Details

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Parameter	Conditions	Min	Typ	Max	Unit
Input Voltage Range		1.25		40	V
Output Voltage Range		1.25		38.5	V
Output Current			1.5		A
Quiescent Current	No load		2.6		mA
Dropout Voltage	Iout = 1A		1.7		V
Switching Frequency			65		kHz
Efficiency	Vout = 5V, Iout = 1A		85		%
Operating Temperature	Junction	-40		125	°C

Instructions for LT1070CT:

1. Input Capacitor Selection:

   • Use a capacitor of at least 0.1 μF close to the input pin to ensure stability and reduce noise.

2. Output Capacitor Selection:

   • Choose an output capacitor based on the desired output ripple. Typically, a value between 10 μF to 100 μF is suitable.

3. Inductor Selection:

   • Select an inductor that can handle the peak current without saturating. The inductance value should be chosen to provide stable operation within the switching frequency range.

4. Feedback Network:

   • Connect a feedback resistor network between the output and the feedback pin to set the output voltage. Refer to the datasheet for specific resistor values based on the required output voltage.

5. Thermal Considerations:

   • Ensure adequate heat sinking if operating at high currents or in high ambient temperatures to prevent overheating.

6. Layout Recommendations:

   • Keep the layout compact with short traces, especially for high-frequency paths, to minimize parasitic inductance and improve efficiency.

7. Power-Up Sequence:

   • Ensure a clean power-up sequence by avoiding rapid changes in input voltage which could lead to transient issues.

8. Protection Circuits:

   • Incorporate protection circuits such as overcurrent and overvoltage protection as needed to safeguard the device and connected components.

Note: For detailed specifications and more precise instructions, refer to the official Linear Technology (now part of Analog Devices) datasheet for the LT1070CT.

(For reference only)