参数资料
型号: ISL6323BCRZ
厂商: Intersil
文件页数: 10/36页
文件大小: 0K
描述: IC PWM CTRLR SYNC BUCK DL 48QFN
标准包装: 43
应用: 控制器,AMD SVI
输入电压: 5 V ~ 12 V
输出数: 2
输出电压: 最高 2V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 48-VFQFN 裸露焊盘
供应商设备封装: 48-QFN(7x7)
包装: 管件
ISL6323B
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Specified. (Continued)
MIN
MAX
PARAMETER
TEST CONDITIONS
(Note 3)
TYP
(Note 3)
UNITS
PIN_ADJUSTABLE OFFSET
OFS Source Current Accuracy (Positive Offset)
OFS Sink Current Accuracy (Negative Offset)
R OFS = 10k Ω (±0.1%) from OFS to GND
R OFS = 30k Ω (±0.1%) from OFS to VCC
27.5
50.5
31
53.5
34.5
56.5
μA
μA
REFERENCE AND DAC
System Accuracy (VDAC > 1.000V)
System Accuracy (0.600V < VDAC < 1.000V)
System Accuracy (VDAC < 0.600V)
DVC Voltage Gain
VDAC = 1V
-0.6
-1.0
-2.0
2.0
0.6
1.0
2.0
%
%
%
V
APA Current Tolerance
V APA = 1V
90
100
108
μA
ERROR AMPLIFIER
DC Gain
Gain-Bandwidth Product (Note 4)
Slew Rate (Note 4)
R L = 10k to ground (Note 4)
C L = 100pF, R L = 10k to ground (Note 4)
C L = 100pF, Load = ±400μA (Note 4)
96
20
8
dB
MHz
V/μs
Maximum Output Voltage
Load = 1mA
3.80
4.20
V
Minimum Output Voltage
Load = -1mA
1.3
1.6
V
SOFT-START RAMP
Soft-Start Ramp Rate
2.2
3.0
4.0
mV/μs
PWM OUTPUTS
PWM Output Voltage LOW Threshold
PWM Output Voltage HIGH Threshold
I LOAD = ±500μA
I LOAD = ±500μA
4.5
0.5
V
V
CURRENT SENSING - CORE CONTROLLER
Sensed Current Tolerance
V ISENn- -V ISENn+ = 23.2mV, R SET = 37.6k Ω ,
68
88
μA
4 Phases, T A = +25°C
CURRENT SENSING - NB CONTROLLER
Sensed Current Tolerance
V ISEN_NB- - V ISEN_NB+ = 23.2mV,
R SET = 37.6k Ω , 4 Phases, T A = +25°C
68
89
μA
DROOP CURRENT
Tolerance
V ISENn- - V ISENn+ = 23.2mV, R SET = 37.6k Ω ,
68
88
μA
4 Phases, T A = +25°C
OVERCURRENT PROTECTION
Overcurrent Trip Level - Average Channel
Normal Operation, R SET = 28.2k Ω
87
100
120
μA
Dynamic VID Change (Note 4)
130
μA
Overcurrent Limiting - Individual Channel
Normal Operation, R SET = 28.2k Ω
Dynamic VID Change (Note 4)
142
190
μA
μA
POWER GOOD
Core Overvoltage Threshold
Core Undervoltage Threshold
NB Undervoltage Threshold
VSEN Rising
VSEN Falling
ISEN_NB+ falling
VDAC
+225mV
VDAC
-325mV
VDAC
VDAC +
250mV
VDAC
-300mV
VDAC
VDAC
+275mV
VDAC
-270mV
VDAC
Power Good Hysteresis
10
-310mV
-275mV
50
-235mV
mV
FN6879.1
May 12, 2010
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