Details

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BUY LM2611AMF https://www.utsource.net/itm/p/12609922.html

Parameter	Symbol	Min	Typical	Max	Unit
Input Voltage Range	VIN	3.0	-	42.0	V
Output Voltage Range	VOUT	1.25	-	37.0	V
Output Current	IOUT	-	1.0	1.5	A
Quiescent Current	IQ	0.01	0.08	0.2	mA
Shutdown Current	ISD	0.0	0.005	0.01	渭A
Switching Frequency	fSW	100	500	1000	kHz
Efficiency (VOUT = 5V, IOUT = 1A)	畏	-	90	-	%
Dropout Voltage	VDROPOUT	0.3	-	1.0	V
Thermal Shutdown Temperature	TSD	-	160	-	掳C
Operating Temperature Range	TOPR	-40	-	125	掳C
Storage Temperature Range	TSTG	-65	-	150	掳C

Instructions for Using LM2611AMF

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 3.0V to 42.0V.
   • Use appropriate input filtering capacitors to reduce noise and ripple.

2. Output Voltage (VOUT):

   • Set the output voltage using external resistors R1 and R2 according to the formula: VOUT = 1.25 * (1 + R1/R2).
   • Use a ceramic or tantalum capacitor at the output to stabilize the regulator.

3. Output Current (IOUT):

   • The maximum continuous output current is 1.5A, but it is typically designed to handle up to 1.0A.
   • Ensure adequate heat dissipation if operating near the maximum current.

4. Quiescent Current (IQ):

   • The quiescent current is very low, typically around 0.08mA, which makes the LM2611AMF suitable for battery-powered applications.

5. Shutdown Mode:

   • Use the SHUTDOWN pin to control the operation of the regulator. Apply a logic high to enable the regulator and a logic low to disable it.
   • The shutdown current is extremely low, typically 5渭A.

6. Switching Frequency (fSW):

   • The switching frequency can be set between 100kHz and 1000kHz using an external resistor connected to the RT/CLK pin.
   • Higher frequencies reduce the size of external components but may increase power loss.

7. Thermal Considerations:

   • The device has thermal shutdown protection that activates at approximately 160掳C.
   • Ensure proper PCB layout and heatsinking to maintain the operating temperature within the specified range (-40掳C to 125掳C).

8. Storage and Handling:

   • Store the device in a dry environment to prevent moisture damage.
   • Follow ESD (Electrostatic Discharge) precautions during handling to avoid damaging the device.

By following these parameters and instructions, you can ensure optimal performance and reliability of the LM2611AMF in your application.

(For reference only)