ISL6313B Intersil Corporation, ISL6313B Datasheet - Page 7

• Manufacturer Part Number: ISL6313B
• Description: Two-Phase Buck PWM Controller
• Manufacturer: Intersil Corporation

Electrical Specifications
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
(ISL6313BCRZ)
IOUT Current Sense Gain
(ISL6313BIRZ)
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
Overvoltage Hysteresis
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PARAMETER
7
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)
R
R
R
C
(Note 3)
C
Load = 1mA
Load = -1mA
R
R
R
R
Normal operation (ISL6313BCRZ)
Normal operation (ISL6313BIRZ)
Dynamic VID change
Normal operation
Dynamic VID change
VSEN falling
VSEN rising
VR11 and AMD
VR11, VSEN rising
AMD, VSEN rising
VSEN falling
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
ISL6313B
ISL6313B
= V
= V
= V
ISEN2
ISEN2
ISEN2+
= 24mV
= 24mV
= 0V
VDAC + 150mV VDAC + 175mV VDAC + 200mV
VDAC + 200mV VDAC + 225mV VDAC + 250mV
VDAC - 325mV VDAC - 350mV VDAC - 375mV
0.156
1.220
47.0
47.0
3.90
1.97
MIN
-2.5
114
114
166
1.4
0.8
76
73
88
82
85
-
-
-
-
-
-
-
1.260
TYP
50.0
50.0
4.20
1.30
1.26
2.02
100
100
140
140
196
100
100
96
40
20
80
80
0
-
-
-
-
1.300
MAX
53.0
53.0
1.52
6.25
2.07
166
166
226
125
112
118
0.8
2.5
84
84
-
-
-
-
-
-
-
-
November 6, 2008
FN6809.0
UNITS
mV/µs
mV/µs
MHz
V/µs
mV
mV
µA
µA
dB
µA
µA
µA
µA
µA
µA
µA
µA
V
V
V
V
V
V
V
V
V
V