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ISL8200AM Datasheet PDF : 24 Pages
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ISL8200AM
Electrical Specifications Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
(Note 7) (Note 6) (Note 7) UNITS
FREQUENCY SYNCHRONIZATION AND PHASE LOCK LOOP (Note 7)
Synchronization Frequency
PLL Locking Time
Input Signal Duty Cycle Range
VCC = 5.4V
VCC = 5.4V; FSW = 700kHz
FOSC
1500 kHz
210
µs
10
90
%
PWM (Note 7)
Minimum PWM OFF Time
Current Sampling Blanking Time
OUTPUT CHARACTERISTICS
tMIN_OFF
tBLANKING
310
345
410
ns
175
ns
Output Continuous Current Range
Line Regulation Accuracy
Load Regulation Accuracy
Output Ripple Voltage
DYNAMIC CHARACTERISTICS
IOUT(DC)
PVIN = VIN = 12V, VOUT = 1.2V
0
ΔVOUT/ΔVIN VOUT = 1.2V, IOUT = 0A, PVIN = VIN = 3.5V to 20V
VOUT = 1.2V, IOUT = 10A, PVIN = VIN = 5V to 20V
ΔVOUT/ΔIOUT IOUT = 0A to 10A, VOUT = 1.2V, PVIN = VIN = 12V
ΔVOUT
IOUT = 10A, VOUT = 1.2V, PVIN = VIN = 12V
IOUT = 0A, VOUT = 1.2V, PVIN = VIN = 12V
0.15
0.15
0.1
27
19
10
A
%
%
%
mVP-P
mVP-P
Voltage Change For Positive Load Step
ΔVOUT-DP
IOUT = 0A to 5A. Current slew rate = 2.5A/µs,
45
PVIN = VIN = 12V, VOUT = 1.2V
Voltage Change For Negative Load
ΔVOUT-DN
IOUT = 5A to 0A. Current slew rate = 2.5A/µs,
55
Step
PVIN = VIN = 12V, VOUT = 1.2V
REFERENCE (Note 7)
mVP-P
mVP-P
Reference Voltage (Include Error and
Differential Amplifiers’ Offsets)
VREF
0.6
V
-0.75
0.75
%
DIFFERENTIAL AMPLIFIER (Note 7)
DC Gain
UG_DA
Unity Gain Amplifier
0
dB
Unity Gain Bandwidth
UGBW_DA
5
MHz
VSEN+ Pins Input Current
Maximum Source Current for Current
Sharing
IVSEN+
0.2
1.16
2.5
µA
IVSEN1-
VSEN1- Source Current for Current Sharing
when parallel multiple modules each of which
350
µA
has its own voltage loop
Input Impedance
RVSEN+_to
_VSEN-
VVSEN+/IVSEN+, VVSEN+ = 0.6V
-500
kΩ
Output Voltage Swing
Input Common Mode Range
Disable Threshold
OVERCURRENT PROTECTION (Note 7)
VVSEN-
VMON1 = Tri-State
0
VCC - 1.8
V
-0.2
VCC - 1.8
V
VCC - 0.4
V
Channel Overcurrent Limit
Channel Overcurrent Limit
Share Pin OC Threshold
CURRENT SHARE
ISOURCE
ISOURCE
VOC_ISHARE
VCC = 2.97V to 5.6V
VCC = 5V;
Comparator offset included
111
µA
89
111
129
µA
1.16
1.20
1.22
V
External Current Share Accuracy
Up to 3 phases
±10
%
POWER GOOD MONITOR (Note 7)
Undervoltage Falling Trip Point
Undervoltage Rising Hysteresis
Overvoltage Rising Trip Point
VUVF
VUVR_HYS
VOVR
Percentage Below Reference Point
Percentage Above UV Trip Point
Percentage Above Reference Point
-15
-13
-11
%
4
%
11
13
15
%
8
FN8271.2
September 13, 2012
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