Details

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BUY MIC5253-1.8YC5-TR https://www.utsource.net/itm/p/7487354.html
Linear Voltage Regulator IC Positive Fixed 1 Output 1.8V 100mA SC-70-5

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	V_IN	Operating Range	2.7		5.5	V
Output Voltage	V_OUT	Fixed		1.8		V
Quiescent Current	IQ	VIN = 3.6V, VOUT = 1.8V		0.04		mA
Shutdown Current	ISD	VIN = 3.6V		0.01		μA
Dropout Voltage	VDROPOUT	IOUT = 100mA		0.25		V
Load Regulation		1mA to 100mA		0.5		%
Line Regulation		VIN = 2.7V to 5.5V		0.1		%
PSRR at 1kHz				65		dB
Transient Response		1mA to 100mA step				±mV

Instructions for MIC5253-1.8YC5-TR:

1. Power Supply Connections:

   • Connect the input voltage (VIN) between the IN pin and GND.
   • Ensure the input voltage is within the operating range of 2.7V to 5.5V.

2. Output Configuration:

   • The output voltage (VOUT) is fixed at 1.8V. Connect the OUT pin to the load through appropriate wiring.

3. Capacitors:

   • Place a ceramic capacitor (typically 1μF) close to the IN pin for stability.
   • A ceramic capacitor (typically 1μF) should also be placed close to the OUT pin.

4. Shutdown Functionality:

   • The SHDN pin can be used to place the device in a low-power shutdown mode by pulling it low. Pulling it high or leaving it floating keeps the regulator active.

5. Thermal Considerations:

   • Ensure adequate heat dissipation if operating at higher currents or in environments with elevated temperatures.

6. PCB Layout:

   • Keep the PCB traces short and wide to minimize parasitic inductance and resistance.
   • Use ground planes to improve thermal performance and reduce noise.

7. Operating Temperature:

   • The device is designed to operate within the temperature range of -40°C to +85°C.

8. Package Type:

   • This part comes in a SOT-23-5 package, which is compact and suitable for surface-mount applications.

For detailed design considerations and application circuits, refer to the datasheet provided by the manufacturer.

(For reference only)