Details

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BUY TF11N70 https://www.utsource.net/itm/p/11303218.html

Parameter	Symbol	Value	Unit	Conditions/Notes
Input Voltage	VIN	4.5 to 28	V	Operating input voltage range
Output Voltage	VOUT	1.8, 2.5, 3.3	V	Fixed output voltages available
Output Current	IOUT	1	A	Maximum continuous output current
Quiescent Current	IQ	30	μA	Quiescent current at no load
Dropout Voltage	VDROPOUT	0.6	V	Dropout voltage at IOUT = 500mA
PSRR (1kHz)	PSRR	70	dB	Power supply rejection ratio
Operating Temp.	Toper	-40 to +85	°C	Temperature range for operation
Storage Temp.	Tstg	-55 to +150	°C	Temperature range for storage

Instructions:

1. Power Supply Connection: Ensure the input voltage is within the specified operating range of 4.5V to 28V.
2. Output Configuration: Choose the appropriate fixed output voltage option (1.8V, 2.5V, or 3.3V) based on your application requirements.
3. Current Limitation: The device can provide up to 1A of continuous output current. Design your circuit to ensure this limit is not exceeded.
4. Thermal Management: Operate within the specified temperature range (-40°C to +85°C). For extended storage, keep within -55°C to +150°C.
5. Noise Reduction: To minimize noise, place a 1μF capacitor close to the input and output pins.
6. PSRR Consideration: The power supply rejection ratio of 70dB at 1kHz helps in filtering out ripple and noise from the input supply.
7. Dropout Voltage: At higher output currents, consider the dropout voltage to avoid undervoltage situations.

Ensure all connections are secure and double-check polarity before powering the device to prevent damage.

(For reference only)