Not recommended for new designs. IRS20954SPBF
Please use IRS20957SPBF.
www.irf.com 3
Recommended Operating Conditions
For proper operation, the device should be used within the recommended conditions below. The V
s
and COM offset
ratings are tested with supplies biased at I
DD
=5 mA, V
CC
=12 V, and V
B
-V
S
=12 V.
Symbol
Definition Min. Max. Units
V
B
High-side floating supply absolute voltage V
S
+10 V
S
+18
V
S
High-side floating supply offset voltage Note 1 100
V
I
DDZ
Floating input supply Zener clamp current 1 5 mA
V
SS
Floating input supply absolute voltage 0 200
V
HO
High-side floating output voltage V
S
V
B
V
CC
Low-side fixed supply voltage 10 18
V
LO
Low-side output voltage 0 V
CC
V
IN
PWM input voltage V
SS
V
DD
V
CSD
CSD pin input voltage V
SS
V
DD
V
DT
DT pin input voltage 0 V
CC
V
I
OREF
Reference output current to COM (Note 2) 0.3 0.8 mA
V
OCSET
OCSET
pin input voltage 0.5 5 V
T
A
Ambient temperature -40 125
°C
I
PW
Input pulse width 10 (note 3) - ns
Note 1: Logic operational for V
S
equal to –5 V to +200 V. Logic state held for V
S
equal to –5 V to –V
BS
.
Note 2: Nominal voltage for V
REF
is 5 V. I
OREF
of 0.3 mA to 0.8 mA dictates total external resistor value on V
REF
to be 6.3 kΩ
to 16.7 kΩ.
Note 3: Output logic status may not respond correctly if input pulse width is smaller than the minimum pulse width
Electrical Characteristics
V
CC
, V
BS
= 12 V, I
DD
=5 mA, V
SS
=20 V, V
S
=0 V, C
L
=1 nF, and T
A
=25 °C unless otherwise specified.
Symbol
Definition
Min.
Typ.
Max.
Units
Test Conditions
Low-side Supply
UV
CC+
V
CC
supply UVLO positive threshold 8.4 8.9 9.4
UV
CC-
V
CC
supply UVLO negative threshold 8.2 8.7 9.2
V
I
QCC
Low-side quiescent current - - 3 mA V
DT
= V
CC
V
CLAMPL
Low-side Zener diode clamp voltage 19.8 20.8 21.8 V I
CC
=2 mA
High-side Floating Supply
UV
BS+
High-side well UVLO positive
threshold
8.0 8.5 9.0
UV
BS-
High-side well UVLO negative
threshold
7.8 8.3 8.8
V
I
QBS
High-side quiescent current - - 1 mA
I
LKH
High- to low-side leakage current - - 50 µA V
B
=V
S
=200 V
V
CLAMPH
High-side Zener diode clamp voltage 19.8 20.8 21.8 V I
BS
=2 mA
Floating Input Supply
UV
DD+
V
DD
, V
SS
floating supply UVLO
positive threshold
8.2 8.7 9.2
UV
DD-
V
DD
, V
SS
floating supply UVLO
negative threshold
7.7 8.2 8.7
V V
SS
=0 V
I
QDD
Floating input quiescent current - - 1 mA V
DD
=9.5 V +V
SS
V
CLAMPM
Floating input Zener diode clamp
voltage
9.9 10.4 10.9 V I
DD
=2 mA
I
LKM
Floating input side to low-side leakage
current
- - 50 µA V
DD
=V
SS
=200 V