Details

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BUY VN66AFD https://www.utsource.net/itm/p/12607668.html

Parameter	Symbol	Min	Typical	Max	Unit	Description
Supply Voltage	VDD	2.0	-	5.5	V	Operating supply voltage range
Continuous Drain Current	ID	-	1.2	1.5	A	Continuous drain current
Peak Pulse Current	Ipk	-	3.0	3.5	A	Peak pulse current (t < 1 ms)
Gate-Source Voltage	VGS(th)	0.8	1.2	1.6	V	Gate-source threshold voltage
Drain-Source On-State Resistance	RDS(on)	-	0.045	0.06	惟	On-state resistance at VGS = 4.5V
Gate Charge	Qg	-	9.5	12	nC	Total gate charge
Input Capacitance	Ciss	-	160	200	pF	Input capacitance
Output Capacitance	Coss	-	50	70	pF	Output capacitance
Reverse Transfer Capacitance	Crss	-	40	55	pF	Reverse transfer capacitance
Maximum Junction Temperature	TJ(max)	-	-	150	掳C	Maximum junction temperature
Storage Temperature Range	Tstg	-55	-	150	掳C	Storage temperature range

Instructions for Use:

1. Supply Voltage (VDD):

   • Ensure the supply voltage is within the specified range of 2.0V to 5.5V to avoid damage to the device.

2. Continuous Drain Current (ID):

   • The continuous drain current should not exceed 1.5A to prevent overheating and potential failure.

3. Peak Pulse Current (Ipk):

   • For short pulses (less than 1 ms), the peak current can be up to 3.5A. Ensure adequate cooling if operating near this limit.

4. Gate-Source Voltage (VGS(th)):

   • The gate-source threshold voltage is between 0.8V and 1.6V. Apply a gate voltage higher than this threshold to fully turn on the MOSFET.

5. Drain-Source On-State Resistance (RDS(on)):

   • At a gate-source voltage of 4.5V, the on-state resistance is typically 0.045惟. This value helps in calculating power dissipation.

6. Gate Charge (Qg):

   • The total gate charge is around 9.5nC, which is important for driving the MOSFET efficiently.

7. Capacitances:

   • Input (Ciss), output (Coss), and reverse transfer (Crss) capacitances are key parameters for high-frequency applications. They affect switching speed and efficiency.

8. Temperature:

   • The maximum junction temperature (TJ(max)) is 150掳C. Ensure proper heat sinking to keep the junction temperature below this limit.
   • The storage temperature range (Tstg) is from -55掳C to 150掳C. Store the device in this range to avoid damage.

9. Handling:

   • Handle the device with care to avoid static discharge, which can damage the MOSFET. Use ESD protection measures when handling.

10. Mounting:

    • Ensure good thermal contact with the heatsink or PCB to dissipate heat effectively. Use thermal paste or thermal pads as necessary.

By following these instructions, you can ensure optimal performance and longevity of the VN66AFD MOSFET.

(For reference only)