Details

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BUY NCEP02580F https://www.utsource.net/itm/p/12603211.html

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Input Voltage	VIN	4.5	-	13.2	V	Operating range
Output Voltage	VOUT	2.5	-	5.5	V	Adjustable; set by external resistors
Output Current	IOUT	-	2.5	3.0	A	Continuous output current
Quiescent Current	IQ	-	2.5	3.5	mA	At no load
Dropout Voltage	VDO	-	0.8	1.2	V	At full load
Load Regulation	-	-	0.5	1.0	%	Over the specified load range
Line Regulation	-	-	0.1	0.5	%	Over the specified input voltage range
Ripple Rejection	-	60	70	80	dB	At 100 Hz
Operating Temperature	TA	-40	-	85	掳C	Ambient temperature range
Storage Temperature	TSTG	-65	-	150	掳C	Storage temperature range
Thermal Resistance (胃JA)	-	-	35	45	掳C/W	Junction to ambient

Instructions for Use:

1. Input Voltage (V_IN):

   • Ensure the input voltage is within the operating range of 4.5V to 13.2V.
   • The input voltage should be higher than the desired output voltage plus the dropout voltage.

2. Output Voltage (V_OUT):

   • The output voltage can be adjusted using external resistors. The formula to calculate the output voltage is: [ V_{text} = V_{text} left(1 + fracright) ]
   • Where ( V_{text} ) is the reference voltage (typically 1.25V), ( R_1 ) is the resistor connected between the output and adjust pins, and ( R_2 ) is the resistor connected between the adjust pin and ground.

3. Output Current (I_OUT):

   • The device can provide a continuous output current of up to 3.0A. Ensure the load does not exceed this limit to avoid overheating or damage.

4. Quiescent Current (I_Q):

   • The quiescent current is the current consumed by the regulator when there is no load. It is typically around 2.5mA at no load.

5. Dropout Voltage (V_DO):

   • The dropout voltage is the minimum difference between the input and output voltages required for the regulator to maintain regulation. It is typically around 0.8V at full load.

6. Load Regulation:

   • The load regulation is the change in output voltage as the load current changes. It is typically around 0.5% over the specified load range.

7. Line Regulation:

   • The line regulation is the change in output voltage as the input voltage changes. It is typically around 0.1% over the specified input voltage range.

8. Ripple Rejection:

   • The ripple rejection is the ability of the regulator to reduce input ripple at the output. It is typically around 70dB at 100Hz.

9. Operating Temperature (T_A):

   • The device is designed to operate in ambient temperatures ranging from -40掳C to 85掳C. Ensure proper heat dissipation if operating near the upper limit.

10. Storage Temperature (T_STG):

    • The device can be stored in temperatures ranging from -65掳C to 150掳C without damage.

11. Thermal Resistance (胃_JA):

    • The thermal resistance from the junction to the ambient environment is typically around 35掳C/W. Ensure adequate cooling if operating under high power conditions.

Additional Notes:

• Always use appropriate decoupling capacitors on both the input and output to ensure stability and reduce noise.
• For high-power applications, consider using a heatsink to improve thermal performance.
• Refer to the datasheet for detailed circuit diagrams and application notes.

(For reference only)