Details

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BUY KA556 https://www.utsource.net/itm/p/33950.html
Tantalum Molded High Reliability Capacitor; Capacitance: 4.7uF; Voltage: 6.3V; Packaging: Tape & Reel

Parameter	Symbol	Min	Typical	Max	Unit
Input Voltage	VIN	18	-	350	V
Output Voltage	VOUT	-	5	24	V
Output Current	IOUT	-	1	3	A
Switching Frequency	fSW	50	100	200	kHz
Efficiency	η	-	85	92	%
Standby Current	ISB	-	10	20	μA
Operating Temperature	TOP	-40	-	125	°C
Storage Temperature	TSTG	-40	-	150	°C

Instructions for Using KA556:

1. Power Supply Connection:

   • Connect the input voltage (V_IN) to the appropriate terminal.
   • Ensure the input voltage is within the specified range (18V to 350V).

2. Output Configuration:

   • Set the output voltage (V_OUT) using the external feedback network.
   • The typical output voltage range is 5V to 24V.

3. Load Connection:

   • Connect the load to the output terminals.
   • Ensure the load current does not exceed the maximum output current (3A).

4. Switching Frequency Adjustment:

   • Use an external resistor to set the switching frequency.
   • The typical switching frequency range is 50kHz to 200kHz.

5. Thermal Management:

   • Ensure adequate heat dissipation for the device, especially at higher output currents.
   • Operate the device within the specified temperature range (-40°C to 125°C).

6. Standby Mode:

   • To reduce power consumption, use the standby mode by controlling the enable pin.
   • The typical standby current is 10μA.

7. Storage:

   • Store the device in a dry environment within the storage temperature range (-40°C to 150°C).

8. Safety Precautions:

   • Avoid exceeding the maximum ratings to prevent damage to the device.
   • Follow proper handling and installation procedures to ensure reliable operation.

(For reference only)