ISL6308A Datasheet, PDF (7/28 Pages) Intersil Corporation – Three-Phase Buck PWM Controller with High Current Integrated MOSFET Drivers

ISL6308A
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Specified. Parameters with MIN and/or MAX limits are
100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are
not production tested. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNITS
Lower Drive Sink Resistance
OVER-TEMPERATURE SHUTDOWN
V_PVCC = 12V, 150mA Sink Current
0.60
0.94
1.35
Ω
Thermal Shutdown Setpoint (Note 4)
thermal_set
Thermal Recovery Setpoint (Note 4)
thermal_rec
NOTES:
3. Limits should be considered typical and are not production tested
4. Limits established by characterization and are not production tested
-
160
-
°C
-
135
-
°C
Timing Diagram
UGATE
LGATE
t_PDHUGATE
t_RUGATE
t_FUGATE
t_FLGATE
t_PDHLGATE
t_RLGATE
Simplified Power System Diagram
+12V_IN
+5V_IN
Q1
2
REF0,REF1
DAC
CHANNEL1
Q2
ENLL
OVP
PGOOD
Q3
CHANNEL2
ISL6308A
Q4
Q5
CHANNEL3
Q6
V_OUT
7
FN6669.0
September 9, 2008