Details

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BUY LM5010SD https://www.utsource.net/itm/p/4737819.html
High Voltage 1A Step Down Switching Regulator

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous Operating Range	5.5		60	V
Output Voltage	VOUT	Adjustable Range	1.23		45	V
Quiescent Current	IQ	VIN = 12V, No Load		80		渭A
Dropout Voltage	VDROPOUT	IOUT = 1A		500		mV
Load Regulation		IOUT: 0 to 1A		0.1		%
Line Regulation		VIN: 5.5V to 60V		0.01		%
Reference Voltage	VREF			1.23		V
Power Dissipation	PD	TJ = 125掳C		1600		mW
Junction Temperature	TJ	Maximum Operating			150	掳C

Instructions for LM5010SD

1. Input Voltage Connection:

   • Connect the input voltage between VIN and GND. Ensure the input voltage is within the specified range (5.5V to 60V).

2. Output Voltage Configuration:

   • The output voltage can be adjusted using external resistors connected to the FB pin. Use the formula ( V_ = V_ times (1 + frac) ) where ( V_ = 1.23V ).

3. Quiescent Current Consideration:

   • Be mindful of the quiescent current when designing for low-power applications. It is typically 80渭A at 12V input.

4. Thermal Management:

   • Monitor the junction temperature to ensure it does not exceed 150掳C. Proper heat sinking may be required depending on the application.

5. Load Regulation:

   • The load regulation is typically 0.1%, ensuring stable output voltage over a wide range of load currents.

6. Line Regulation:

   • With line regulation of 0.01%, the output voltage remains stable even with variations in the input voltage.

7. Capacitor Selection:

   • Choose appropriate input and output capacitors to stabilize the circuit and reduce ripple. Refer to the datasheet for recommended capacitor values and types.

8. PCB Layout:

   • For optimal performance, follow good PCB layout practices, including short trace lengths and proper grounding.

9. Protection Features:

   • The device includes internal protection features such as thermal shutdown and current limiting to safeguard against overload conditions.

For detailed specifications and additional information, refer to the official datasheet of the LM5010SD.

(For reference only)