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BUF405A Datasheet

  • BUF405A

  • HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTORS

  • 6頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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BUF405A
BUF405AFP
HIGH VOLTAGE FAST-SWITCHING
NPN POWER TRANSISTORS
s
s
s
s
s
s
HIGH SWITCHING SPEED NPN POWER
TRANSISTORS
EASY TO DRIVE
HIGH VOLTAGE FOR OFF-LINE
APPLICATIONS
100 KHz SWITCHING SPEED
LOW COST DRIVE CIRCUITS
LOW DYNAMIC SATURATION
3
3
1
2
APPLICATIONS:
s
SWITCH MODE POWER SUPPLIES
s
MOTOR DRIVERS
DESCRIPTION
These Easy-to-Drive FASTSWITCH NPN power
transistors are specially designed for high
reliability industrial and professional power driving
applications such us motor drives and off-line
switching power supplies. ETD transistors will
operate using easy drive circuits at up to 100KHz;
this helps to simplify designs and improve
reliability. The superior switching performance
and low crossover losses reduce dissipation and
consequently lowers the equipment operating
temperature.
1
2
TO-220
TO-220FP
INTERNAL SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symb ol
V
CEV
V
CEO
V
EBO
I
C
I
CM
I
B
I
BM
P
tot
T
s tg
T
j
Parameter
BUF405A
Collector-Emitter Voltage (V
BE
= -1.5 V)
Collector-Emitter Voltage (I
B
= 0)
Emitter-Base Voltage (I
C
= 0)
Collector Current
Collector Peak Current (t
p
< 5 ms)
Base Current
Base Peak Current (t
p
< 5 ms)
o
T otal Dissipation at T
c
= 25 C
Storage Temperature
Max O peration Junction T emperature
1000
450
7
7.5
15
3
4.5
80
-65 to 150
150
39
Valu e
BUF405AF P
V
V
V
A
A
A
A
W
o
C
o
C
Un it
January 1999
1/6

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