ISL6322_07 Datasheet, PDF (9/41 Pages) Intersil Corporation – Four-Phase Buck PWM Controller with Integrated MOSFET Drivers and I2C Interface for Intel VR10, VR11, and AMD Applications

ISL6322
Electrical Specifications Recommended Operating Conditions, Unless Otherwise Specified. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
Overvoltage Hysteresis
VSEN falling
100
SWITCHING TIME (Note 3)
UGATE Rise Time
t_RUGATE; V_PVCC = 12V, 3nF load, 10% to 90%
26
LGATE Rise Time
t_RLGATE; V_PVCC = 12V, 3nF load, 10% to 90%
18
UGATE Fall Time
t_FUGATE; V_PVCC = 12V, 3nF load, 90% to 10%
18
LGATE Fall Time
t_FLGATE; V_PVCC = 12V, 3nF load, 90% to 10%
12
UGATE Turn-On Non-Overlap
t_PDHUGATE; V_PVCC = 12V, 3nF load, adaptive
10
LGATE Turn-On Non-Overlap
t_PDHLGATE; V_PVCC = 12V, 3nF load, adaptive
10
GATE DRIVE RESISTANCE (Note 3)
Upper Drive Source Resistance
Upper Drive Sink Resistance
Lower Drive Source Resistance
Lower Drive Sink Resistance
OVER TEMPERATURE SHUTDOWN (Note 3)
V_PVCC = 12V, 15mA source current
V_PVCC = 12V, 15mA sink current
V_PVCC = 12V, 15mA source current
V_PVCC = 12V, 15mA sink current
1.25
2.0
0.9
1.65
0.85
1.25
0.60
0.80
Thermal Shutdown Setpoint
-
160
Thermal Recovery Setpoint
-
100
Timing Diagram
UGATE
LGATE
t_PDHUGATE
t_RUGATE
t_FUGATE
MAX UNITS
mV
ns
ns
ns
ns
ns
ns
3.0
Ω
3.0
Ω
2.2
Ω
1.35
Ω
-
°C
-
°C
t_FLGATE
t_PDHLGATE
t_RLGATE
9
FN6328.1
February 15, 2007