Details

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BUY LT1129IS8#TR https://www.utsource.net/itm/p/12604281.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	VIN		2.5		40	V
Output Voltage	VOUT		1.23		37	V
Quiescent Current	IQ	VIN = 5V, VOUT = 3.3V, IOUT = 0mA		60		渭A
Dropout Voltage	VDROPOUT	IOUT = 10mA		0.4		V
Load Regulation		IOUT: 0mA to 150mA		0.01		%
Line Regulation		VIN: 4.5V to 40V		0.01		%
PSRR (Power Supply Rejection Ratio)	PSRR	f = 120Hz		80		dB
Transient Response						V/us
Operating Temperature			-40		125	掳C

Instructions for LT1129IS8#TR:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 2.5V to 40V.

2. Output Voltage (VOUT):

   • Set the desired output voltage using external resistors. The output voltage can be adjusted from 1.23V to 37V.

3. Quiescent Current (IQ):

   • Keep in mind that the quiescent current is typically 60渭A at an input voltage of 5V and an output voltage of 3.3V with no load.

4. Dropout Voltage (VDROPOUT):

   • The dropout voltage is typically 0.4V at a load current of 10mA. This ensures efficient operation even at low input-to-output differentials.

5. Load Regulation:

   • The load regulation is typically 0.01% from 0mA to 150mA, ensuring stable output voltage under varying load conditions.

6. Line Regulation:

   • The line regulation is typically 0.01% for input voltages ranging from 4.5V to 40V, maintaining output stability over a wide range of input voltages.

7. Power Supply Rejection Ratio (PSRR):

   • At 120Hz, the PSRR is typically 80dB, effectively rejecting ripple and noise from the input supply.

8. Transient Response:

   • The transient response should be considered for applications where rapid changes in load current occur.

9. Operating Temperature:

   • Operate the device within the temperature range of -40掳C to 125掳C to ensure reliable performance.

For detailed design considerations and specific application circuits, refer to the datasheet provided by the manufacturer.

(For reference only)