ISL6322G Datasheet, PDF (8/39 Pages) Intersil Corporation – Two-Phase Buck PWM Controller with Integrated MOSFET Drivers, I2C Interface and Phase Dropping

ISL6322G
Electrical Specifications Recommended Operating Conditions, 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
SWITCHING TIME (Note 3)
UGATE Rise Time
LGATE Rise Time
UGATE Fall Time
LGATE Fall Time
UGATE Turn-On Non-Overlap
LGATE Turn-On Non-Overlap
GATE DRIVE RESISTANCE (Note 3)
t_RUGATE; V_PVCC = 12V, 3nF load, 10% to 90%
t_RLGATE; V_PVCC = 12V, 3nF load, 10% to 90%
t_FUGATE; V_PVCC = 12V, 3nF load, 90% to 10%
t_FLGATE; V_PVCC = 12V, 3nF load, 90% to 10%
t_PDHUGATE; V_PVCC = 12V, 3nF load, adaptive
t_PDHLGATE; V_PVCC = 12V, 3nF load, adaptive
26
ns
18
ns
18
ns
12
ns
10
ns
10
ns
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
2.0
Ω
1.65
Ω
1.25
Ω
0.80
Ω
Thermal Shutdown Setpoint
160
°C
Thermal Recovery Setpoint
100
°C
Timing Diagram
UGATE
LGATE
t_PDHUGATE
t_RUGATE
t_FUGATE
t_FLGATE
t_PDHLGATE
t_RLGATE
8
FN6715.0
May 22, 2008