TC648EOA View Datasheet(PDF) - Microchip Technology
Part Name
Description
MFG CO.
'TC648EOA' PDF : 28 Pages View PDF
TC648
VDD
VDD
VDD
Fan
Fan
Fan
RBASE
RBASE
VOUT
Q1
VOUT
Q1
VOUT
Q1
Q2
GND
a) Single Bipolar Transistor
GND
b) Darlington Transistor Pair
GND
C) N-Channel MOSFET
FIGURE 5-6:
Output Drive Transistor Circuit Topologies.
TABLE 5-1: TRANSISTORS AND MOSFETS FOR Q1 (VDD = 5V)
Device
Package
Max. VBE(sat)/VGS
(V)
Min. HFE
VCEO/VDS
(V)
Fan Current
(mA)
Suggested
RBASE (Ω)
MMBT2222A
SOT-23
1.2
50
40
150
800
MPS2222A
TO-92
1.2
50
40
150
800
MPS6602
TO-92
1.2
50
40
500
301
SI2302
SOT-23
2.5
NA
20
500
Note 1
MGSF1N02E
SOT-23
2.5
NA
20
500
Note 1
SI4410
SO-8
4.5
NA
30
1000
Note 1
SI2308
SOT-23
4.5
NA
60
500
Note 1
Note 1: A series gate resistor may be used in order to control the MOSFET turn-on and turn-off times.
2002 Microchip Technology Inc.
DS21448C-page 13
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