IR1150(S)/IR1150I(S)(PbF)
www.irf.com 
 
 
 
2
 
Absolute Maximum Ratings 
 
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltages are
absolute voltages referenced to COM. Thermal resistance and power dissipation are measured under board mounted and
still air conditions. 
Parameters 
Symbols   Min. 
Max. 
Units   Remarks 
 
VCC voltage
V
CC
 
-0.3
22
V
Not internally clamped
 
Freq. voltage
V
FREQ
.
-0.3
10.5
V
 
 
ISNS voltage
V
ISNS
 
-10
3
V
 
 
OVP/EN voltage
V
OVP/EN
 
-0.3
9
V
 
 
VFB voltage
V
FB
 
-0.3
10.5
V
 
 
COMP voltage
V
COMP
 
-0.3
10
V
 
 
Gate voltage
V
GATE
 
-0.3
18
V
 
 
Continuous gate current
I
GATE
 
-5
5
mA
 
 
Max peak gate current
I
GATEPK
 
-1.5
1.5
A
 
 
Junction temperature
T
J
 
-40
150
 
 
Storage temperature
T
S
 
-55
150
 
 

128
贑/W
SOIC-8
 
Thermal resistance
R
?JA
 

84
贑/W
PDIP-8
 

675
mW
SOIC-8 T
AMB
 = 25 贑
 
Package power dissipation
P
D
 

1000
mW
PDIP-8 T
AMB
 = 25 贑
 
ESD protection
V
ESD
 

2
kV
Human body model*
 
 
Recommended Operating Conditions 
 
 
 
Recommended operating conditions for reliable operation with margin 
 
 
Parameters 
Symbols 
Min. Typ. 
Max.  Units 
Remarks 
  Supply voltage
VCC
15
18
20
V
 
Junction temperature
TJ
-25

125
 
Ambient temperature
TA
0

70
IR1150(S)
Ambient temperature
TA
-25

85
IR1150I(S)
Switching frequency
FSW
50

200
kHz
 
 
Electrical Characteristics 
The electrical characteristics involve the spread of values guaranteed within the specified supply voltage and junction
temperature range T
J
 from  25癈 to 125癈. Typical values represent the median values, which are related to 25癈. If 
not otherwise stated, a supply voltage of V
CC
 =15V is assumed for test condition
 
 
Supply Section 
 
Parameters 
Symbols     Min. 
Typ.  Max. 
Units     Remarks 
  VCC turn-on threshold
VCC ON
12.2
12.7
13.2
V
 
VCC turn-off threshold
(under voltage lock out)
VCC UVLO
10.2
10.7
11.2
V
 
 
*Per EIA/JESD22-A114-B (discharging a 100pF capacitor through a 1.5K& series resistor) 
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