Details

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BUY UPC1251C https://www.utsource.net/itm/p/12609611.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN		2.7		5.5	V
Output Voltage	VOUT			3.3		V
Quiescent Current	IQ	VIN = 5V, No Load		1		渭A
Output Current	IOUT	Continuous		250		mA
Dropout Voltage	VDROPOUT	IOUT = 100mA		300		mV
Power Supply Rejection Ratio	PSRR	f = 1kHz		70		dB
Operating Temperature	TOPR		-40		85	掳C

Instructions for UPC1251C:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 2.7V to 5.5V. Exceeding this range can damage the device.

2. Output Voltage (VOUT):

   • The output voltage is typically set at 3.3V. Verify the output meets your application requirements.

3. Quiescent Current (IQ):

   • At no load and an input voltage of 5V, the quiescent current should be around 1渭A. This parameter is important for low-power applications.

4. Output Current (IOUT):

   • The device can provide a continuous output current of up to 250mA. Ensure that the load does not exceed this limit.

5. Dropout Voltage (VDROPOUT):

   • When delivering 100mA, the dropout voltage is typically 300mV. Keep this in mind when designing circuits with tight voltage margins.

6. Power Supply Rejection Ratio (PSRR):

   • The PSRR at 1kHz is typically 70dB, indicating good suppression of ripple from the input supply.

7. Operating Temperature (TOPR):

   • Operate the device within the temperature range of -40掳C to +85掳C to ensure reliable performance.

8. Installation:

   • Place the component on a PCB with adequate heat dissipation if it will handle higher currents or operate in high ambient temperatures.

9. Testing:

   • After installation, test the output voltage and current under expected load conditions to ensure proper operation.

(For reference only)