Details

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BUY LT1962EMS8#TRPBF https://www.utsource.net/itm/p/12612096.html

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Supply Voltage	VIN	2.7	-	5.5	V	-
Output Voltage	VOUT	-	3.3	-	V	Fixed output voltage
Quiescent Current	IQ	-	20	-	μA	At no load, VIN = 3.3V
Dropout Voltage	VDROP	-	200	-	mV	At IOUT = 500mA, VIN = 3.3V
Output Current	IOUT	-	500	-	mA	Continuous output current
Load Regulation	-	-	0.1	-	%	Over 0 to 500mA
Line Regulation	-	-	0.01	-	%/V	Over 2.7 to 5.5V
PSRR (100Hz)	-	-	74	-	dB	-
PSRR (1kHz)	-	-	64	-	dB	-
Operating Temperature	TOP	-40	-	125	°C	-
Storage Temperature	TSTG	-65	-	150	°C	-
Thermal Resistance (θJA)	-	-	110	-	°C/W	In typical applications

Instructions for Use:

1. Power Supply:

   • Ensure the input voltage (V_IN) is within the range of 2.7V to 5.5V.
   • Use appropriate decoupling capacitors (typically 1μF ceramic) on both the input and output to stabilize the regulator.

2. Output Voltage:

   • The LT1962EMS8#TRPBF has a fixed output voltage of 3.3V. No external resistors are required to set the output voltage.

3. Quiescent Current:

   • The quiescent current is typically 20μA at no load, which helps in minimizing power consumption in low-power applications.

4. Dropout Voltage:

   • The dropout voltage is typically 200mV at a 500mA load. This ensures efficient operation even when the input voltage is close to the output voltage.

5. Output Current:

   • The device can provide up to 500mA of continuous output current. Ensure that the load does not exceed this limit to avoid overheating or damage.

6. Load and Line Regulation:

   • The load regulation is 0.1% over a 0 to 500mA load range, ensuring stable output voltage under varying load conditions.
   • The line regulation is 0.01%/V over a 2.7 to 5.5V input voltage range, maintaining output stability with changes in input voltage.

7. Power Supply Rejection Ratio (PSRR):

   • The PSRR is 74dB at 100Hz and 64dB at 1kHz, indicating good rejection of ripple and noise from the input supply.

8. Thermal Management:

   • The thermal resistance (θ_JA) is 110°C/W. Ensure adequate heat sinking if operating at high currents or in high ambient temperatures to prevent overheating.

9. Operating and Storage Temperature:

   • The device can operate over a temperature range of -40°C to 125°C and can be stored between -65°C and 150°C.

10. PCB Layout:

    • Place the input and output capacitors as close as possible to the regulator to minimize parasitic inductance and improve stability.
    • Use wide traces for power connections to reduce voltage drops and heating.

11. Package Information:

    • The LT1962EMS8#TRPBF is available in an 8-lead MSOP package. Ensure the PCB layout and soldering process are compatible with this package type.

By following these guidelines, you can ensure optimal performance and reliability of the LT1962EMS8#TRPBF in your application.

(For reference only)