ISL6329 Datasheet, PDF (10/38 Pages) Intersil Corporation – Dual PWM Controller Powering AMD SVI Split-Plane Processors

ISL6329
Electrical Specifications Boldface limits apply over the operating temperature range. (Continued)
PARAMETER
PIN ADJUSTABLE OFFSET
TEST CONDITIONS
MIN
(Note 7)
TYP
OFS Reference Voltage Accuracy (Positive Offset)
OFS Reference Voltage Accuracy (Negative Offset)
REFERENCE AND DAC
0.29
VCC-1.7
System Accuracy (VDAC > 1.000V)
-0.6
System Accuracy (0.600V < VDAC < 1.000V)
-1.0
System Accuracy (VDAC < 0.600V)
-2.0
GATE VOLTAGE OPTIMIZATION
GVOT Voltage
ERROR AMPLIFIER
PVCC = 12V, GVOT = 5.75V, I_GVOT = 50mA
PVCC = 12V, GVOT = 6.75V, I_GVOT = 50mA
PVCC = 12V, GVOT = 7.75V, I_GVOT = 50mA
PSI_L = 1, I_GVOT = 50mA
5.75
6.75
7.75
11.1
DC Gain
Gain-Bandwidth Product
Slew Rate
Maximum Output Voltage
R_L = 10k to ground, (Note 6)
96
C_L = 100pF, R_L = 10k to ground, (Note 6)
20
C_L = 100pF, Load = ±400μA, (Note 6)
8
Load = 500μA
3.8
4.2
Minimum Output Voltage
Load = -500μA
1.4
FB_PSI Impedance
Impedance Between FB and FB_PSI
60
OUTPUT RAMP RATE
Soft-Start Slew Rate (SR_SS) And VID-On-The-Fly Slew I²C Default Slew Rate
Rate (SR_VOF)
PWM OUTPUTS
2.5
3
PWM Output Voltage LOW
PWM Output Voltage HIGH
PWM Tri-State Output Voltage
DROOP CURRENT
I_LOAD = ±500μA
I_LOAD = ±500μA
I_LOAD = 100μA
4.0
1.5
2
Core Tolerance
Northbridge Tolerance
CORE OVERCURRENT PROTECTION
6 Phases Active, R_ISENn = 100Ω,
I_ISENn = 80μA
R_{ISEN_NB} = 100Ω, I_{ISEN_NB}= 100μA
67
75
67
75
Instant Overcurrent Trip Level - I_DROOP
Instant Overcurrent Trip Level - I_{SEN_AVG}
Delayed Overcurrent Trip Level - I_{SEN_AVG}
Overcurrent Trip Level - Individual Channel
OCP Pin Current
(Note 6)
(Note 6)
Delayed OCP Level Tripped
120
145
134
155
100
170
20
OCP Pin Voltage Trip
NORTH BRIDGE OVERCURRENT PROTECTION
Delayed OCP Level Tripped
1.95
2.05
Overcurrent Trip Level - I_{SEN_NB}
85
Overcurrent Trip Level - I_{DROOP_NB}
ISL6329CRZ
80
Overcurrent Trip Level - I_{DROOP_NB}
ISL6329IRZ
76
10
MAX
(Note 7)
UNITS
0.32
V
VCC-1.56
V
+0.6
%
+1.0
%
+2.0
%
V
V
V
V
1.65
dB
MHz
V/μs
V
V
Ω
3.8
mV/μs
0.35
V
V
2.7
V
83
μA
83
μA
165
μA
180
μA
μA
μA
μA
2.15
V
137
μA
128
μA
128
μA
FN7800.0
April 19, 2011