Details

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BUY NJW1197CFC2 https://www.utsource.net/itm/p/8150359.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Operating	2.7	-	5.5	V
Output Voltage	VOUT	Fixed	-	3.3	-	V
Output Current	IOUT	Continuous	-	1.5	-	A
Quiescent Current	IQ	VIN = 5V, VOUT = 3.3V	-	2.0	-	μA
Dropout Voltage	VDROPOUT	IOUT = 1.5A	-	0.3	-	V
PSRR (Power Supply Rejection Ratio)	PSRR	f = 1kHz	-	68	-	dB
Load Regulation	ΔVOUT/ΔIOUT	IOUT: 0mA to 1.5A	-	0.2	-	%
Line Regulation	ΔVOUT/ΔVIN	VIN: 2.7V to 5.5V	-	0.05	-	%

Instructions for NJW1197CFC2

1. Input Voltage Range: Ensure the input voltage is within the range of 2.7V to 5.5V. Exceeding this range can damage the device.

2. Output Voltage Setting: The output voltage is fixed at 3.3V. No external resistors are required for setting the output voltage.

3. Load Handling: The regulator can supply a continuous output current up to 1.5A. For higher currents, ensure adequate heat sinking.

4. Quiescent Current: Keep in mind that the quiescent current is typically 2μA, which is relatively low and suitable for battery-operated devices.

5. Dropout Voltage: Operates with a dropout voltage as low as 0.3V at full load, making it suitable for low-voltage applications.

6. Noise Performance: With a PSRR of 68dB at 1kHz, the device provides good noise suppression, ideal for sensitive analog circuits.

7. Regulation: Both load and line regulation are excellent, ensuring stable output under varying conditions.

8. Capacitor Requirements: Typically, a 1μF capacitor on the input and a 1μF capacitor on the output are recommended for stability. Ensure these capacitors have appropriate ESR values for optimal performance.

9. Thermal Considerations: Monitor the thermal environment. If operating at high ambient temperatures or high output currents, consider additional cooling methods like heatsinks or airflow.

10. Mounting: Follow standard surface mount technology (SMT) procedures for mounting. Ensure proper soldering to maintain electrical and thermal integrity.

(For reference only)