ISL6314CRZ-T Datasheet, PDF (7/32 Pages) Intersil Corporation – Single-Phase Buck PWM Controller with Integrated MOSFET Drivers for Intel VR11 and AMD Applications

ISL6314
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Specified. 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
VIDx Input High Voltage (INTEL)
Pins VID0 to VID7
0.8
-
-
V
VIDx Input Low Voltage (AMD)
Pins VID0 to VID7
-
-
0.8
V
VIDx Input High Voltage (AMD)
Pins VID0 to VID7
1.4
-
-
V
VIDx Pull-Up Current (INTEL)
Pins VID0 to VID7; VIDx = 0V
-
-40
-
µA
VIDx Pull-Down Current (AMD)
Pins VID0 to VID7; VIDx = 0.5V
-
20
-
µA
PIN-ADJUSTABLE OFFSET
OFS Sink Current Accuracy (Negative Offset) R_OFS = 32.4kΩ from OFS to
47.0
49.4
53.0
µA
VCC
OFS Source Current Accuracy
(Positive Offset)
R_OFS = 6.04kΩ from OFS to
47.0
GND
49.7
53.0
µA
ERROR AMPLIFIER
DC Gain
Gain-Bandwidth Product
R_L = 10k to ground, (Note 3)
-
96
-
dB
C_L = 100pF, R_L = 10k to
-
40
-
MHz
ground, (Note 3)
Slew Rate
C_L = 100pF, load = ±400µA,
-
20
-
V/µs
(Note 3)
Maximum Output Voltage
Load = 1mA
3.90
4.20
-
V
Minimum Output Voltage
Load = -1mA
-
1.20
1.4
V
SOFT-START RAMP
Soft-Start Ramp Rate
Adjustment Range of Soft-Start Ramp Rate
(Note 3)
VR11, R_SS = 100kΩ
AMD, R_SS = 100kΩ
-
-
0.156
1.25
1.25
-
-
mV/µs
-
mV/µs
6.25
mV/µs
OVERCURRENT PROTECTION
OCSET Trip Current (ISL6314CRZ)
94
100
106
µA
OCSET Trip Current (ISL6314IRZ)
93
100
107
µA
OCSET Accuracy
OCSET and ISUM Difference
-5
0
5
mV
ISENO Offset
-1.7
0
1.7
mV
PROTECTION
Undervoltage Threshold
VSEN falling
VDAC - 325 VDAC - 350mV VDAC - 375
V
Undervoltage Hysteresis
VSEN rising
-
100
-
mV
Overvoltage Threshold During Soft-Start
VR11 and AMD
1.24
1.27
1.30
V
Overvoltage Threshold (Default)
VR11, VSEN rising
VDAC + 150mV VDAC + 175mV VDAC + 200mV V
AMD, VSEN rising
VDAC + 200mV VDAC + 225mV VDAC + 250mV V
Overvoltage Hysteresis
VSEN falling
-
100
-
mV
PGOOD Output Sink Current
PGOOD = 0.4V
-
7.5
-
mA
OVER-TEMPERATURE SHUTDOWN (Note 3)
Thermal Shutdown Setpoint
-
160
-
°C
Thermal Recovery Setpoint
-
100
-
°C
7
FN6455.2
October 8, 2009