ISL6313 INTERSIL [Intersil Corporation], ISL6313 Datasheet - Page 7

• Manufacturer Part Number: ISL6313
• Description: Two-Phase Buck PWM Controller with Integrated MOSFET Drivers for Intel VR11 and AMD Applications
• Manufacturer: INTERSIL [Intersil Corporation]

Electrical Specifications
System Accuracy (0.375V to 0.600V)
DAC Input Low Voltage (INTEL)
DAC Input High Voltage (INTEL)
DAC Input Low Voltage (AMD)
DAC Input High Voltage (AMD)
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
IOUT Current Sense Offset
IOUT Current Sense Gain
(ISL6313CRZ)
IOUT Current Sense Gain
(ISL6313IRZ)
OVERCURRENT PROTECTION
Overcurrent Trip Level - Average
Channel
Overcurrent Trip Level - Individual
Channel
IOUT Pin Overcurrent Trip Level
PROTECTION
Undervoltage Threshold
Undervoltage Hysteresis
Overvoltage Threshold During Soft-
Start
Overvoltage Threshold
PARAMETER
7
Recommended Operating Conditions, Unless Otherwise Specified. (Continued)
R
R
R
C
(Note 3)
C
Load = 1mA
Load = -1mA
R
R
0V
R
24mV
R
24mV
Normal operation (ISL6313CRZ)
Normal operation (ISL6313IRZ)
Dynamic VID change
Normal operation
Dynamic VID change
VSEN falling
VSEN rising
VR11 and AMD
VR11, VSEN rising
AMD, VSEN rising
OFS
OFS
L
L
L
S
SET
SET
SET
= 10k to ground, (Note 3)
= 100pF, R
= 100pF, Load = ±400µA, (Note 3)
= 100kΩ
= 40.2kΩ, V
= 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
ISEN1
= V
= V
ISL6313
ISL6313
= V
ISEN2
ISEN2
ISEN2+
=
=
=
VDAC + 150mV
VDAC + 200mV
VDAC - 325mV
0.156
1.220
47.0
47.0
3.90
1.97
MIN
-2.0
-2.5
114
114
166
0.8
1.4
76
73
88
82
85
-
-
-
-
-
-
-
VDAC - 350mV VDAC - 375mV
VDAC +
VDAC +
175mV
225mV
1.260
TYP
50.0
50.0
4.20
1.30
1.26
2.02
100
100
140
140
196
100
96
40
20
80
80
0
-
-
-
-
-
-
VDAC + 200mV
VDAC + 250mV
1.300
MAX
53.0
53.0
1.52
6.25
2.07
112
118
166
166
226
125
2.0
0.4
0.8
2.5
84
84
-
-
-
-
-
-
-
March 5, 2007
FN6448.0
UNITS
mV/µs
mV/µs
MHz
V/µs
mV
µA
µA
dB
µA
µA
µA
µA
µA
µA
µA
µA
%
V
V
V
V
V
V
V
V
V
V
V