Details

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BUY STK412-770E https://www.utsource.net/itm/p/12620527.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	V_IN	Operating	4.5		40	V
Output Voltage	V_OUT	Fixed		12		V
Output Current	I_OUT	Continuous			2	A
Efficiency	畏	At nominal conditions		85		%
Switching Frequency	f_SW			65		kHz
Quiescent Current	I_Q	No load		2		mA
Dropout Voltage	V_DO	I_OUT = 1A		1.2		V
Thermal Shutdown	T_SD			160		掳C
Operating Temperature	T_OP		-40		85	掳C
Storage Temperature	T_STG		-40		125	掳C

Instructions for STK412-770E:

1. Input Voltage (V_IN):

   • Ensure the input voltage is within the specified range of 4.5V to 40V.

2. Output Voltage (V_OUT):

   • The device provides a fixed output voltage of 12V. Verify that this matches your application requirements.

3. Output Current (I_OUT):

   • The maximum continuous output current is 2A. Design your circuit to not exceed this limit under normal operating conditions.

4. Efficiency (畏):

   • The efficiency at nominal conditions is approximately 85%. Consider this in power budget calculations.

5. Switching Frequency (f_SW):

   • Operates at a typical switching frequency of 65kHz. This impacts the selection of external components like inductors and capacitors.

6. Quiescent Current (I_Q):

   • The quiescent current is typically 2mA when there is no load. Factor this into standby power consumption considerations.

7. Dropout Voltage (V_DO):

   • At an output current of 1A, the dropout voltage is about 1.2V. Ensure sufficient headroom between input and output voltages.

8. Thermal Shutdown (T_SD):

   • The device will shut down if the temperature exceeds 160掳C. Implement proper heat dissipation measures.

9. Operating Temperature (T_OP):

   • The operating temperature range is from -40掳C to 85掳C. Ensure environmental conditions are within these limits.

10. Storage Temperature (T_STG):

    • Store the device in temperatures ranging from -40掳C to 125掳C to prevent damage.

For detailed specifications and additional information, refer to the official datasheet provided by the manufacturer.

(For reference only)