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ISL6333_14 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 | |||
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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
tRUGATE; VPVCC = 12V, 3nF load, 10% to
-
26
-
ns
90%
LGATE Rise Time
tRLGATE; VPVCC = 12V, 3nF load, 10% to
-
18
-
ns
90%
UGATE Fall Time
tFUGATE; VPVCC = 12V, 3nF load, 90% to
-
18
-
ns
10%
LGATE Fall Time
tFLGATE; VPVCC = 12V, 3nF load, 90% to
-
12
-
ns
10%
UGATE Turn-On Non-Overlap
tPDHUGATE; VPVCC = 12V, 3nF load,
-
10
-
ns
adaptive
LGATE Turn-On Non-Overlap
tPDHLGATE; VPVCC = 12V, 3nF load,
-
10
-
ns
adaptive
GATE DRIVE RESISTANCE (Note 3)
Upper Drive Source Resistance
VPVCC = 12V, 15mA source current
Upper Drive Sink Resistance
VPVCC = 12V, 15mA sink current
Lower Drive Source Resistance
VPVCC = 12V, 15mA source current
Lower Drive Sink Resistance
VPVCC = 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
tPDHUGATE
tRUGATE
tFUGATE
tFLGATE
tPDHLGATE
tRLGATE
15
FN6520.3
October 8, 2010
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