Details

---

BUY TOP221GN https://www.utsource.net/itm/p/12607489.html

Parameter	Symbol	Min	Typ	Max	Unit	Conditions/Notes
Input Voltage	V_IN	180	-	370	V	AC input voltage range
Output Voltage	V_OUT	-	5	-	V	Fixed output voltage
Switching Frequency	f_SW	-	132	-	kHz	Internal oscillator frequency
Peak Current Limit	I_CL	-	4.8	-	A	Internal peak current limit
Power Dissipation	P_D	-	-	1.1	W	Maximum power dissipation (junction-to-ambient)
Junction Temperature	T_J	-	-	150	掳C	Maximum operating junction temperature
Storage Temperature	T_STG	-40	-	150	掳C	Operating storage temperature range
Isolation Voltage	V_ISO	-	2.5	-	kV	Minimum isolation voltage between primary and secondary sides

Instructions for TOP221GN

1. Mounting and Handling:

   • Handle with care to avoid damage to the pins or the body of the component.
   • Ensure proper heat sinking if operating near maximum power dissipation.

2. Input Connection:

   • Connect the AC input voltage within the specified range (180V to 370V AC).

3. Output Configuration:

   • The device provides a fixed 5V DC output. Ensure that external components like diodes and capacitors are rated appropriately for this output.

4. Switching Frequency:

   • The internal oscillator operates at a fixed frequency of 132 kHz. No external components are required to set this frequency.

5. Current Limiting:

   • The device has an internal peak current limit of 4.8A. Design the circuit to ensure that this limit is not exceeded under normal operation.

6. Thermal Management:

   • Monitor the junction temperature to ensure it does not exceed 150掳C. Use adequate cooling methods if necessary.

7. Isolation Requirements:

   • Maintain a minimum isolation voltage of 2.5kV between the primary and secondary sides to ensure safety and performance.

8. Storage and Operating Temperature:

   • Store the device in environments where the temperature ranges from -40掳C to 150掳C. Operating temperatures should also be within these limits.

9. Testing and Validation:

   • Before deploying the device, test under all expected operating conditions to verify performance and reliability.

This table and the instructions provide a comprehensive overview of the parameters and usage guidelines for the TOP221GN.

(For reference only)