Data Sheet No. PD60177-D
IR4426/IR4427/IR4428 (S)
Block Diagram
Packages
Product Summary
I
O
+/-
1.5A / 1.5A
V
OUT
6V - 20V
t
on/off
(typ.)
85 & 65 ns
DUAL LOW SIDE DRIVER
Features
Gate drive supply range from 6 to 20V
CMOS Schmitt-triggered inputs
Matched propagation delay for both channels
Outputs out of phase with inputs (IR4426)
Outputs in phase with inputs (IR4427)
OutputA out of phase with inputA and
OutputB in phase with inputB (IR4428)
Descriptions
The IR4426/IR4427/IR4428 (S) is a low voltage,
high speed power MOSFET and IGBT driver. Pro-
prietary latch immune CMOS technologies en-
able ruggedized monolithic construction. Logic
inputs are compatible with standard CMOS or
LSTTL outputs. The output drivers feature a high
pulse current buffer stage designed for mini-
mum driver cross-conduction. Propagation
delays between two channels are matched.
8
7
6
5
4
3
2
1
NC
OUTA
Vs
INA
GND
INB
OUTB
NC
IR442x
TO
LOAD
8 Lead PDIP
8 Lead SOIC
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2
IR4426/IR4427/IR4428
ADVANCE INFORMATION
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Symbol Definition
Min.
Max.
Units
V
S
Fixed supply voltage
-0.3
25
V
O
Output voltage
-0.3
V
S
+ 0.3
V
IN
Logic input voltage
-0.3
V
S
+ 0.3
P
D
Package power dissipation @ T
A
+25
C (8 Lead PDIP)
--
1.0
(8 lead SOIC)
--
0.625
Rth
JA
Thermal resistance, junction to ambient
(8 lead PDIP)
--
125
(8 lead SOIC)
--
200
T
J
Junction temperature
--
150
T
S
Storage temperature
-55
150
T
L
Lead temperature (soldering, 10 seconds)
--
300
Absolute Maximum Ratings
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage param-
eters are absolute voltages referenced to GND. The thermal resistance and power dissipation ratings are measured
under board mounted and still air conditions.
V
C
Symbol Definition
Min.
Max.
Units
V
S
Fixed supply voltage
6
20
V
O
Output voltage
0
V
S
V
IN
Logic input voltage
0
V
S
T
A
Ambient temperature
-40
125
Recommended Operating Conditions
The input/output logic timing diagram is shown in figure 1. For proper operation the device should be used within the
recommended conditions. All voltage parameters are absolute voltages referenced to GND.
C
V
W
C/W
Symbol
Definition
Min. Typ. Max. Units Test Conditions
V
IH
Logic "0" input voltage (OUTA=LO, OUTB=LO)
2.7
--
--
(IR4426)
Logic "1" input voltage (OUTA=HI, OUTB=HI)
(IR4427)
Logic "0" input voltage (OUTA=LO), Logic "1"
input voltage (OUTB=HI) (IR4428)
DC Electrical Characteristics
V
BIAS
(V
S
) = 15V, T
A
= 25
C unless otherwise specified. The V
IN
, and I
IN
parameters are referenced to GND and are
applicable to input leads: INA and INB. The V
O
and I
O
parameters are referenced to GND and are applicable to the
output leads: OUTA and OUTB.
V
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IR4426/IR4427/IR4428
ADVANCE INFORMATION
Symbol
Definition
Min. Typ. Max. Units Test Conditions
V
IL
Logic "1" input voltage (OUTA=HI, OUTB=HI)
--
--
0.8
(IR4426)
Logic "0" input voltage (OUTA=LO, OUTB=LO)
(IR4427)
Logic "I" input voltage (OUTA=HI), Logic "0"
input voltage (OUTB=LO) (IR4428)
V
OH
High level output voltage, V
BIAS
-V
O
--
--
1.2
V
OL
Low level output voltage, V
O
--
--
0.1
I
IN+
Logic "1" input bias current (OUT=HI)
--
5
15
V
IN
= 0V (IR4426)
V
IN
= V
S
(IR4427)
V
INA
= 0V (IR4428)
V
INB
= V
S
(IR4428)
I
IN-
Logic "0" input bias current (OUT=LO)
--
-10
-30
V
IN
= V
S
(IR4426)
V
IN
= 0V (IR4427)
V
INA
= V
S
(IR4428)
V
INB
= 0V
(IR4428)
I
QS
Quiescent Vs supply current
--
100
200
V
IN
= 0V or V
S
I
O+
Output high short circuit pulsed current
1.5
2.3
--
V
O
= 0V, V
IN
= 0
(IR4426)
V
O
= 0V, V
IN
= V
S
(IR4427)
V
O
= 0V, V
INA
= 0
(IR4428)
V
O
= 0V, V
INB
= V
S
(IR4428)
PW
10
s
I
O-
Output low short circuit pulsed current
1.5
3.3
--
V
O
= 15V, V
IN
= V
S
(IR4426)
V
O
= 15V, V
IN
= 0
(IR4427)
V
O
= 15V, V
INA
= V
S
(IR4428)
V
O
= 15V, V
INB
= 0
(IR4428)
PW
10
s
DC Electrical Characteristics cont.
V
BIAS
(V
S
) = 15V, T
A
= 25
C unless otherwise specified. The V
IN
, and I
IN
parameters are referenced to GND and are
applicable to input leads: INA and INB. The V
O
and I
O
parameters are referenced to GND and are applicable to the
output leads: OUTA and OUTB.
A
A
V
4
IR4426/IR4427/IR4428
ADVANCE INFORMATION
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Functional Block Diagram IR4426
Symbol
Definition
Min. Typ. Max. Units Test Conditions
Propagation delay characteristics
td1
Turn-on propagation delay
--
85
160
td2
Turn-off propagation delay
--
65
150
tr
Turn-on rise time
--
15
35
tf
Turn-off fall time
--
10
25
AC Electrical Characteristics
V
BIAS
(V
S
) = 15V, CL = 1000pF, T
A
= 25
o
C unless otherwise specified.
ns
figure 4
PREDRV
DRV
PREDRV
DRV
GND
OUTB
OUTA
Vs
INB
INA
Vs
5V
5V
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IR4426/IR4427/IR4428
ADVANCE INFORMATION
Functional Block Diagram IR4427
PREDRV
DRV
PREDRV
DRV
GND
OUTB
OUTA
Vs
INB
INA
Vs
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