Details

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BUY LT1170CT https://www.utsource.net/itm/p/7672044.html
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Parameter	Conditions	Min	Typ	Max	Unit
Input Voltage Range	Continuous	2.5		40	V
Output Voltage Range	Adjustable	1.2		37.5	V
Quiescent Current	IOUT = 0mA, VIN = 12V		4		mA
Dropout Voltage	IOUT = 500mA		0.6		V
Maximum Output Current	Short-Circuit and Thermal Shutdown		1.5		A
Power Dissipation	TA = 25°C		1.1		W/°C
Operating Temperature	Commercial Grade	0		70	°C
Operating Temperature	Industrial Grade	-40		85	°C

Instructions for LT1170CT:

1. Input Voltage Setup:

   • Ensure the input voltage is within the range of 2.5V to 40V. Exceeding this range can damage the device.

2. Output Voltage Configuration:

   • For adjustable output voltage, use an external resistor network to set the desired output voltage between 1.2V and 37.5V.

3. Thermal Considerations:

   • The power dissipation should be managed carefully, especially in applications where the ambient temperature exceeds 25°C. Use appropriate heat sinking if necessary.

4. Current Limiting:

   • The maximum output current is up to 1.5A. Be aware that exceeding this limit may cause thermal shutdown or damage.

5. Temperature Range:

   • Choose the appropriate grade (Commercial or Industrial) based on the operating temperature requirements of your application.

6. Quiescent Current Management:

   • Keep quiescent current in mind when designing low-power systems, as it affects overall efficiency.

7. Dropout Voltage Awareness:

   • The dropout voltage is approximately 0.6V at 500mA load. Design the system to accommodate this voltage drop to ensure stable operation.

8. Short-Circuit Protection:

   • The device includes short-circuit protection which will trigger thermal shutdown to prevent damage under fault conditions.

9. Capacitor Selection:

   • Select input and output capacitors according to the datasheet recommendations to ensure stability and proper transient response.

(For reference only)