M65P100F1 查看數據表（PDF） - Intersil
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M65P100F1 Datasheet PDF : 5 Pages
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MCTV65P100F1, MCTA65P100F1
Typical Performance Curves (Continued)
50
fMAX1 = 0.05 / tD(ON)I + tD(OFF)I
fMAX2 = (PD - PC) / ESWITCH
PD: ALLOWABLE DISSIPATION
PC: CONDUCTION DISSIPATION
(PC DUTY FACTOR = 50%)
10
RθJC = 0.5oC/W
VKA = -500V
VKA = -400V
1
10
100
IK, CATHODE CURRENT (A)
TJ = +150oC, VGA = 18V
120
100
80
CS = 0.7µF
60
CS = 0µF
40
CS = 1.0µF
20
0
0 -100 -200 -300 -400 -500 -600 -700 -800 -900 -1000
VKA, PEAK TURN OFF VOLTAGE (V)
FIGURE 9. OPERATING FREQUENCY vs CATHODE CURRENT
(TYPICAL)
-1100
-1075
-1050
-1025
-1000
-975
-950
-925
-900
-875
-850
-825
-800
0.1
1.0
TJ = +150oC
10
100
dv/dt (V/µS)
1,000 10,000
FIGURE 10. TURN-OFF CAPABILITY vs ANODE-CATHODE
VOLTAGE
-100
CS = 0.1µF, TJ = +150oC
CS = 0.1µF, TJ = +25oC
CS = 1µF, TJ = +150oC
-10
CS = 2µF, TJ = +150oC
CS = 1µF, TJ = +25oC
CS = 2µF, TJ = +25oC
-3
0 5 10 15 20 25 30 35 40 45 50
di/dt (A/µs)
FIGURE 11. BLOCKING VOLTAGE vs dv/dt
FIGURE 12. SPIKE VOLTAGE vs di/dt (TYPICAL)
Operating Frequency Information
Operating frequency information for a typical device (Figure
9) is presented as a guide for estimating device performance
for a specific application. Other typical frequency vs cathode
current (IK) plots are possible using the information shown
for a typical unit in Figures 3 to 8. The operating frequency
plot (Figure 9) of a typical device shows fMAX1 or fMAX2
whichever is smaller at each point. The information is based
on measurements of a typical device and is bounded by the
maximum rated junction temperature.
fMAX1 is defined by fMAX1 = 0.05 / (tD(ON)I + tD(OFF)I). tD(ON)I +
tD(OFF)I deadtime (the denominator) has been arbitrarily held to
10% of the on-state time for a 50% duty factor. Other definitions
are possible. tD(ON)I is defined as the 10% point of the leading
edge of the input pulse and the point where the cathode current
rises to 10% of its maximum value. tD(OFF)I is defined as the
90% point of the trailing edge of the input pulse and the point
where the cathode current falls to 90% of its maximum value.
Device delay can establish an additional frequency limiting
condition for an application other than TJMAX. tD(OFF)I is
important when controlling output ripple under a lightly loaded
condition. fMAX2 is defined by fMAX2 = (PD - PC) / (EON+EOFF).
The allowable dissipation (PD) is defined by PD = (TJMAX - TC) /
RΘJC. The sum of device switching and conduction losses must
not exceed PD. A 50% duty factor was used and the conduction
losses (PC) are approximated by PC = (VKA • IK) / 2. EON is
defined as the sum of the instantaneous power loss starting at
the leading edge of the input pulse and ending at the point where
the anode-cathode voltage equals saturation voltage (VKA =
VTM). EOFF is defined as the sum of the instantaneous power
loss starting at the trailing edge of the input pulse and ending at
the point where the cathode current equals zero (IK = 0).
2-16
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