ISL6208_07 Datasheet, PDF (4/10 Pages) Intersil Corporation – High Voltage Synchronous Rectified Buck MOSFET Driver

ISL6208
Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNITS
UGATE Fall Time (Note 5)
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
UG/LG Three-State Propagation Delay
Minimum LG On TIME in DCM (Note 5)
OUTPUT
t_FU
t_FL
t_PDLU
t_PDLL
t_PDHU
t_PDHL
t_PTS
t_LGMIN
V_VCC = 5V, 3nF load
V_VCC = 5V, 3nF load
V_VCC = 5V, outputs unloaded
V_VCC = 5V, outputs unloaded
V_VCC = 5V, outputs unloaded
V_VCC = 5V, outputs unloaded
V_VCC = 5V, outputs unloaded
-
8.0
-
ns
-
4.0
-
ns
-
18
-
ns
-
25
-
ns
10
20
30
ns
10
20
30
ns
-
35
-
ns
-
400
-
ns
Upper Drive Source Resistance
R_U
500mA source current
Upper Driver Source Current (Note 5)
I_U
V_UGATE-PHASE = 2.5V
Upper Drive Sink Resistance
R_U
500mA sink current
Upper Driver Sink Current (Note 5)
I_U
V_UGATE-PHASE = 2.5V
Lower Drive Source Resistance
R_L
500mA source current
Lower Driver Source Current (Note 5)
I_L
V_LGATE = 2.5V
Lower Drive Sink Resistance
R_L
500mA sink current
Lower Driver Sink Current (Note 5)
I_L
V_LGATE = 2.5V
NOTE:
5. Guaranteed by characterization, not 100% tested in production.
-
1
2.5
Ω
-
2.00
-
A
-
1
2.5
Ω
-
2.00
-
A
-
1
2.5
Ω
-
2.00
-
A
-
0.5
1.0
Ω
-
4.00
-
A
Typical Application with 2-Phase Converter
+5V
PGOOD
VID
+5V
FB
COMP
VCC
VSEN
PWM1
PWM2
FCCM
MAIN
CONTROL
ISEN1
ISEN2
FS
DACOUT
GND
+5V
VCC
BOOT
FCCM
UGATE
PWM _DRIVE PHASE
ISL6208A
THERMAL ^LGATE
PAD
+5V
VCC
FCCM
BOOT
UGATE
PWM ^{DRIVE PHASE}
ISL6208A
THERMAL ^LGATE
PAD
V_BAT
V_BAT
+V_CORE
4
FN9115.2
March 30, 2007