ISL6333A INTERSIL [Intersil Corporation], ISL6333A Datasheet - Page 15

• Manufacturer Part Number: ISL6333A
• Description: Three-Phase Buck PWM Controller with Integrated MOSFET Drivers and Light Load Efficiency Enhancements for Intel VR11.1 Applications
• Manufacturer: INTERSIL [Intersil Corporation]

Electrical Specifications
NOTES:
Timing Diagram
Overvoltage Threshold During
Soft-Start
Overvoltage Threshold
Overvoltage Hysteresis
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)
Upper Drive Source Resistance
Upper Drive Sink Resistance
Lower Drive Source Resistance
Lower Drive Sink Resistance
OVER-TEMPERATURE SHUTDOWN (Note 3)
Thermal Shutdown Setpoint
Thermal Recovery Setpoint
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.
UGATE
LGATE
PARAMETER
t
PDHUGATE
15
t
FLGATE
Recommended Operating Conditions. Boldface limits apply over the operating temperature range. (Continued)
ISL6333, ISL6333A, ISL6333B, ISL6333C
VR11, VSEN rising
VSEN falling
t
90%
t
90%
t
10%
t
10%
t
adaptive
t
adaptive
V
V
V
V
RUGATE;
RLGATE;
FUGATE;
FLGATE;
PDHUGATE
PDHLGATE
PVCC
PVCC
PVCC
PVCC
= 12V, 15mA source current
= 12V, 15mA sink current
= 12V, 15mA source current
= 12V, 15mA sink current
V
V
V
V
TEST CONDITIONS
PVCC
PVCC
PVCC
PVCC
; V
; V
t
PVCC
RUGATE
PVCC
= 12V, 3nF load, 90% to
= 12V, 3nF load, 10% to
= 12V, 3nF load, 90% to
= 12V, 3nF load, 10% to
= 12V, 3nF load,
= 12V, 3nF load,
VDAC + 160mV VDAC + 175mV VDAC + 194mV
(Note 4)
1.260
MIN
90
-
-
-
-
-
-
-
-
-
-
-
-
t
PDHLGATE
t
FUGATE
1.280
TYP
1.35
1.35
0.90
108
160
100
2.0
26
18
18
12
10
10
t
RLGATE
(Note 4)
1.300
MAX
120
-
-
-
-
-
-
-
-
-
-
-
-
October 8, 2010
FN6520.3
UNITS
mV
ns
ns
ns
ns
ns
ns
°C
°C
Ω
Ω
Ω
Ω
V
V