Details

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BUY NCP1403SNT1G https://www.utsource.net/itm/p/6372411.html
15 V/50 mA PFM Step−Up DC−DC Converter

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous	2.7	-	5.5	V
Output Voltage	VOUT	Fixed	-	3.3	-	V
Output Current	IOUT	Continuous	-	250	-	mA
Quiescent Current	IQ	VIN = 5V	-	60	-	渭A
Dropout Voltage	VDROPOUT	IOUT = 100mA	-	300	-	mV
PSRR at 1kHz			-	70	-	dB
Operating Temperature	TOPR	Storage	-40	-	85	掳C

Instructions for NCP1403SNT1G:

1. Power Supply Connection:

   • Connect the input voltage (VIN) to the power supply, ensuring it is within the range of 2.7V to 5.5V.
   • Ensure the output voltage (VOUT) is connected to the load requiring a stable 3.3V.

2. Capacitor Requirements:

   • Place a ceramic capacitor (typically 1渭F) close to the input pin for stability and noise reduction.
   • Use a similar capacitor on the output side to maintain regulation and transient response.

3. Thermal Considerations:

   • The device should be placed on a PCB with adequate copper area to dissipate heat, especially under high current conditions.
   • Ensure that the operating temperature does not exceed 85掳C.

4. PCB Layout:

   • Keep the traces short and wide to minimize inductance and resistance.
   • Ensure proper grounding and shielding to avoid interference.

5. Handling Precautions:

   • This component is sensitive to electrostatic discharge (ESD); handle with appropriate ESD precautions.
   • Avoid exposing the device to environments beyond its specified operating conditions.

6. Testing:

   • Before deploying in a final application, test the regulator under various load conditions to ensure it meets performance requirements.
   • Verify the dropout voltage and quiescent current to confirm efficiency and stability.

(For reference only)