Details

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BUY LM27951SD/NOPB https://www.utsource.net/itm/p/12609451.html

Parameter	Symbol	Conditions	Min	Typical	Max	Unit
Input Voltage	VIN	Operating	2.5	-	5.5	V
Output Voltage	VOUT	Fixed	-	1.8	-	V
Quiescent Current	IQ	VIN = 3V	-	70	-	μA
Dropout Voltage	VDROPOUT	IOUT = 500mA, VIN = 3.3V	-	450	-	mV
Load Regulation	ΔVOUT	IOUT: 0mA to 500mA	-	3	-	mV
Line Regulation	ΔVOUT	VIN: 2.5V to 5.5V	-	3	-	mV
PSRR at 1kHz	PSRR	VIN = 3V	-	65	-	dB
Transient Response	ΔVOUT	ILOAD: 0mA to 500mA	-	±30	-	mV

Instructions for LM27951SD/NOPB:

1. Input Capacitor (CIN):

   • Place a 1μF ceramic capacitor close to the input pin for stability and transient response.

2. Output Capacitor (COUT):

   • Use a 1μF ceramic capacitor on the output for proper operation. Ensure it has low ESR to maintain stability.

3. Thermal Considerations:

   • The device is designed to operate in environments up to 85°C. Ensure adequate heat dissipation if operating near maximum load conditions.

4. PCB Layout:

   • Keep the layout compact with short traces to minimize noise and improve performance.
   • Ground planes should be used to reduce noise and provide a solid return path for currents.

5. Operating Temperature Range:

   • The device operates reliably from -40°C to +85°C.

6. Handling Precautions:

   • This device is sensitive to electrostatic discharge (ESD). Handle with care and follow standard ESD precautions.

7. Storage:

   • Store in original packaging until ready for use to protect against moisture damage. Follow recommended storage guidelines provided by the manufacturer.

(For reference only)