resistance (θJA) to estimate the temperature rise under different operating conditions.

9. Load and Line Regulation:

   • Verify that the load and line regulation meet the application requirements.
   • Use the provided typical values for reference.

10. Ripple Rejection:

    • Ensure the power supply rejection ratio (PSRR) meets the application requirements, especially in noisy environments.

11. Quiescent Current:

    • Consider the quiescent current when designing low-power applications to minimize standby power consumption.

12. Dropout Voltage:

    • Account for the dropout voltage when selecting the input voltage to ensure stable operation under all load conditions.

(For reference only)