Datasheet
2
IR4426/IR4427/IR4428(S) & (PbF)
ADVANCE INFORMATION
www.irf.com
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