参数资料
型号: ISL6328IRZ-T
厂商: Intersil
文件页数: 10/33页
文件大小: 0K
描述: IC CTRLR PWM SYNC BUCK DL 48QFN
标准包装: 4,000
应用: 控制器,AMD SVI
输入电压: 5 V ~ 12 V
输出数: 2
输出电压: 0.0125 V ~ 1.55 V
工作温度: -40°C ~ 85°C
安装类型: *
封装/外壳: *
供应商设备封装: *
包装: *
ISL6328
Electrical Specifications
Boldface limits apply over the operating temperature range. (Continued)
MIN
MAX
PARAMETER
TEST CONDITIONS
(Note 6)
TYP
(Note 6)
UNITS
PIN ADJUSTABLE OFFSET
OFS Source Current Accuracy (Positive Offset)
OFS Sink Current Accuracy (Negative Offset)
0.29
VCC-1.7
0.32
VCC-1.56
V
V
REFERENCE AND DAC
System Accuracy (VDAC > 1.000V)
System Accuracy (0.600V < VDAC < 1.000V)
System Accuracy (VDAC < 0.600V)
-0.6
-1.0
-2.0
+0.6
+1.0
+2.0
%
%
%
GATE VOLTAGE OPTIMIZATION
GVOT Voltage
PVCC = 12V, I GVOT = 50mA
5.75
V
ERROR AMPLIFIER
DC Gain
Gain-Bandwidth Product (Note 7)
Slew Rate (Note 7)
R L = 10k to ground, (Note 7)
C L = 100pF, R L = 10k to ground, (Note 7)
C L = 100pF, Load = ±400μA, (Note 7)
96
20
8
dB
MHz
V/μs
Maximum Output Voltage
Load = 500μA
3.8
4.2
V
Minimum Output Voltage
FB_PSI Impedance
Load = -500μA
Impedance Between FB and FB_PSI
1.4
60
1.65
V
Ω
SOFT-START RAMP
Soft-Start Slew Rate (SR SS ) and VID-On-The-Fly Slew
Rate (SR VOF )
2.5
3
3.8
mV/μs
PWM OUTPUTS
PWM Output Voltage LOW
PWM Output Voltage HIGH
I LOAD = ±500μA
I LOAD = ±500μA
4.0
0.35
V
V
PWM Tri-State Output Voltage
I LOAD = 100μA
1.5
2
2.7
V
DROOP CURRENT
Core Tolerance
North Bridge Tolerance
4 Phases Active, R ISENn = 100 Ω , ISENn = 80 μ A
R ISEN_NB = 100 Ω , I ISEN_NB = 100 μ A
67
67
75
75
85
83
μA
μA
CORE OVERCURRENT PROTECTION
Instant Overcurrent Trip Level - I DROOP
Instant Overcurrent Trip Level - I SEN_AVG
Delayed Overcurrent Trip Level - I SEN_AVG
Overcurrent Trip Level - Individual Channel
OCP Pin Current
(Note 7)
(Note 7)
Delayed OCP Level Tripped
115
131
141
150
100
170
20
166
178
μA
μA
μA
μA
μA
OCP Pin Voltage Trip
Delayed OCP Level Tripped
1.95
2.05
2.15
V
NORTH BRIDGE OVERCURRENT PROTECTION
Overcurrent Trip Level - I SEN_NB
82
141
μA
Overcurrent Trip Level - I DROOP_NB
Overcurrent Trip Level - I DROOP_NB
ISL6328CRZ
ISL6328IRZ
80
76
128
128
μA
μA
10
FN7621.1
June 7, 2011
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