2SK4023 Datasheet, PDF (5/6 Pages) Toshiba Semiconductor – Switching Regulator, DC/DC Converter

2SK4023
10
5
3
1
Duty = 0.5
0.5
0.3
0.2
0.1
0.05
0.1
0.05 0.02
0.03 _0.01
0.01
10 μ
100 μ
r_th – t_w
Single pulse
PDM
t
T
Duty = t/T
Rth _(ch-c) = 6.25°C/W
1m
10 m
100 m
1
10
Pulse width t_w (S)
Safe operating area
30
10
3
ID max (パルス) *
ID max (連続)
1
直流動作
0.3
Tc = 25°C
100 μs *
1 ms *
0.1
** 単^Si発^ngパ^leル^noス^nrepTecti=^{tiv2e5°pCulse}
Tc = 25°C
00.3
安全動作領域は温度によっ
C_てur_デve_ィs _レmu_ーs_テt b_ィe _ンde_グra_しte_てd l_考inearly
wえithるin必cr要eaがseあinりtまemすpe。rature.
00.1
VDSS max
0.1
1
10
100
Drain-source voltage V_DS (V)
E_AS – T_ch
150
120
90
60
30
0
25
50
75
100
125
150
Channel temperature (initial) T_ch (°C)
15 V
−15 V
B_VDSS
I_AR
V_DD
V_DS
Test circuit
R_G = 25 Ω
V_DD = 90 V, L = 203 mH
Waveform
EΕ_AS
=
1
2
⋅L
⋅I2
⋅
⎜⎜⎝⎛
BVDSS
BVDSS ^− VDD
⎟⎟⎠⎞
5
2006-11-06