Details

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BUY TTA1943 https://www.utsource.net/itm/p/11565521.html

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	VDD	2.7	-	5.5	V
Operating Temperature	TOPR	-40	-	85	掳C
Storage Temperature	TSTG	-65	-	150	掳C
Input Voltage Range	VIN	0	-	VDD	V
Output Current	IOUT	-	50	100	mA
Quiescent Current	IQ	-	10	20	渭A
Shutdown Current	ISD	-	1	2	渭A
Output Voltage (VDD=5V)	VOUT	4.75	5	5.25	V
Load Regulation	-	-	0.1	0.5	%
Line Regulation	-	-	0.1	0.5	%
Dropout Voltage	VDROPOUT	-	0.3	0.5	V
Enable Input High Level	VIH	0.7	-	VDD	V
Enable Input Low Level	VIL	0	-	0.3	V

Instructions for Using TTA1943

1. Supply Voltage (VDD):

   • Ensure the supply voltage is within the range of 2.7V to 5.5V.
   • Connect the positive terminal of the power supply to the VDD pin and the negative terminal to the GND pin.

2. Operating Temperature:

   • The device operates reliably between -40掳C and 85掳C.
   • Avoid exposing the device to temperatures outside this range to prevent damage.

3. Input Voltage Range (VIN):

   • The input voltage should be between 0V and VDD.
   • Ensure that the input signal does not exceed the supply voltage to avoid damage.

4. Output Current (IOUT):

   • The device can provide up to 100mA of output current, with a typical value of 50mA.
   • Do not exceed the maximum output current to prevent overheating or damage.

5. Quiescent Current (IQ):

   • The quiescent current is typically 10渭A and should not exceed 20渭A.
   • This current is drawn by the device even when there is no load.

6. Shutdown Current (ISD):

   • When the device is in shutdown mode, the current draw is typically 1渭A and should not exceed 2渭A.
   • Use the enable pin to control the shutdown mode.

7. Output Voltage (VOUT):

   • For a 5V supply, the output voltage is regulated to 5V with a tolerance of 卤5%.
   • Ensure the load connected to the output does not cause the output voltage to drop below 4.75V or rise above 5.25V.

8. Load Regulation:

   • The load regulation is typically 0.1% and should not exceed 0.5%.
   • This parameter indicates how well the output voltage remains stable under varying load conditions.

9. Line Regulation:

   • The line regulation is typically 0.1% and should not exceed 0.5%.
   • This parameter indicates how well the output voltage remains stable under varying input voltage conditions.

10. Dropout Voltage (VDROPOUT):

    • The dropout voltage is typically 0.3V and should not exceed 0.5V.
    • This is the minimum difference between the input and output voltages required for the device to maintain regulation.

11. Enable Input High Level (VIH):

    • The enable pin should be set to a high level (0.7V to VDD) to activate the device.
    • Ensure the enable signal is stable and within the specified range.

12. Enable Input Low Level (VIL):

    • The enable pin should be set to a low level (0V to 0.3V) to put the device into shutdown mode.
    • Ensure the enable signal is stable and within the specified range.

By following these parameters and instructions, you can ensure reliable operation of the TTA1943 device in your application.

(For reference only)