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QC841 Datasheet(PDF) 1 Page - MORNSUN Science& Technology Ltd.

Part # QC841
Description  Hybrid Integrated IGBT Driver
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Manufacturer  MORNSUN [MORNSUN Science& Technology Ltd.]
Direct Link  http://www.mornsun-power.com
Logo MORNSUN - MORNSUN Science& Technology Ltd.

QC841 Datasheet(HTML) 1 Page - MORNSUN Science& Technology Ltd.

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The copyright and authority for the interpretation of the products are reserved by Mornsun
Specifications subject to change without notice.
QC841
A/1-2008
Page 1 of 2
QC841
Hybrid Integrated IGBT Driver
QC841 is a hybrid integrated IGBT driver built-in electrical
isolation between power devices and control circuits with the high
CMRR opto-coupler. Short circuit protection is provided by a
built-in desaturation detector. A fault signal is provided if the short
circuit protection is activate
ABSOLUTE MAXIMUM RATINGS
Item
Test Conditions
Limit
Units
Supply Voltage*
VCC
DC
25
V
Input Voltage
VI
Between Pin14 and Pin15
-1~+7
V
Photo coupler input current
Iin
Between Pin14 and Pin15
25
mA
Ig on
+5
A
Output current
Ig off
Pulse width 2
µs
Frequency f=20kHz
-5
A
Isolation Voltage
Viso
Sinewave voltage 50Hz/60Hz 1 min.
3750
V
Operation Temperature
Topr
-20~+70
°C
Storage Temperature
Tstg
-40~+125
°C
Fault Output Current
IFO
20
mA
Input Voltage
VR1
Pin6 input voltage
50
V
Note:Ta=25
°C; unless otherwise specified.
ELECTRICAL CHARACTERISTIC
Value
Characteristics
Test Conditions
Min
Typ.
Max
Units
Supply Voltage
VCC
Recommended Range
18
20
22
V
Pull-up voltage on input side
VIN
Recommended Range
4.75
5
5.25
V
Reverse bias power supply
voltage
VRB
Recommended Range
-5
V
“H” input current
IIH
Recommended Range
15.2
16
19
mA
Switching frequency
ƒ
Recommended Range
20
kHz
Gate resistor
RG
Recommended Range
2
Ω
“H” input current
IIH
VIN=5V
-
16
-
mA
“H” output voltage
VOH
VCC=20V
13
14
-
V
“L” output voltage
VOL
VCC=20V
-
-5
-
V
“L-H” propagation
tPLH
IIH=16mA
-
0.5
1
µs
“L-H” rise time
tr
IIH=16mA
0.6
1
µs
“H-L” propagation
tPHL
IIH=16mA
1
1.3
µs
“H-L” fall time
tf
IIH=16mA
0.4
1
µs
Protection threshold voltage VOCP
VCC=20V
8.5
V
Protection reset time
ttimer
1
1.4
2
ms
Fault output current
IFO
Pin5 input current, R=4.7K
5
mA
Soft turn-off time
Toff2
Pin6:
≥15V, Pin11:open
5
µs
Controlled time detect
short circuit 1
Ttrip1
Pin6:
≥15V, Pin11:open
2.6
µs
Note:
1. Ta=25
°C, V
CC=15V. unless otherwise specified
2.
”H” represents high level; “L” represents low level.
FEATURES
● Built in high CMRR opto-coupler
(CMR:Typical:30kV/
µs, Min.:15kV/µs)
● Electrical isolation voltage between input and
output with opto-couplers
(Viso=3750VRMS/min)
● Switching frequency up to 20kHz
● Single supply drive topology
● Built in short circuit protection circuit with a
pin for fault output
● Soft IGBT turn-off and protection circuit time
reset
● Pins are compatible with EXB841
APPLICATION
l General-purpose Inverter
l AC Servo Systems
l Uninterruptable Power Supplies(UPS)
l Welding Machines
RECOMMENDED MODULES
l 600V Series IGBT(up to 600A)
l 1200V Series IGBT(up to 400A)
l 1700V Series IGBT(up to 200A)
MORNSUN Science & Technology co.,Ltd.
Address: 2th floor 6th building, Huangzhou
Industrial District, Guangzhou, China
Tel: 86-20-38601850
Fax:86-20-38601272
Http://www.mornsun-power.com


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