ISL6558 Intersil Corporation, ISL6558 Datasheet - Page 7

• Manufacturer Part Number: ISL6558
• Description: Multi-Purpose Precision Multi-Phase PWM Controller With Optional Active Voltage Positioning
• Manufacturer: Intersil Corporation

Electrical Specifications
DROOP
POWER GOOD MONITOR
Undervoltage Threshold
Undervoltage Threshold
PGOOD Low Output Voltage
PROTECTION
Overvoltage Threshold
Percent Overvoltage Hysteresis
FIGURE 1. SIMPLIFIED BLOCK DIAGRAM OF THE ISL6558 VOLTAGE AND CURRENT CONTROL LOOPS CONFIGURED FOR A TWO
I
0.8V
DROOP
FB
PARAMETER
CHANNEL CONVERTER
AMPLIFIER
-
+
ERROR
CORRECTION
CORRECTION
+
+
7
-
-
Operating Conditions: V
∑
∑
∑
∑
-
-
I
TOTAL
+
+
V
V
ERROR1
VSEN Rising
VSEN Falling
I
VSEN Rising, ISL6558CB, ISL6558CR, T
VSEN Rising, ISL6558IB, ISL6558IR, T
VSEN Falling after Overvoltage
ERROR2
PGOOD
AVERAGING
= 4mA
CURRENT
CC
CIRCUIT
CIRCUIT
PWM
PWM
= 5V, T
CURRENT
CURRENT
SENSING
SENSING
ISL6558
TEST CONDITIONS
A
= -40
o
C to 85
PWM1
PWM2
ISEN1
ISEN2
A
o
A
= -40
R
C. Unless Otherwise Specified. (Continued)
OS
= 0
HIP6601B
o
o
HIP6601B
C to 70
C to 85
R
FB
R
R
ISEN2
ISEN1
o
o
C
C
Q2
Q4
V
V
IN
IN
Q1
Q3
PHASE
1.085
PHASE
1.12
MIN
-
-
-
-
L
I
01
L1
L
I
02
L2
TYP
0.92
0.90
0.18
1.15
1.15
2
V
MAX
C
OUT
0.4
1.2
1.2
OUT
-
-
-
UNITS
V
V
V
V
R
REF
REF
REF
REF
%
V
LOAD