参数资料
| 型号： | ISL6556ACBZ-T |
| 厂商： | Intersil |
| 文件页数： | 8/25页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR MULTIPHASE VRM10 28SOIC |
| 标准包装： | 1,000 |
| 应用： | 控制器，Intel VR10X |
| 输入电压： | 3 V ~ 12 V |
| 输出数： | 4 |
| 输出电压： | 0.84 V ~ 1.6 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 带卷 (TR) |
ISL6556A
Electrical Specifications
Operating Conditions: VCC = 5V or ICC < 25mA (Note 4), T J = 0°C to 105°C.
Unless Otherwise Specified. (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
PIN-ADJUSTABLE OFFSET
Voltage at OFS pin
Offset resistor connected to ground
VCC=5.00V, offset resistor connected to VCC
485
2.91
500
3.00
515
3.09
mV
V
OSCILLATOR
Accuracy
Adjustment Range
Sawtooth Amplitude
Max Duty Cycle
R T = 100k Ω
-10
0.08
-
-
-
-
1.5
66.7
10
1.5
-
-
%
MHz
V
%
ERROR AMPLIFIER
Open-Loop Gain
Open-Loop Bandwidth
Slew Rate
Maximum Output Voltage
Output High Voltage @ 2mA
Output Low Voltage @ 2mA
R L = 10k Ω to ground
C L = 100pF, R L = 10k Ω to ground
C L = 100pF
-
-
4.5
4.0
3.7
-
80
18
6.0
4.3
-
-
-
-
7.5
-
-
1.35
dB
MHz
V/ μ s
V
V
V
REMOTE-SENSE AMPLIFIER
Bandwidth
-
20
-
MHz
Output High Current
Output High Current
VSEN - RGND = 2.5V
VSEN - RGND = 0.6
-500
-500
-
-
500
500
μ A
μ A
PWM OUTPUT
PWM Output Voltage LOW Threshold
PWM Output Voltage HIGH Threshold
Iload = ±500 μ A
Iload = ±500 μ A
-
4.3
-
-
0.3
-
V
V
SENSE CURRENT
Sensed Current Tolerance
Overcurrent Trip Level
ISEN1 = ISEN2 = ISEN3 = ISEN4 = 80 μ A, 0°C to 105°C
74
98
81
110
91
122
μ A
μ A
POWER GOOD AND PROTECTION MONITORS
PGOOD Low Voltage
Undervoltage Offset From VID
Overvoltage Threshold
Overvoltage Reset Voltage
OVP Drive Voltage
Minimum VCC for OVP
I PGOOD = 4mA
VSEN Falling
Voltage above VID, After Soft Start (Note 6)
Before Enable
VCC < POR Threshold
VCC ≥ POR Threshold, VSEN Falling
VCC < POR Threshold
I OVP = -100mA, VCC = 5V
-
72
180
-
1.7
-
-
-
1.4
-
74
200
1.63
1.8
0.6
1.5
1.9
-
0.4
76
220
-
1.87
-
-
-
-
V
%VID
mV
V
V
V
V
V
V
NOTES:
4. When using the internal shunt regulator, VCC is clamped to 6.02V (max). Current must be limited to 25mA or less.
5. These parts are designed and adjusted for accuracy with all errors in the voltage loop included.
6. During soft start, VDAC rises from 0 to VID. The overvoltage trip level is the higher of 1.7V and VDAC + 0.2V.
8
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