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IRS2548D
 
 
www.irf.com
?2011 International Rectifier
5
Absolute Maximum Ratings
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All
voltage parameters are absolute voltages referenced to COM, all currents are defined positive into any lead.
The thermal resistance and power dissipation ratings are measured under board mounted and still air
conditions.
 
Symbol
Definition
Min.
Max.
Units
V
B
 
VB Pin High-Side Floating Supply Voltage
-0.3
625
V
S
 
VS Pin High-Side Floating Supply Offset Voltage
V
B
  25
V
B
 + 0.3
V
HO
HO Pin High-Side Floating Output Voltage
V
S
 - 0.3
V
B
 + 0.3
V
LO
LO Pin Low-Side Output Voltage
V
PFC
 
PFC Gate Driver Output Voltage
-0.3
V
CC
 + 0.3
V
IO
MAX
 
Maximum allowable output current (HO, LO, PFC)
due to external power transistor miller effect
-500
500
mA
ICC
VCC current
 
 
0
25
mA
V
VBUS
VBUS Pin Voltage
V
COMP
COMP Pin Voltage
VOC
 
OC Pin Voltage
V
ENN
SD/EOL Pin Voltage
V
CS
CS Pin Voltage
-0.3
VCC + 0.3
V
VZX
 
ZX Pin Voltage
-0.3
VZX
CLAMP
+ 0.3
V
I
FMIN
 
FMIN Pin Current
I
COMP
 
COMP Pin Current
I
ZX
 
ZX Pin Current
I
OC
 
OC Pin Current
I
ENN
 
ENN Pin Current
I
CS
 
CS Pin Current
-5
5
mA
dV/dt
Allowable VS Pin Offset Voltage Slew Rate
-50
50
V/ns
P
D
Package Power Dissipation @ TA d +25篊
PD = (T
JMAX
-T
A
)/R
窲A
 
---
1.0
W
R
窲A
 
Thermal Resistance, Junction to Ambient
---
120
篊/W
T
J
 
Junction Temperature
-55
150
T
S
 
Storage Temperature
-55
150
T
L
 
Lead Temperature (soldering, 10 seconds)
---
300
篊
 
 
 This IC contains a zener clamp structure between the chip V
CC
 and COM, with a nominal breakdown
voltage of 15.6 V. Please note that this supply pin should not be driven by a low impedance DC power source
greater than V
CLAMP
 specified in the electrical characteristics section. 
 
 
 
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