Details

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BUY LT1308ACS8 https://www.utsource.net/itm/p/8596919.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN	Continuous	3		40	V
Output Voltage	VOUT			1.24		V
Quiescent Current	IQ	VIN = 5V		75		μA
Shutdown Current	ISD	VIN = 5V, SHDN=0V		1		μA
Output Current	IOUT			15		mA
Reference Voltage	VREF			1.24		V
Dropout Voltage	VDROPOUT	IOUT = 15mA		1.5		V
PSRR (Power Supply Rejection Ratio)	PSRR	f = 120Hz		80		dB
Load Regulation		IOUT = 0 to 15mA		0.01		%
Line Regulation		VIN = 4.5 to 40V		0.01		%

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 3V to 40V.

2. Output Voltage (VOUT):

   • The output voltage is typically set at 1.24V. Adjust external resistors if a different output voltage is required.

3. Quiescent Current (IQ):

   • Keep in mind that the quiescent current is 75μA at 5V input voltage.

4. Shutdown Mode:

   • To put the device into shutdown mode, pull the SHDN pin to ground. This reduces the current consumption to about 1μA.

5. Output Current (IOUT):

   • The device can supply up to 15mA of output current.

6. Reference Voltage (VREF):

   • The internal reference voltage is 1.24V and is used for setting the output voltage with external resistors.

7. Dropout Voltage:

   • The dropout voltage is 1.5V at full load (15mA).

8. PSRR (Power Supply Rejection Ratio):

   • The device has a PSRR of 80dB at 120Hz, which helps in filtering out noise from the power supply.

9. Load and Line Regulation:

   • Both load and line regulation are very tight at 0.01%, ensuring stable output voltage under varying conditions.

Ensure all connections are secure and within specified limits to avoid damage to the device. For detailed application circuits and more advanced configurations, refer to the datasheet provided by the manufacturer.

(For reference only)