BUF420A ST Microelectronics, BUF420A Datasheet

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BUF420A

Manufacturer Part Number
BUF420A
Description
HIGH VOLTAGE FAST-SWITCHING NPN POWER TRANSISTOR
Manufacturer
ST Microelectronics
Datasheet

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APPLICATIONS:
DESCRIPTION
The BUF420A is manufactured using High
Voltage Multi Epitaxial Planar technology for high
switching speeds and high voltage capacity. It
use a Cellular Emitter structure with planar edge
termination to enhance switching speeds while
maintaining a wide RBSOA.
The BUF series is designed for use in
high-frequency power supplies and motor control
applications.
ABSOLUTE MAXIMUM RATINGS
June 2000
Symbol
STMicroelectronics PREFERRED
SALESTYPE
HIGH VOLTAGE CAPABILITY
VERY HIGH SWITCHING SPEED
MINIMUM LOT-TO-LOT SPREAD FOR
RELIABLE OPERATION
LOW BASE-DRIVE REQUIREMENTS
SWITCH MODE POWER SUPPLIES
MOTOR CONTROL
V
V
V
T
I
P
I
CEO
CEV
EBO
I
CM
T
I
BM
stg
C
B
t ot
j
Collector-Emitter Voltage (V
Collector-Emitter Voltage (I
Emitter-Base Voltage (I
Collector Current
Collector Peak Current (t
Base Current
Base Peak Current (t
Total Dissipation at T
St orage Temperature
Max. Operating Junction Temperature
Parameter
p
c
< 5 ms)
= 25
C
p
= 0)
< 5 ms)
B
o
BE
C
= 0)
HIGH VOLTAGE FAST-SWITCHING
= -1.5V)
NPN POWER TRANSISTOR
INTERNAL SCHEMATIC DIAGRAM
-65 to 150
Value
1000
450
200
150
30
60
TO-218
7
6
9
1
BUF420A
2
3
Uni t
o
o
W
V
A
A
V
V
A
A
C
C
1/6

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BUF420A Summary of contents

Page 1

... LOW BASE-DRIVE REQUIREMENTS APPLICATIONS: SWITCH MODE POWER SUPPLIES MOTOR CONTROL DESCRIPTION The BUF420A is manufactured using High Voltage Multi Epitaxial Planar technology for high switching speeds and high voltage capacity. It use a Cellular Emitter structure with planar edge termination to enhance switching speeds while maintaining a wide RBSOA ...

Page 2

... BUF420A THERMAL DATA R Thermal Resistance Junction-Case t hj-ca se ELECTRICAL CHARACTERISTICS (T Symb ol Parameter I Collector Cut-off CER Current ( Collector Cut-off CEV Current (V = -1.5V Emitter Cut-off Current EBO ( Collector-Emitter CEO(sus ) Sustaining Voltage ( Emitter Base Voltage EBO ( Collector-Emitter ...

Page 3

... 0 400 0. =125 off 0 0. =125 C j BUF420A Min. Typ . Max 0.15 s 0.25 s 500 V 2.2 s 0.06 s 0.12 s 3.5 s 0.12 s 0.3 s 400 V 3/6 ...

Page 4

... BUF420A Turn-on Switching Test Waveforms. Turn-off Switching Test Waveforms (inductive load). Reverse Biased Safe Operating Area 4/6 Forward Biased Safe Operating Areas. Storage Time Versus Pulse Time. ...

Page 5

... 3. – Ø ¯ MAX. MIN. 4.9 0.185 1.37 0.046 0.78 0.019 1.3 0.043 11.1 0.425 15.2 0.578 16.2 – 4.15 0.155 12.2 – 4.1 0.157 BUF420A inch TYP. MAX. 0.193 0.054 0.098 0.030 0.051 0.437 0.598 0.637 0.708 0.163 1.220 0.480 0.161 P025A 5/6 ...

Page 6

... BUF420A Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are subject to change without notice ...

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