ISL6323 Datasheet, PDF (7/34 Pages) Intersil Corporation – Hybrid SVI/PVI

ISL6323
Electrical Specifications Recommended Operating Conditions (0°C to +70°C), Unless Otherwise Specified. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
REFERENCE AND DAC
System Accuracy (VDAC > 1.000V)
-0.6
0.6
System Accuracy (0.600V < VDAC < 1.000V)
-1.0
1.0
System Accuracy (VDAC < 0.600V)
-2.0
2.0
DVC Voltage Gain
VDAC = 1V
2.0
APA Current Tolerance
ERROR AMPLIFIER
V_APA = 1V
90
100
108
DC Gain
Gain-Bandwidth Product (Note 3)
Slew Rate (Note 3)
Maximum Output Voltage
R_L = 10k to ground, (Note 3)
C_L = 100pF, R_L = 10k to ground, (Note 3)
C_L = 100pF, Load = ±400µA, (Note 3)
Load = 1mA
96
20
8
3.80
4.20
Minimum Output Voltage
Load = -1mA
1.3
1.6
SOFT-START RAMP
Soft-Start Ramp Rate
2.2
3.0
4.0
PWM OUTPUTS
PWM Output Voltage LOW Threshold
PWM Output Voltage HIGH Threshold
CURRENT SENSING - CORE CONTROLLER
I_LOAD = ±500µA
I_LOAD = ±500µA
0.5
4.5
Current Sense Resistance, R_ISEN (Internal)
(Note 3)
T_A = +25°C
2400
Average Sensed and Droop Current Tolerance
ISEN1+ = ISEN2+ = ISEN3+ = ISEN4+ = 77µA 68
77
87
CURRENT SENSING - NB CONTROLLER
Current Sense Resistance, R_{ISEN_NB} (Internal)
(Note 3)
T_A = +25°C
2400
Sensed Current Tolerance
ISEN_NB = 80µA
80
OVERCURRENT PROTECTION
Overcurrent Trip Level - Average Channel
Normal Operation
83
100
111
Dynamic VID Change (Note 3)
130
Overcurrent Trip Level - Individual Channel
Normal Operation
142
Dynamic VID Change (Note 3)
190
POWER GOOD
Overvoltage Threshold
VSEN Rising (Core and North Bridge)
VDAC VDAC + VDAC +
+225mV 250mV 275mV
Undervoltage Threshold
VSEN Falling (Core)
VDAC - VDAC - VDAC -
325mV 300mV 275mV
VSEN Falling (North Bridge)
VDAC - VDAC - VDAC -
310mV 275mV 245mV
Power Good Hysteresis
50
OVERVOLTAGE PROTECTION
OVP Trip Level
1.73
1.80
1.84
OVP Lower Gate Release Threshold
350
400
SWITCHING TIME (Note 3) [See “Timing Diagram” on page 8]
UGATE Rise Time
t_RUGATE; V_PVCC = 12V, 3nF Load, 10% to 90%
26
UNITS
%
%
%
V
µA
dB
MHz
V/µs
V
V
mV/µs
V
V
Ω
µA
Ω
µA
µA
µA
µA
µA
V
mV
mV
mV
V
mV
ns
7
FN9278.2
April 7, 2008