Details

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BUY TLV62569PDDCR https://www.utsource.net/itm/p/12612159.html

Parameter	Symbol	Min	Typical	Max	Unit	Conditions
Input Voltage	VIN	1.8	-	5.5	V	-
Output Voltage	VOUT	-	3.3	-	V	Default setting, adjustable
Quiescent Current	IQ	-	40	-	μA	VIN = 5V, VOUT = 3.3V, IOUT = 0mA
Load Regulation	ΔVOUT/ΔIOUT	-	0.1	-	%	0mA to 500mA
Line Regulation	ΔVOUT/ΔVIN	-	0.01	-	%/V	2.7V to 5.5V
Dropout Voltage	VDROPOUT	-	200	-	mV	IOUT = 500mA, VIN = 3.3V
Output Current	IOUT	-	500	-	mA	Continuous
Shutdown Current	ISD	-	0.1	-	μA	VIN = 5V, SHDN = 0V
Operating Temperature Range	Toperating	-40	-	125	°C	-
Storage Temperature Range	Tstorage	-65	-	150	°C	-

Instructions for Use:

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 1.8V to 5.5V.
   • Connect the input voltage to the VIN pin.

2. Output Voltage (VOUT):

   • The default output voltage is 3.3V, but it can be adjusted using external resistors.
   • Connect the output voltage to the VOUT pin.

3. Quiescent Current (IQ):

   • The quiescent current is typically 40 μA at 5V input and 3.3V output with no load.
   • This value helps in power budgeting for low-power applications.

4. Load Regulation:

   • The load regulation is typically 0.1% from 0mA to 500mA load.
   • This ensures stable output voltage under varying load conditions.

5. Line Regulation:

   • The line regulation is typically 0.01% per volt.
   • This ensures stable output voltage with changes in input voltage.

6. Dropout Voltage (VDROPOUT):

   • The dropout voltage is typically 200mV at 500mA output current and 3.3V input voltage.
   • Ensure that the input voltage is at least 200mV higher than the desired output voltage.

7. Output Current (IOUT):

   • The maximum continuous output current is 500mA.
   • Do not exceed this limit to avoid damaging the device.

8. Shutdown Current (ISD):

   • The shutdown current is typically 0.1 μA when the shutdown pin (SHDN) is pulled low.
   • Use the shutdown feature to reduce power consumption in standby mode.

9. Operating Temperature Range (Toperating):

   • The device operates reliably from -40°C to 125°C.
   • Ensure the operating environment stays within this range.

10. Storage Temperature Range (Tstorage):

    • The device can be stored from -65°C to 150°C.
    • Store the device in a dry and temperature-controlled environment.

Additional Notes:

• Capacitors:

  • Use a 1 μF ceramic capacitor on the input (VIN) and output (VOUT) pins for stability.
  • Place these capacitors as close as possible to the device to minimize parasitic inductance.

• Adjustable Output:

  • To adjust the output voltage, use the feedback (FB) pin and a resistor divider network.
  • The formula for the output voltage is: ( V_ = V_ left(1 + fracright) ), where ( V_ ) is the reference voltage (typically 1.2V).

• Layout Considerations:

  • Ensure proper PCB layout to minimize noise and improve thermal performance.
  • Use wide traces for power paths and ground planes to reduce resistance and inductance.

(For reference only)