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ISL6208A
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted (Continued)
PARAMETER
LGATE Fall Time (Note 5)
UGATE Turn-Off Propagation Delay
LGATE Turn-Off Propagation Delay
UGATE Turn-On Propagation Delay
LGATE Turn-On Propagation Delay
UGATE Turn-On Propagation Delay
LGATE Turn-On Propagation Delay
Minimum LG On TIME in DCM (Note 5)
SYMBOL
t FL
t PDLU
t PDLL
t PDHU
t PDHL
t PDHU
t PDHL
t LGMIN
TEST CONDITIONS
V VCC = 5V, 3nF Load
V VCC = 5V, Outputs Unloaded
V VCC = 5V, Outputs Unloaded
V VCC = 5V, Outputs Unloaded; R SET = 0 ?
V VCC = 5V, Outputs Unloaded; R SET = 0 ?
V VCC = 5V, Outputs Unloaded; R SET = 80k ?
V VCC = 5V, Outputs Unloaded; R SET = 80k ?
MIN
-
-
-
-
-
-
-
-
TYP
4.0
20
27
26
26
41
33
400
MAX
-
-
-
-
-
-
-
-
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
OUTPUT
Upper Drive Source Resistance (Note 5)
Upper Driver Source Current (Note 5)
Upper Drive Sink Resistance (Note 5)
Upper Driver Sink Current (Note 5)
Lower Drive Source Resistance (Note 5)
Lower Driver Source Current (Note 5)
Lower Drive Sink Resistance (Note 5)
Lower Driver Sink Current (Note 5)
R U
I U
R U
I U
R L
I L
R L
I L
500mA Source Current
V UGATE-PHASE = 2.5V
500mA Sink Current
V UGATE-PHASE = 2.5V
500mA Source Current
V LGATE = 2.5V
500mA Sink Current
V LGATE = 2.5V
-
-
-
-
-
-
-
-
1
2.00
1
2.00
1
2.00
0.4
4.00
2.5
-
2.5
-
2.5
-
1.0
-
?
A
?
A
?
A
?
A
NOTE:
5. Guaranteed by Characterization. Not 100% Tested in Production.
Typical Application with 2-Phase Converter
+5V
+5V
V BAT
PGOOD
+5V
FB
VSEN
VCC
COMP
PWM1
PWM2
FCCM
VCC
FCCM
PWM
BOOT
UGATE
PHASE
DRIVE
ISL6208A
LGATE
THERMAL
PAD
+V CORE
MAIN
CONTROL
VID
ISEN1
ISEN2
+5V
VCC
BOOT
V BAT
FCCM
UGATE
FS
DACOUT
GND
PWM
DRIVE
ISL6208A
PHASE
THERMAL LGATE
PAD
4
FN9272.0
February 15, 2006
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