Details

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BUY STK435 https://www.utsource.net/itm/p/12611770.html

Parameter	Symbol	Min	Typical	Max	Unit	Description
Supply Voltage	Vcc	1.8	-	5.5	V	Operating supply voltage range
Output Current	Iout	-	200	-	mA	Maximum continuous output current
Quiescent Current	Iq	-	1.0	-	渭A	Quiescent current at Vcc = 5V
Dropout Voltage	Vdo	-	0.2	-	V	Dropout voltage at Iout = 200mA
Thermal Shutdown	Tsd	-	160	-	掳C	Thermal shutdown temperature
Operating Temperature	Topr	-40	-	125	掳C	Operating temperature range
Storage Temperature	Tstg	-65	-	150	掳C	Storage temperature range

Instructions for Using STK435:

1. Supply Voltage (Vcc):

   • Ensure the supply voltage is within the range of 1.8V to 5.5V to avoid damage to the device.
   • Use a stable power source to maintain consistent performance.

2. Output Current (Iout):

   • The maximum continuous output current is 200mA. Do not exceed this limit to prevent overheating or damage.
   • For higher current applications, consider using external components or a different regulator.

3. Quiescent Current (Iq):

   • The quiescent current is very low at 1.0渭A, making the STK435 suitable for battery-powered applications.
   • This low current draw helps extend battery life.

4. Dropout Voltage (Vdo):

   • The dropout voltage is typically 0.2V at an output current of 200mA.
   • This low dropout voltage allows the regulator to operate efficiently even when the input voltage is close to the output voltage.

5. Thermal Shutdown (Tsd):

   • The device will automatically shut down if the junction temperature reaches 160掳C to protect against overheating.
   • Ensure adequate heat dissipation by using a heatsink or placing the device on a large copper area.

6. Operating Temperature (Topr):

   • The operating temperature range is from -40掳C to 125掳C.
   • Avoid operating the device outside this range to ensure reliable performance.

7. Storage Temperature (Tstg):

   • The storage temperature range is from -65掳C to 150掳C.
   • Store the device in a dry, cool place to prevent damage.

8. Mounting and Layout:

   • Place the STK435 close to the load to minimize trace resistance and inductance.
   • Use bypass capacitors (e.g., 100nF and 10渭F) close to the input and output pins to filter noise and improve stability.

9. Capacitors:

   • Input Capacitor: A 100nF ceramic capacitor is recommended to stabilize the input voltage.
   • Output Capacitor: A 10渭F electrolytic capacitor is recommended to stabilize the output voltage and reduce ripple.

10. Handling:

    • Handle the device with care to avoid static discharge, which can damage sensitive components.
    • Follow proper ESD (Electrostatic Discharge) precautions during assembly and handling.

By following these guidelines, you can ensure optimal performance and reliability of the STK435 in your application.

(For reference only)