ISL6333 Datasheet, PDF (15/40 Pages) Intersil Corporation – Three-Phase Buck PWM Controller with Integrated MOSFET Drivers and Light Load Efficiency Enhancements for Intel VR11.1 Applications

ISL6333, ISL6333A, ISL6333B, ISL6333C
Electrical Specifications Recommended Operating Conditions. Boldface limits apply over the operating temperature range. (Continued)
PARAMETER
TEST CONDITIONS
MIN
MAX
(Note 4)
TYP
(Note 4) UNITS
Overvoltage Threshold During
Soft-Start
1.260
1.280
1.300
V
Overvoltage Threshold
VR11, VSEN rising
VDAC + 160mV VDAC + 175mV VDAC + 194mV V
Overvoltage Hysteresis
VSEN falling
90
108
120
mV
SWITCHING TIME (Note 3)
UGATE Rise Time
t_RUGATE; V_PVCC = 12V, 3nF load, 10% to
-
26
-
ns
90%
LGATE Rise Time
t_RLGATE; V_PVCC = 12V, 3nF load, 10% to
-
18
-
ns
90%
UGATE Fall Time
t_FUGATE; V_PVCC = 12V, 3nF load, 90% to
-
18
-
ns
10%
LGATE Fall Time
t_FLGATE; V_PVCC = 12V, 3nF load, 90% to
-
12
-
ns
10%
UGATE Turn-On Non-Overlap
t_PDHUGATE; V_PVCC = 12V, 3nF load,
-
10
-
ns
adaptive
LGATE Turn-On Non-Overlap
t_PDHLGATE; V_PVCC = 12V, 3nF load,
-
10
-
ns
adaptive
GATE DRIVE RESISTANCE (Note 3)
Upper Drive Source Resistance
V_PVCC = 12V, 15mA source current
Upper Drive Sink Resistance
V_PVCC = 12V, 15mA sink current
Lower Drive Source Resistance
V_PVCC = 12V, 15mA source current
Lower Drive Sink Resistance
V_PVCC = 12V, 15mA sink current
OVER-TEMPERATURE SHUTDOWN (Note 3)
-
2.0
-
Ω
-
1.35
-
Ω
-
1.35
-
Ω
-
0.90
-
Ω
Thermal Shutdown Setpoint
-
160
-
°C
Thermal Recovery Setpoint
-
100
-
°C
NOTES:
3. Limits established by characterization and are not production tested.
4. 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.
Timing Diagram
UGATE
LGATE
t_PDHUGATE
t_RUGATE
t_FUGATE
t_FLGATE
t_PDHLGATE
t_RLGATE
15
FN6520.3
October 8, 2010