Details

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BUY STV2248 https://www.utsource.net/itm/p/1006267.html
Zener Diodes

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VDD	2.7		5.5	V	Operating supply voltage range
Input Voltage Range	VIN	-0.3		VDD+0.3	V	Input voltage range relative to VDD
Output Voltage Range	VOUT	0		VDD-1.2	V	Output voltage range relative to VDD
Quiescent Current	IQ		40		渭A	Typical quiescent current at VDD=5V, TA=25掳C
Output Current	IOUT		50	100	mA	Continuous output current
Shutdown Current	ISD		1		渭A	Shutdown mode current at VDD=5V
Thermal Shutdown	TSD		160		掳C	Thermal shutdown temperature
Operating Temperature	TOPR	-40		85	掳C	Operating junction temperature range

Instructions for STV2248:

1. Power Supply Connection:

   • Connect the power supply (VDD) within the specified range of 2.7V to 5.5V.
   • Ensure a stable and clean power supply to avoid fluctuations that can affect performance.

2. Input Signal Handling:

   • The input voltage should be within -0.3V to VDD + 0.3V to prevent damage or erratic behavior.
   • Use appropriate signal conditioning circuits if necessary to meet input requirements.

3. Output Load Management:

   • Ensure the load connected to the output does not exceed the maximum continuous output current of 100mA.
   • For higher currents, consider using external drivers or transistors.

4. Thermal Considerations:

   • Monitor the operating temperature to ensure it stays within the -40掳C to 85掳C range.
   • Provide adequate heat sinking if operating near the upper temperature limit.

5. Shutdown Mode:

   • Utilize the shutdown feature by pulling the shutdown pin low to reduce power consumption in standby mode.
   • In shutdown mode, the device draws minimal current (<1渭A).

6. Protection Mechanisms:

   • The device includes thermal shutdown protection which activates at approximately 160掳C.
   • Avoid prolonged operation at high temperatures to prevent triggering this protection mechanism.

7. Layout Recommendations:

   • Place decoupling capacitors close to the power pins to minimize noise and improve stability.
   • Follow recommended PCB layout guidelines provided by the manufacturer for optimal performance.

For detailed specifications and additional information, refer to the official STV2248 datasheet from STMicroelectronics.

(For reference only)