isl6333 Intersil Corporation, isl6333 Datasheet - Page 14

• Manufacturer Part Number: isl6333
• Description: Three-phase Buck Pwm Controller With Integrated Mosfet Drivers And Light Load Efficiency Enhancements For Intel Vr11.1 Applications
• Manufacturer: Intersil Corporation

Electrical Specifications
Oscillator Ramp Amplitude, V
CONTROL THRESHOLDS
EN Rising Threshold
EN Hysteresis
REFERENCE AND DAC
System Accuracy (1.000V to 1.600V)
System Accuracy (0.600V to 1.000V)
System Accuracy (0.400V to 0.600V)
DAC Input Low Voltage
DAC Input High Voltage
PSI# INPUT
PSI# Input Low Voltage Threshold
PSI# Input High Voltage Threshold
PIN-ADJUSTABLE OFFSET
OFS Sink Current Accuracy
(Negative Offset)
OFS Source Current Accuracy
(Positive Offset)
ERROR AMPLIFIER
DC Gain
Gain-Bandwidth Product
Slew Rate
Maximum Output Voltage
Minimum Output Voltage
SOFT-START RAMP
Soft-Start Ramp Rate
Adjustment Range of Soft-Start Ramp
Rate (Note 3)
CURRENT SENSING
IDROOP Current Sense Offset
IDROOP Current Sense Gain
OVERCURRENT PROTECTION
Overcurrent Trip Level - Average
Channel
Overcurrent Trip Level - Individual
Channel
IMON Pin Clamped Overcurrent Level
OVERVOLTAGE AND UNDERVOLTAGE PROTECTION
Undervoltage Threshold
Undervoltage Hysteresis
PARAMETER
P-P
14
Recommended Operating Conditions. Unless otherwise specified, parts are 100% tested at +25°C;
temperature limits are established by characterization and are not production tested. (Continued)
(Note 3)
R
R
R
C
(Note 3)
C
Load = 1mA
Load = -1mA
R
R
R
Normal operation
Dynamic VID change
Normal operation
Dynamic VID change
VSEN falling
VSEN rising
ISL6333, ISL6333A, ISL6333B, ISL6333C
OFS
OFS
L
L
L
S
SET
SET
= 10k to ground, (Note 3)
= 100pF, R
= 100pF, Load = ±400µA, (Note 3)
= 100kΩ
= 40.2kΩ, V
= 40.2kΩ, V
= 32.4kΩ from OFS to VCC
= 6.04kΩ from OFS to GND
TEST CONDITIONS
L
= 10k to ground,
ISEN1
ISEN1+
= V
= V
ISEN2
ISEN2+
= 24mV
= 0V
0.48*VDAC
0.02*VDAC
0.156
-52.0
0.84
47.0
4.00
1.15
77.5
1.10
MIN
-0.5
-1.0
-2.0
-2.5
120
120
170
0.8
0.8
96
88
-
-
-
-
-
-
-
0.503*VDAC
0.084*VDAC
1.127
4.196
1.231
1.274
-50.3
TYP
1.50
0.86
48.7
81.2
104
100
140
138
195
96
40
20
0
-
-
-
-
-
-
-
-
0.525*VDAC
0.15*VDAC
-48.0
MAX
0.88
51.0
1.60
1.37
6.25
1.16
120
160
222
110
160
0.5
1.0
2.0
0.4
0.4
2.5
85
-
-
-
-
-
-
-
April 10, 2008
UNITS
mV/µs
mV/µs
MHz
V/µs
FN6520.0
mV
µA
µA
dB
µA
µA
µA
µA
µA
µA
%
%
%
V
V
V
V
V
V
V
V
V
V
V