MC33937APEK: Top Choice in United States (USA) Utsource Holding Company Limited

Description

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Operating	3.0	-	5.5	V
Output Voltage	VOUT	Regulated	1.2	-	5.0	V
Dropout Voltage	VDROPOUT	IOUT = 100mA	-	0.4	-	V
Quiescent Current	IQ	VIN = 5V, No Load	-	60	-	μA
Shutdown Current	ISD	VIN = 5V, SHDN Low	-	0.1	-	μA
Load Regulation	ΔVOUT/ΔILOAD	IOUT = 100mA to 500mA	-	0.5	-	%
Line Regulation	ΔVOUT/ΔVIN	VIN = 3V to 5.5V	-	0.1	-	%
Ripple Rejection	RR	120Hz	-	70	-	dB
Operating Junction Temperature	TJOP	Continuous	-40	-	125	°C

Power Supply Connection:
- Connect the input voltage (VIN) within the specified range of 3.0V to 5.5V.
- Ensure a stable power supply to avoid fluctuations.
Output Configuration:
- Set the output voltage (VOUT) as required between 1.2V and 5.0V using external resistors or preset configurations.
- Verify the output voltage with a multimeter before connecting any load.
Grounding:
- Ensure a common ground connection between the input, output, and any external circuits.
Capacitors:
- Place an input capacitor (typically 1μF ceramic) close to the VIN pin.
- Use an output capacitor (typically 1μF ceramic) near the VOUT pin to stabilize the output.
Shutdown Feature:
- To disable the regulator, pull the shutdown pin (SHDN) low. This reduces the current consumption significantly.
- For normal operation, keep the SHDN pin high or floating.
Thermal Considerations:
- Operate within the junction temperature range (-40°C to 125°C).
- If operating at higher currents or in high ambient temperatures, ensure adequate heat dissipation.
PCB Layout:
- Keep traces short and wide for power and ground connections to minimize inductance and resistance.
- Ensure proper thermal vias are placed under the IC for efficient heat transfer.
Handling:
- Handle with care to prevent electrostatic discharge (ESD) damage.
- Follow standard anti-static precautions during assembly and handling.

(For reference only)