在设计电池泄放电路时用到RQJ0303PGDQA，但是很难买，看到SPC4539A
能替代吗？
P-Channel SPC4539A
-30V/-5.7A,RDS(ON)= [email=70mΩ@VGS]70mΩ@VGS[/email]=- 10V
-30V/-4.4A,RDS(ON)= [email=105mΩ@VGS=-4.5V]105mΩ@VGS=-4.5V[/email]
问题Gate Threshold Voltage P-Ch -1.0 -3.0 v
RQJ0303PGDQA 4.5 V gate drive 矛盾吗？
RQJ0303PGDQA
(Ta = 25°C)
Item Symbol Ratings Unit
Drain to source voltage V DSS –30 V
Gate to source voltage V GSS +10 / –20 V
Drain current I D –3.3 A
Drain peak current I D(Pulse)
Note1
–5 A
Body - drain diode reverse drain current I DR –3.3 A
Channel dissipation Pch
Note2
0.8 W
Channel temperature Tch 150 °C
Storage temperature Tstg –55 to +150 °C |
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