參數(shù)資料
型號(hào)： ISL6556BCR-T
廠商： INTERSIL CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature Compensation for VR10.X Application
中文描述： SWITCHING CONTROLLER, 1500 kHz SWITCHING FREQ-MAX, PQCC32
封裝： 5 X 5 MM, PLASTIC, MO-220VHHD-2, QFN-32
文件頁(yè)數(shù)： 8/24頁(yè)
文件大小： 692K
代理商： ISL6556BCR-T
8
FN9097.4
December 28, 2004
PIN-ADJUSTABLE OFFSET
Voltage at OFS pin
Offset resistor connected to ground
485
500
515
mV
VCC = 5.00V, offset resistor connected to VCC
2.91
3.00
3.09
V
OSCILLATOR
Accuracy
R
T
= 100k
-10
-
10
%
Adjustment Range
0.08
-
1.5
MHz
Sawtooth Amplitude
-
1.5
-
V
Max Duty Cycle
-
66.7
-
%
ERROR AMPLIFIER
Open-Loop Gain
R
L
= 10k
to ground
C
L
= 100pF, R
L
= 10k
to ground
C
L
= 100pF
-
80
-
dB
Open-Loop Bandwidth
-
18
-
MHz
Slew Rate
4.5
6.0
7.5
V/
μ
s
Maximum Output Voltage
4.0
4.3
-
V
Output High Voltage @ 2mA
3.7
-
-
V
Output Low Voltage @ 2mA
-
-
1.35
V
REMOTE-SENSE AMPLIFIER
Bandwidth
-
20
-
MHz
Output High Current
VSEN - RGND = 2.5V
-500
-
500
μ
A
Output High Current
VSEN - RGND = 0.6
-500
-
500
μ
A
PWM OUTPUT
PWM Output Voltage LOW Threshold
Iload = ±500
μ
A
-
-
0.3
V
PWM Output Voltage HIGH Threshold
Iload = ±500
μ
A
4.3
-
-
V
TEMPERATURE COMPENSATION
Temperature Compensation Current @ 40
°C
and
Tcomp = 0.5V
10
15
20
μ
A
Temperature Compensation Transconductance
-
1
-
1
μ
A/V
/
°C
SENSE CURRENT
Sensed Current Tolerance
ISEN1 = ISEN2 = ISEN3 = ISEN4 = 80
μ
A, 0°C to 105°C
74
81
91
μ
A
Overcurrent Trip Level
98
110
122
μ
A
POWER GOOD AND PROTECTION MONITORS
PGOOD Low Voltage
I
PGOOD
= 4mA
VSEN Falling
-
-
0.4
V
Undervoltage Offset From VID
72
74
76
%VID
Overvoltage Threshold
Voltage above VID, after Soft-Start (Note 5)
180
200
220
mV
Before Enable
-
1.63
-
V
VCC < POR Threshold
1.7
1.8
1.87
V
Overvoltage Reset Voltage
VCC
≥
POR Threshold, VSEN Falling
-
0.6
-
V
VCC < POR Threshold
-
1.5
-
V
OVP Drive Voltage
I
OVP
= -100mA, VCC = 5V
-
1.9
-
V
Minimum VCC for OVP
1.4
-
-
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.
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
ISL6556B
相關(guān)PDF資料
PDF描述
ISL6556BCBZA-T Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature Compensation for VR10.X Application
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ISL6556BCRZ Optimized Multi-Phase PWM Controller with 6-Bit DAC and Programmable Internal Temperature Compensation for VR10.X Application
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