參數(shù)資料
型號(hào)： ISL6556A
廠商： Intersil Corporation
英文描述： Optimized Multi-Phase PWM Controller with 6-Bit DAC for VR10.X Application
中文描述： 優(yōu)化的多相位6位DAC的VR10.X PWM控制器的應(yīng)用
文件頁(yè)數(shù)： 8/24頁(yè)
文件大?。?/td> 702K
代理商： ISL6556A
8
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
-
80
-
dB
Open-Loop Bandwidth
C
L
= 100pF, R
L
= 10k
to ground
-
18
-
MHz
Slew Rate
C
L
= 100pF
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
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
-
-
0.4
V
Undervoltage Offset From VID
VSEN Falling
72
74
76
%VID
Overvoltage Threshold
Voltage above VID, After Soft Start (Note 6)
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
ISL6556A
相關(guān)PDF資料
PDF描述
ISL6556ACB PWM Controller with Wide Input Range 8-SO -25 to 85
ISL6556ACBZ PWM Controller with Wide Input Range 8-SOIC -40 to 85
ISL6556ACR Optimized Multi-Phase PWM Controller with 6-Bit DAC for VR10.X Application
ISL6556ACR-T Optimized Multi-Phase PWM Controller with 6-Bit DAC for VR10.X Application
ISL6556ACRZ Optimized Multi-Phase PWM Controller with 6-Bit DAC for VR10.X Application
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ISL6556ACBZ-T 功能描述:IC CTRLR MULTIPHASE VRM10 28SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標(biāo)準(zhǔn)包裝:43 系列:- 應(yīng)用:控制器，Intel VR11 輸入電壓:5 V ~ 12 V 輸出數(shù):1 輸出電壓:0.5 V ~ 1.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:48-QFN（7x7） 包裝:管件
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