2SK4034 Datasheet, PDF (5/6 Pages) Toshiba Semiconductor – Switching Regulator, DC-DC Converter Applications Motor Drive Applications

2SK4034
r_th − t_w
10
1
Duty = 0.5
0.2
0.1
0.1 _0.05
0.01
10 μ
0.02
0.01
Single Pulse
PDM
t
T
Duty = t/T
Rth _(ch-c) = 1.0°C/W
100 μ
1m
10 m
100 m
1
10
Pulse width t_w (S)
Safe operating area
1000
500
ID max (pulsed) *
300
100 μs *
100 ^{ID max (continuous)}
1 ms *
30
10
5
DC operation
3
Tc = 25°C
1
*: Single nonrepetitive pulse
0.5 _{Tc = 25°C}
0.3 Curves must be derated
linearly with increase in
temperature.
0.1
0.1
1
VDSS max
10
100
Drain-source voltage V_DS (V)
E_AS – T_ch
400
300
200
100
0
25
50
75
100
125
150
Channel temperature (initial) Tch (°C)
15 V
0V
Test circuit
R_G = 25 Ω
V_DD = 25 V, L = 78 μH
B_VDSS
I_AR
V_DD
V_DS
Wave form
EΕ_AS
=
1
2
⋅
L
⋅I2
⋅
⎜⎜⎝⎛
BVDSS
BVDSS ^− VDD
⎟⎟⎠⎞
5
2009-09-29