参数资料
型号: ISL6333ACRZ
厂商: Intersil
文件页数: 14/40页
文件大小: 0K
描述: IC CTRLR PWM 3PHASE BUCK 48-QFN
标准包装: 43
应用: 控制器,Intel VR11
输入电压: 5 V ~ 12 V
输出数: 1
输出电压: 0.5 V ~ 1.6 V
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
ISL6333, ISL6333A, ISL6333B, ISL6333C
Electrical Specifications
Recommended Operating Conditions. Boldface limits apply over the operating temperature range. (Continued)
MIN
MAX
PARAMETER
Oscillator Ramp Amplitude, V P-P
(Note 3)
TEST CONDITIONS
(Note 4)
-
TYP
1.50
(Note 4)
-
UNITS
V
CONTROL THRESHOLDS
EN Rising Threshold
EN Hysteresis
0.84
96
0.86
104
0.88
120
V
mV
REFERENCE AND DAC
System Accuracy (1.000V to 1.600V)
System Accuracy (0.600V to 1.000V)
System Accuracy (0.400V to 0.600V)
DAC Input Low Voltage
DAC Input High Voltage
-0.5
-1.0
-2.0
-
0.8
-
-
-
-
-
0.5
1.0
2.0
0.4
-
%
%
%
V
V
PSI# INPUT
PSI# Input Low Voltage Threshold
PSI# Input High Voltage Threshold
-
0.8
-
-
0.4
-
V
V
PIN-ADJUSTABLE OFFSET
OFS Sink Current Accuracy
R OFS = 32.4k Ω from OFS to VCC
-52.0
-50.3
-48.0
μA
(Negative Offset)
OFS Source Current Accuracy
R OFS = 6.04k Ω from OFS to GND
47.0
48.7
51.0
μA
(Positive Offset)
ERROR AMPLIFIER
DC Gain
Gain-Bandwidth Product
R L = 10k to ground, (Note 3)
C L = 100pF, R L = 10k to ground,
-
-
96
40
-
-
dB
MHz
(Note 3)
Slew Rate
Maximum Output Voltage
Minimum Output Voltage
C L = 100pF, Load = ±400μA, (Note 3)
Load = 1mA
Load = -1mA
-
4.00
-
20
4.196
1.231
-
-
1.60
V/μs
V
V
SOFT-START RAMP
Soft-Start Ramp Rate
Adjustment Range of Soft-Start Ramp
R S = 100k Ω
(Note 3)
1.15
0.156
1.274
-
1.37
6.25
mV/μs
mV/μs
Rate
CURRENT SENSING
IDROOP Current Sense Offset
IDROOP Current Sense Gain
R SET = 40.2k Ω, V ISEN1+ = V ISEN2+ = 0V
R SET = 40.2k Ω, V ISEN1 = V ISEN2 = 24mV
-2.5
77.5
0
81.2
2.5
85
μA
μA
OVERCURRENT PROTECTION
Overcurrent Trip Level - Average
Channel
Overcurrent Trip Level - Individual
Channel
IMON Pin Clamped Overcurrent Level
Normal operation
Dynamic VID change
Normal operation
Dynamic VID change
88
120
120
170
1.1
100
140
138
195
1.127
110
160
160
222
1.15
μA
μA
μA
μA
V
OVERVOLTAGE AND UNDERVOLTAGE PROTECTION
Undervoltage Threshold
Undervoltage Hysteresis
VSEN falling
VSEN rising
0.48*VDAC
0.02*VDAC
0.503*VDAC
0.084*VDAC
0.525*VDAC
0.15*VDAC
V
V
14
FN6520.3
October 8, 2010
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