Details

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BUY NJM3770AD3 https://www.utsource.net/itm/p/12590996.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating Range	2.0	-	5.5	V
Supply Current	ICC	No Load	-	1.5	-	mA
Output Voltage Range	Vout	Vcc = 5V	1.24	-	3.6	V
Output Current	Iout	Continuous	-	150	-	mA
Dropout Voltage	Vdo	Iout = 150mA	-	0.5	-	V
Quiescent Current	IQ	Vcc = 5V	-	1.5	-	mA
Ripple Rejection	RRR	1kHz	-	70	-	dB
Thermal Shutdown	TSD	-	-	150	-	°C
Protection	-	Short-Circuit	-	-	-	-

Instructions for Use:

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the operating range of 2.0V to 5.5V.
   • Connect a bypass capacitor (0.1μF) close to the input pin to stabilize the power supply.

2. Output Configuration:

   • The output voltage (Vout) can be adjusted using external resistors. Refer to the datasheet for specific resistor values.
   • For fixed output voltages, use the appropriate version of the NJM3770AD3.

3. Thermal Considerations:

   • The device has thermal shutdown protection to prevent damage from overheating. However, ensure adequate heat dissipation for continuous operation at high output currents.
   • Place the device on a heatsink or use a PCB with good thermal conductivity if operating at high currents.

4. Protection Circuits:

   • The NJM3770AD3 includes short-circuit protection. In case of a short circuit, the output current will be limited to protect the device.
   • Do not exceed the maximum output current rating of 150mA to avoid damaging the device.

5. Ripple Rejection:

   • The device provides good ripple rejection, typically 70dB at 1kHz. This helps in maintaining a clean output voltage even when the input voltage has ripple.

6. Stability:

   • The NJM3770AD3 is stable with ceramic capacitors. Use a 1μF ceramic capacitor on the output for stability and to filter out noise.

7. Storage and Handling:

   • Store the device in a dry, cool place to prevent moisture damage.
   • Handle the device with care to avoid static damage. Use proper ESD protection measures.

8. Mounting:

   • Solder the device onto the PCB following the recommended footprint and soldering profile provided in the datasheet.
   • Ensure all connections are secure and free of shorts or cold solder joints.

For detailed specifications and additional information, refer to the official NJM3770AD3 datasheet.

(For reference only)