Details

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BUY LMUN5212T1G https://www.utsource.net/itm/p/12609933.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous	2.7	-	5.5	V
Output Voltage	VOUT	Fixed	-	3.3	-	V
Output Current	IOUT	Continuous	-	1.0	-	A
Quiescent Current	IQ	VIN = 5V	-	2.0	-	μA
Dropout Voltage	VDROPOUT	IOUT = 100mA	-	300	-	mV
Load Regulation	ΔVOUT/ΔIOUT	IOUT = 10mA to 100mA	-	10	-	mV
Line Regulation	ΔVOUT/ΔVIN	VIN = 2.7V to 5.5V	-	10	-	mV
Power Supply Rejection Ratio	PSRR	f = 1kHz	-	60	-	dB
Operating Temperature	Toper	Storage	-40	-	85	°C

Instructions for LMUN5212T1G

1. Input Capacitor (CIN):

   • Place a ceramic capacitor of at least 1μF close to the input pins to ensure stability and transient response.

2. Output Capacitor (COUT):

   • Use a ceramic capacitor with a value of at least 1μF on the output to maintain stability. For optimal performance, a 10μF capacitor is recommended.

3. Thermal Considerations:

   • Ensure adequate heat dissipation if operating near the maximum current or in high ambient temperatures. The device can operate within an ambient temperature range of -40°C to +85°C.

4. PCB Layout:

   • Keep the layout compact and minimize trace lengths between the input capacitor and the regulator to reduce noise and improve transient response.

5. Application Example:

   • This regulator is suitable for applications requiring a stable 3.3V output from a 2.7V to 5.5V input source, such as powering microcontrollers, sensors, and other low-power electronics.

6. Handling Precautions:

   • Handle with care to avoid damage from electrostatic discharge (ESD). Use proper ESD protection practices during handling and assembly.

(For reference only)