ISL6566 Datasheet, PDF (6/28 Pages) Intersil Corporation – Three-Phase Buck PWM Controller with Integrated MOSFET Drivers for VRM9, VRM10, and AMD Hammer Applications

ISL6566
Electrical Specifications Recommended Operating Conditions, Unless Otherwise Specified. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNITS
ERROR AMPLIFIER
DC Gain (Note 3)
Gain-Bandwidth Product (Note 3)
Slew Rate (Note 3)
Maximum Output Voltage
R_L = 10K to ground
C_L = 100pF, R_L = 10K to ground
C_L = 100pF, Load = ±400µA
Load = 1mA
-
96
-
20
-
8
3.90
4.20
-
dB
-
MHz
-
V/µs
-
V
Minimum Output Voltage
Load = -1mA
-
0.85
1.0
V
OVERCURRENT PROTECTION
OCSET trip current
93
100
107
µA
OCSET Accuracy
OCSET and ISUM Difference
-5
0
5
mV
ICOMP Offset
-5
0
5
mV
PROTECTION
Undervoltage Threshold
VSEN falling
80
82
84 %VID
Undervoltage Hysteresis
VSEN Rising
-
3
-
%VID
Overvoltage Threshold while IC Disabled
Overvoltage Threshold
V_OVP, VRM9.0 Configuration
V_OVP, Hammer and VRM10.0 Configurations
VSEN Rising
1.92
1.97
2.02
V
1.62
1.67
1.72
V
VID + VID + VID + V
125mV 150mV 175mV
Overvoltage Hysteresis
VSEN Falling
-
50
-
mV
Open Sense-Line Protection Threshold
IREF Rising and Falling
VDIFF VDIFF + VDIFF V
+ 0.9V
1V
+ 1.1V
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
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
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 (Note 3)
-
160
-
°C
Thermal Recovery Setpoint (Note 3)
-
100
-
°C
NOTE:
3. Parameter magnitude guaranteed by design. Not 100% tested.
6
FN9178.3
July 25, 2005