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ISL6560 Datasheet, PDF (4/14 Pages) Intersil Corporation – Microprocessor CORE Voltage Regulator Two-Phase Buck PWM Controller
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ISL6560
Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted
PARAMETER
SYMBOL
TEST CONDITIONS
Input Bias Current
Maximum Output Voltage
Output Disable Threshold
FB Low Foldback Threshold
-3dB Bandwidth
CURRENT SENSE
IFB
VCOMP(MAX) FB Forced to VOUT - 3%
VCOMP(OFF)
VFB(LOW)
BWERR COMP = Open
Threshold Voltage
VCS(TH)
CS+ = VCC, FB Forced to VOUT - 3%
0.8 ≤ COMP ≤ 1V
Current Limit Foldback Voltage
∆VCOMP/∆VCS
Input Bias Current
Response Time
POWER GOOD COMPARATOR
VCS(FOLD)
ni
ICS+, ICS-
tCS
FB ≤ 375mV
1 V ≤ VCOMP ≤ 3V
CS+ = CS- = VCC
CS+ - (CS-) ≥ 172mV to PWM Going Low
Undervoltage Threshold
Overvoltage Threshold
Output Voltage Low
Response Time
VPWRGD(UV) Percent of Nominal Output
VPWRGD(OV) Percent of Nominal Output
VOL(PWRGD) IPWRGD(SINK) = 100µA
FB Going High
Response Time
FB Going Low
PWM OUTPUTS
Output Voltage Low
Output Voltage High
Output Current
Duty Cycle Limit, by Design
VOL(PWM)
VOH(PWM)
IPWM
DMAX
IPWM(SINK) = 400µA
IPWM(SOURCE) = 400µA
Per Phase, Relative to fCT
MIN TYP MAX UNITS
-
5
100
nA
-
3.0
-
V
560
720
800
mV
375
425
500
mV
-
500
-
kHz
142
157
172
mV
-
0
15
mV
75
95
115
mV
-
12.5
-
V/V
-
0.5
5.0
µA
-
50
-
ns
76
82
88
%
114
124
134
%
-
30
200
mV
-
2
-
µs
-
200
-
ns
-
100
500
mV
4.5
5.0
5.5
V
0.4
1
-
mA
-
-
50
%
.
TABLE 1. VOLTAGE IDENTIFICATION CODES
VID4
VID3
VID2
VID1
VID0 VDAC
1
1
1
1
1
Off
1
1
1
1
0
1.100
1
1
1
0
1
1.125
1
1
1
0
0
1.150
1
1
0
1
1
1.175
1
1
0
1
0
1.200
1
1
0
0
1
1.225
1
1
0
0
0
1.250
1
0
1
1
1
1.275
1
0
1
1
0
1.300
1
0
1
0
1
1.325
1
0
1
0
0
1.350
1
0
0
1
1
1.375
1
0
0
1
0
1.400
1
0
0
0
1
1.425
1
0
0
0
0
1.450
0
1
1
1
1
1.475
0
1
1
1
0
1.500
TABLE 1. VOLTAGE IDENTIFICATION CODES (Continued)
VID4
VID3
VID2
VID1
VID0 VDAC
0
1
1
0
1
1.525
0
1
1
0
0
1.550
0
1
0
1
1
1.575
0
1
0
1
0
1.600
0
1
0
0
1
1.625
0
1
0
0
0
1.650
0
0
1
1
1
1.675
0
0
1
1
0
1.700
0
0
1
0
1
1.725
0
0
1
0
0
1.750
0
0
0
1
1
1.775
0
0
0
1
0
1.800
0
0
0
0
1
1.825
0
0
0
0
0
1.850
4
FN9011.3
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