datasheet

SKHI 21A R
Absolute Maximum Ratings
Symbol
Conditions
VS
Supply voltage primary
VIH
Input signal voltage (HIGH)
IoutPEAK
Output peak current
8
A
IoutAVmax
Output average current (max.)
40
mA
fmax
max. switching frequency
50
kHz
VCE
Collector emitter voltage sense across
the IGBT
1200
V
dv/dt
Rate of rise and fall of voltage
secondary to primary side
50
kV/µs
Hybrid Dual MOSFET Driver
Visol IO
Isolation test voltage input - output (2
sec. AC)
2500
V
SKHI 21A R
RGon min
Minimum rating for external RGon
3
Ω
Preliminary Data
RGoff min
Minimum rating of external RGoff
3
Ω
Qout/pulse
Max. rating for output charge per pulse
4
µC
Top
Operating temperature
- 40 ... + 85
°C
Tstg
Storage temperature
- 40 ... + 85
°C
SEMIDRIVER™
Values
Unit
18
V
Vs+0.3
V
Visol12
Features
•
•
•
•
•
•
•
•
Drives MOSFET with VDS(on) < 10 V
Is compatible to old SKHI 21
CMOS compatible inputs
Short circuit protection by VCE
monitoring and switch off
Drive interlock top / bottom
Isolation by transformers
Supply undervoltage protection (13 V)
Error latch / output
Characteristics
Symbol
Conditions
min.
typ.
max.
VS
Supply voltage primary side
14,4
15
15,6
ISO
Supply current primary side (no load)
80
Supply current primary side (max.)
Typical Applications
• Driver for MOSFET modules in bridge
circuits in industrial applications
V
Unit
V
mA
290
mA
V
Vj
Input signal voltage on / off
VIT+
Input threshold voltage (High)
10,9
11,7
12,5
4,7
5,5
6,5
15 / 0
V
VIT-
Input threshold voltage (Low)
Footnotes
RIN
Input resistance
see fig. 6
At RCE = 18 kΩ , CCE = 330 pF
VG(on)
Turn on gate voltage output
+ 15
V
VG(off)
Turn off gate voltage output
0
V
RGE
Internal gate-emitter resistance
22
kΩ
fASIC
Asic system switching frequency
8
MHz
td(on)IO
Input-output turn-on propagation time
0,85
1
1,15
td(off)IO
Input-output turn-off propagation time
0,85
1
1,15
td(err)
Error input-output propagation time
10
tpERRRESET Error reset time
© by SEMIKRON
V
kΩ
µs
µs
0,6
µs
9
µs
tTD
Top-Bot Interlock Dead Time
VCEstat
Reference voltage for VCE monitoring
5
Cps
Coupling capacitance primary /
secondary
12
pF
MTBF
Mean time between failure Ta=40°C
2,0
106h
w
weight
45
g
Rev. 7 – 12.06.2008
3,3
4,3
µs
10
V
1