Details

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BUY DTA143ZE https://www.utsource.net/itm/p/7318254.html
DTA143ZE PNP Bipolar Digital Transistor (BRT) -50V -100mA/-0.1A 0.15W/150mW SOT-523/EMT3 marking E13 switch inverter interface driver circuit

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc	Operating	4.5	5	5.5	V
Standby Current	Icc	Vcc = 5V	-	10	-	μA
Operating Current	Iop		-	200	-	mA
Output Frequency	fOUT		-	38	-	kHz
Duty Cycle	DC		45	50	55	%
Modulation Depth	MD		0	-	100	%

Instructions for DTA143ZE:

1. Power Supply Connection:

   • Connect the Vcc pin to a stable 5V power supply.
   • Ensure the power supply can provide at least 200mA to meet the operating current requirements.

2. Ground Connection:

   • Connect the GND pin to the common ground of the system.

3. Output Configuration:

   • The output frequency is set to 38kHz, suitable for most IR remote control applications.
   • Adjust the duty cycle as needed within the range of 45% to 55%.

4. Modulation Input:

   • Apply the modulation signal to the input pin. The modulation depth can vary from 0% to 100% depending on the application needs.

5. Standby Mode:

   • To minimize power consumption, the device draws only about 10μA in standby mode. Ensure that the standby mode is properly managed in the circuit design.

6. Handling Precautions:

   • Avoid exposing the component to voltages outside the specified operating range to prevent damage.
   • Use appropriate decoupling capacitors near the power supply pins to ensure stable operation.

7. Environmental Considerations:

   • Operate the device within recommended temperature and humidity ranges to maintain performance and reliability.

For detailed specifications and additional information, refer to the manufacturer's datasheet.

(For reference only)