Details

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BUY MC33911BAC https://www.utsource.net/itm/p/12615130.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Operating range	3.0	-	5.5	V
Output Voltage	VOUT	Regulation range	0.8	-	5.0	V
Quiescent Current	IQ	VIN = 5V, IOUT = 0mA	-	25	-	μA
Dropout Voltage	VD	IOUT = 100mA	-	300	-	mV
Load Regulation	δVL	IOUT = 1mA to 100mA	-	2	-	mV
Line Regulation	δVL	VIN = 4.5V to 5.5V	-	2	-	mV
Power Supply Rejection Ratio	PSRR	f = 120Hz	-	70	-	dB
Thermal Shutdown	TSD	Activation threshold	-	160	-	°C

Instructions for MC33911BAC

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the power supply within the specified operating range (3.0V to 5.5V).
   • Ensure a stable and clean power supply to minimize noise.

2. Output Configuration:

   • Set the output voltage (VOUT) using external resistors if adjustable. Refer to the datasheet for specific resistor values.
   • For fixed output versions, no external components are required for setting VOUT.

3. Capacitor Requirements:

   • Place a 1μF ceramic capacitor between VIN and GND close to the device for stability.
   • A 1μF capacitor is also recommended between VOUT and GND for load regulation.

4. Thermal Considerations:

   • Ensure adequate heat dissipation, especially under high current conditions.
   • Monitor the thermal shutdown threshold (TSD) to avoid overheating.

5. Protection Features:

   • The device includes internal protection against overcurrent and thermal overload.
   • No external protection diodes are typically required unless specified by system design requirements.

6. Application Notes:

   • Review application notes for detailed information on optimizing performance in various circuit configurations.
   • Pay attention to PCB layout guidelines to ensure optimal performance and reliability.

For more detailed specifications and application circuits, refer to the official datasheet of the MC33911BAC.

(For reference only)