Details

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BUY NCP1651DR2 https://www.utsource.net/itm/p/12534802.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Input Voltage	VIN	2.7	-	5.5	V	Operating input voltage range
Output Voltage	VOUT	-	1.8	-	V	Fixed output voltage
Quiescent Current	IQ	-	60	-	μA	Supply current in regulation (VIN = 3.3V, ILOAD = 50mA)
Dropout Voltage	VDROPOUT	-	200	-	mV	Typical dropout voltage at ILOAD = 150mA
Load Regulation		-	0.5	-	%	Change in output voltage from 0 to 150mA load
Line Regulation		-	0.5	-	%	Change in output voltage for a change in input voltage
Power Supply Rejection Ratio	PSRR	-	60	-	dB	At 1kHz
Operating Junction Temperature	TJ	-40	-	125	°C	Operating temperature range

Instructions for NCP1651DR2

1. Input Voltage Connection:

   • Connect the input voltage between 2.7V and 5.5V to the VIN pin. Ensure the input voltage is stable and within the specified range.

2. Output Capacitor:

   • Place a minimum of a 1μF ceramic capacitor close to the VOUT pin for stability. Larger capacitors can be used for better transient response.

3. Ground Connection:

   • Ensure a solid ground connection for both the input and output circuits to maintain performance and stability.

4. Thermal Considerations:

   • The device is designed to operate within a junction temperature range of -40°C to 125°C. Ensure adequate heat dissipation if operating near the upper limit.

5. Load Regulation:

   • The device maintains output voltage regulation within 0.5% from no load to full load conditions.

6. Line Regulation:

   • The output voltage changes by less than 0.5% over the entire input voltage range.

7. Power Supply Rejection Ratio (PSRR):

   • The device provides a PSRR of 60dB at 1kHz, effectively reducing ripple and noise from the input supply.

8. Dropout Operation:

   • The regulator can operate with a very low dropout voltage of 200mV, making it suitable for low-voltage applications where headroom is limited.

9. Quiescent Current:

   • The quiescent current is typically 60μA, ensuring efficient operation even under light loads.

Ensure all connections are secure and within specified limits to achieve optimal performance.

(For reference only)