SIPMOS ® Power Transistor
BUZ 344
• N channel • Enhancement mode • Avalanche-rated
Pin 1
Pin 2
Pin 3
G
D
S
Type
VDS
ID
RDS(on)
Package
Ordering Code
BUZ 344
100 V
50 A
0.035 Ω
TO-218 AA
C67078-S3132-A2
Maximum Ratings Parameter Symbol Values Unit
Continuous drain current
ID
50
A
TC = 25 ˚C
Pulsed drain current
IDpuls
200
TC = 25 ˚C
Avalanche current,limited by Tjmax Avalanche energy,periodic limited by Tjmax Avalanche energy, single pulse
IAR EAR EAS
50 18.5 mJ
ID = 50 A, VDD = 25 V, RGS = 25 Ω L = 240 µH, Tj = 25 ˚C
Gate source voltage Power dissipation 400
VGS Ptot
± 20
170
V W
TC = 25 ˚C
Operating temperature Storage temperature Thermal resistance, chip case Thermal resistance, chip to ambient DIN humidity category, DIN 40 040 IEC climatic category, DIN IEC 68-1
Tj Tstg RthJC RthJA
-55 ... + 150 -55 ... + 150
˚C
≤ 0.74
75 E 55 / 150 / 56
K/W
Data Sheet
1
05.99
BUZ 344
Electrical Characteristics, at Tj = 25˚C, unless otherwise specified
Parameter
Symbol min.
Values typ. max.
Unit
Static Characteristics
Drain- source breakdown voltage
V(BR)DSS
100 -
V
VGS = 0 V, ID = 0.25 mA, Tj = 25 ˚C
Gate threshold voltage
VGS(th)
2.1 3 4 µA 0.1 10 1 100 nA 10 100
VGS=VDS, ID = 1 mA
Zero gate voltage drain current
IDSS
VDS = 100 V, VGS = 0 V, Tj = 25 ˚C VDS = 100 V, VGS = 0 V, Tj = 125 ˚C
Gate-source leakage current
IGSS
VGS = 20 V, VDS = 0 V
Drain-Source on-resistance
RDS(on)
0.03 0.035
Ω
VGS = 10 V, ID = 32 A
Data Sheet
2
05.99
BUZ 344
Electrical Characteristics, at Tj = 25˚C, unless otherwise specified Parameter Symbol min. Dynamic Characteristics Values typ. max. Unit
Transconductance
gfs
15 28 -
S
VDS≥ 2 * ID * RDS(on)max, ID = 32 A
Input capacitance
Ciss
2400 3200
pF
VGS = 0 V, VDS = 25 V, f = 1 MHz
Output capacitance
Coss
730 1100
VGS = 0 V, VDS = 25 V, f = 1 MHz
Reverse transfer capacitance
Crss
430 650 ns
VGS = 0 V, VDS = 25 V, f = 1 MHz
Turn-on delay time
td(on)
VDD = 30 V, VGS = 10 V, ID = 3 A RGS = 50 Ω
Rise time 33 50
tr
VDD = 30 V, VGS = 10 V, ID = 3 A RGS = 50 Ω
Turn-off delay time 140 210
td(off)
VDD = 30 V, VGS = 10 V, ID = 3 A RGS = 50 Ω
Fall time 500 670
tf
VDD = 30 V, VGS = 10 V, ID = 3 A RGS = 50 Ω
230 310
Data Sheet
3
05.99
BUZ 344
Electrical Characteristics, at Tj = 25˚C, unless otherwise specified Parameter Symbol min. Reverse Diode Values typ. max. Unit
Inverse diode continuous forward current
IS
50
A
TC = 25 ˚C
Inverse diode direct current,pulsed
ISM
200 V 1.6 1.8 ns 170 µC 0.9 -
TC = 25 ˚C
Inverse diode forward voltage
VSD
VGS = 0 V, IF = 100 A
Reverse recovery time
trr
VR = 30 V, IF=lS, diF/dt = 100 A/µs
Reverse recovery charge
Qrr
VR = 30 V, IF=lS, diF/dt = 100 A/µs
Data Sheet
4
05.99
BUZ 344
Power dissipation Ptot = ƒ(TC)
Drain current ID = ƒ(TC) parameter: VGS ≥ 10 V
55 A
180 W
Ptot
140 120 100 80 60
ID
45 40 35 30 25 20 15
40 20 0 0
10 5 0 0 20 40 60 80 100 120 ˚C 160
20
40
60
80
100
120
˚C
160
TC
TC
Safe operating area ID = ƒ(VDS) parameter: D = 0.01, TC = 25˚C
10 3
Transient thermal impedance Zth JC = ƒ(tp) parameter: D = tp / T
10 0
A
K/W
tp = 3.1µs
ID
DS
ZthJC
1 0 -1
10 2
(o n)
V R
DS
/
I
10 µs
D
=
100 µs
1 ms
D = 0.50
10 ms
0.20 10
-2
10
1
0.10 0.05 single pulse 0.02 0.01
DC 10 0 0 10 10
1
V 10
2
10 -3 -7 10
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
s 10
0
VDS
tp
Data Sheet
5
05.99
BUZ 344
Typ. output characteristics ID = ƒ(VDS) parameter: tp = 80 µs
120 A 100
Typ. drain-source on-resistance RDS (on) = ƒ(ID) parameter: VGS
0.11
Ptot = 170W
l k j i h g
VGS [V] a 4.0
b c 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 9.0
Ω
0.09 RDS (on) 0.08 0.07 0.06 0.05 0.04 0.03 0.02
a
b
c
d
e
f
g
ID
90 80 70
fd
e
e
f g
60 50 40 30 20 10 0 0.0 1.0 2.0 3.0 4.0 5.0 6.0
a b c d
h i j
h i j l k
k 10.0 l 20.0
VGS [V] =
0.01 V 8.0 0.00 0
a 4.0
b 4.5
c 5.0
d 5.5
e f 6.0 6.5
g 7.0
h i 7.5 8.0
j 9.0
k l 10.0 20.0
20
40
60
80
A
110
VDS
ID
Typ. transfer characteristics ID = f (VGS)
Typ. forward transconductance gfs = f (ID)
parameter: tp = 80 µs
parameter: tp = 80 µs,
VDS≥2 x ID x RDS(on)max
75 A 65
ID
VDS≥2 x ID x RDS(on)max
34 S 28
gfs
60 55 50 45 40 35 30 25 20 15 10 5 0 0
24
20
16 12
8
4 0 0
1
2
3
4
5
6
7
8
V
VGS
10
10
20
30
40
50
A
ID
70
Data Sheet
6
05.99
BUZ 344
Drain-source on-resistance RDS (on) = ƒ(Tj) parameter: ID = 32 A, VGS = 10 V
0.11
Gate threshold voltage VGS (th) = ƒ(Tj) parameter: VGS = VDS, ID = 1 mA
4.6 V 4.0
Ω
0.09 RDS (on) 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0.00 -60 -20 20 60 100 ˚C 160
98%
VGS(th)
3.6 3.2 2.8 2.4
typ
2%
98% typ
2.0 1.6 1.2 0.8 0.4 0.0 -60 -20 20 60 100 ˚C 160
Tj
Tj
Typ. capacitances
C = f (VDS)
parameter:VGS = 0V, f = 1MHz
10 1
Forward characteristics of reverse diode IF = ƒ(VSD) parameter: Tj, tp = 80 µs
10 3
nF
C
A
Ciss
IF
10 2
10 0
Coss Crss
1 0 -1
10 1
Tj = 25 ˚C typ Tj = 150 ˚C typ Tj = 25 ˚C (98%) Tj = 150 ˚C (98%)
10 -2 0 10 0 0.0
5
10
15
20
25
30
V
VDS
40
0.4
0.8
1.2
1.6
2.0
2.4
V
3.0
VSD
Data Sheet
7
05.99
BUZ 344
Avalanche energy EAS = ƒ(Tj) parameter: ID = 50 A, VDD = 25 V RGS = 25 Ω, L = 240 µH
450 mJ
Typ. gate charge VGS = ƒ(QGate) parameter: ID puls = 75 A
16
V
EAS 350
300
VGS
12
10 250 8 200 6 150 100 50 0 20 4
0,2 VDS max
0,8 VDS max
2 0 0
40
60
80
100
120
˚C
160
40
80
120 160 200 240 280 320 nC 380
Tj
QGate
Drain-source breakdown voltage V(BR)DSS = ƒ(Tj)
120 V 116
V(BR)DSS 14 1
112 110 108 106 104 102 100 98 96 94 92 90 -60
-20
20
60
100
˚C
160
Tj
Data Sheet
8
05.99