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ISL6312_07 Datasheet, PDF (8/35 Pages) Intersil Corporation – Four-Phase Buck PWM Controller with Integrated MOSFET Drivers for Intel VR10, VR11, and AMD Applications | |||
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ISL6312
Electrical Specifications Recommended Operating Conditions, Unless Otherwise Specified. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNITS
Overvoltage Threshold (Alternate)
OVPSEL tied to +5V, VSEN rising
VDAC + VDAC + VDAC + V
325mV 350mV 375mV
Overvoltage Hysteresis
VSEN falling
-
100
-
mV
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)
tRUGATE; VPVCC = 12V, 3nF load, 10% to 90%
tRLGATE; VPVCC = 12V, 3nF load, 10% to 90%
tFUGATE; VPVCC = 12V, 3nF load, 90% to 10%
tFLGATE; VPVCC = 12V, 3nF load, 90% to 10%
tPDHUGATE; VPVCC = 12V, 3nF load, adaptive
tPDHLGATE; VPVCC = 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)
VPVCC = 12V, 15mA source current
VPVCC = 12V, 15mA sink current
VPVCC = 12V, 15mA source current
VPVCC = 12V, 15mA sink current
1.25
2.0
3.0
Ω
0.9
1.65
3.0
Ω
0.85
1.25
2.2
Ω
0.60
0.80
1.35
Ω
Thermal Shutdown Setpoint
-
160
-
°C
Thermal Recovery Setpoint
-
100
-
°C
Timing Diagram
UGATE
LGATE
tPDHUGATE
tRUGATE
tFUGATE
tFLGATE
tPDHLGATE
tRLGATE
8
FN9289.3
February 14, 2007
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