參數(shù)資料
型號: ISL6558
廠商: Intersil Corporation
英文描述: Multi-Purpose Precision Multi-Phase PWM Controller With Optional Active Voltage Positioning
中文描述: 多功能精密多相位PWM控制器,帶有可選的有源電壓定位
文件頁數(shù): 7/16頁
文件大小: 474K
代理商: ISL6558
7
FN9027.12
June 21, 2005
POWER GOOD MONITOR
Undervoltage Threshold
VSEN Rising
-
0.92
-
V
REF
Undervoltage Threshold
VSEN Falling
-
0.90
-
V
REF
PGOOD Low Output Voltage
I
PGOOD
= 4mA
-
0.18
0.4
V
PROTECTION
Overvoltage Threshold
VSEN Rising, ISL6558CB, ISL6558CR, T
A
= 0°C to 70°C
1.12
1.15
1.2
V
REF
VSEN Rising, ISL6558IB, ISL6558IR, T
A
= -40°C to 85°C
1.085
1.15
1.2
V
REF
Percent Overvoltage Hysteresis (GNT)
VSEN Falling after Overvoltage
-
2
-
%
GBD = Guaranteed By Design
GNT = Guranteed Not Tesed
Electrical Specifications
Operating Conditions: V
CC
= 5V, T
A
= -40°C to 85°C. Unless Otherwise Specified.
(Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
CURRENT
SENSING
+
R
ISEN1
+
CORRECTION
ERROR
AMPLIFIER
FB
ISEN1
R
FB
V
OUT
Q3
Q4
L
02
PHASE
PWM1
I
L2
0.8V
C
OUT
R
LOAD
V
IN
HIP6601B
-
Q1
Q2
L
01
PHASE
I
L1
V
IN
HIP6601B
CURRENT
SENSING
CORRECTION
PWM2
-
I
TOTAL
+
+
+
-
R
ISEN2
ISEN2
-
-
CURRENT
AVERAGING
FIGURE 1. SIMPLIFIED BLOCK DIAGRAM OF THE ISL6558 VOLTAGE AND CURRENT CONTROL LOOPS CONFIGURED FOR A TWO
CHANNEL CONVERTER
DROOP
R
OS
PWM
CIRCUIT
PWM
CIRCUIT
V
ERROR1
V
ERROR2
I
DROOP
ISL6558
相關(guān)PDF資料
PDF描述
ISL6558CB PWM Controller with Wide Input Voltage Range 8-SOIC -40 to 85
ISL6558CBZ Multi-Purpose Precision Multi-Phase PWM Controller With Optional Active Voltage Positioning
ISL6558CBZA Multi-Purpose Precision Multi-Phase PWM Controller With Optional Active Voltage Positioning
ISL6558CBZA-T Multi-Purpose Precision Multi-Phase PWM Controller With Optional Active Voltage Positioning
ISL6558CR PWM Controller with Wide Input Voltage Range 8-PDIP -40 to 85
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