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參數(shù)資料
| 型號： | SKIC6001 |
| 廠商： | SEMIKRON INTERNATIONAL |
| 元件分類： | 外設(shè)及接口 |
| 英文描述： | SEMIDRIVER IGBT Driver Circuit |
| 中文描述： | 0.005 A HALF BRIDGE BASED PRPHL DRVR, PDSO28 |
| 封裝： | SOP-28 |
| 文件頁數(shù)： | 4/4頁 |
| 文件大?。?/td> | 329K |
| 代理商： | SKIC6001 |
SKIC 6001
by SEMIKRON
000913
4 / 4
RESET pulse which is generated, if the inputs (TOP,
BOTTOM) are LOW for 9
μ
s.
Functional description
Interlock
Fig. 3 demonstrates the right function of the interlock
of TOP-and BOTTOM-IGBT.
125 ns
Fig. 3 Interlock function
At first BOTTOM is turned off immediately after the
corresponding input signal (at 5μs), while TOP is
turned on with a delay of about 4μs (setting of
interlock 4μs). After 10μs both inputs become on“.
This is not a correct state (both IGBT on“ means
short circuit) and the reason is both outputs are
switched off. A switch on of BOTTOM is possible not
before TOP is off“ (at 25μs, interlock and delay time
about 1μs).
Fig. 4 shows the behavior, if the interlock function
isn’t active (SELECT low“). Both outputs react
immediately
to
the
corresponding
difference is the signal delay time of about 125 ns).
input
(the
The interlock time may be chosen by connecting pin
TDT1 and TDT2 to GND (0) or 5V (1).
PIN
TDT1
TDT2
SEL
4
μ
s
1
1
1
3
μ
s
1
0
1
2
μ
s
0
1
1
1
μ
s
0
0
1
OFF
X
X
0
125ns
Fig. 4 Interlock function not active
Shortpulse suppression
A very short pulse can be suppressed by limiting the
control input current. Thus with a 4.75k
resistance
shorter pulse than 70ns can be suppressed. This
gives a higher noise immunity.
DC-DC-Converter-Control signals
Fig. 5 output driver signals of the dc/dc converter.
The interlock time is 250ns, the frequency is 500kHz.
This technical information specifies devices but promises no characteristics. No warranty or guarantee
expressed or implied is made regarding delivery, performance or suitability.
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