isl8120 Intersil Corporation, isl8120 Datasheet - Page 16

• Manufacturer Part Number: isl8120
• Description: Dual/n-phase Buck Pwm Controller With Integrated Drivers
• Manufacturer: Intersil Corporation

Electrical Specifications
Maximum Source Current for Current
Sharing (Typicall Application VIII) (Note 3)
Input Impedance
Output Voltage Swing (Note 3)
Input Common Mode Range (Note 3)
Disable Threshold (Note3)
GATE DRIVERS
Upper Drive Source Resistance
Upper Drive Sink Resistance
Lower Drive Source Resistance
Lower Drive Sink Resistance
OVERCURRENT PROTECTION
Channel Overcurrent Limit (Note 3)
Channel Overcurrent Limit
Share Pin OC Threshold
Share Pin OC Hysteresis (Note 3)
CURRENT SHARE
Internal Balance Accuracy (Note 3)
Internal Balance Accuracy (Note 3
External Current Share Accuracy (Note 3)
POWER GOOD MONITOR
Undervoltage Falling Trip Point
Undervoltage Rising Hysteresis
Overvoltage Rising Trip Point
Overvoltage Falling Hysteresis
PGOOD Low Output Voltage
Sinking Impedance
Maximum Sinking Current (Note 3)
OVERVOLTAGE PROTECTION
OV Latching Up Trip Point
OV Non-Latching Up Trip Point (Note 3)
LGATE Release Trip Point
OVER-TEMPERATURE PROTECTION
Over-Temperature Trip (Note 3)
Over-Temperature Release Threashold
(Note 3)
PARAMETER
16
Recommended Operating Conditions, Unless Otherwise Noted (Continued)
V
OC_SET_HYS
R
SYMBOL
V
V
V
I
I
R
R
R
R
I
VSEN+_to
SOURCE
SOURCE
V
_VSEN-
UVR_HYS
OVF_HYS
VSEN1-
OC_SET
UGATE
UGATE
V
LGATE
LGATE
V
VSEN-
OVR
UVF
VSEN1- Source Current for Current
Sharing when parallel multiple modules
each of which has its own voltage loop
V
45mA Source Current
45mA Sink Current
45mA Source Current
45mA Sink Current
VCC = 2.97V to 5.6V
VCC = 5V; ISL8120CRZ
VCC = 5V; ISL8120IRZ
VCC = 2.97V to 5.6V
(comparator offset included)
VCC = 2.97V to 5.6V
(comparator offset included)
VCC = 2.97V and 3.6V, 1% Resistor
Sense, 10mV Signal
VCC = 4.5V and 5.6V, 1% Resistor
Sense, 10mV Signal
VCC = 2.97V and 5.6V, 1% Resistor
Sense, 10mV Signal
Percentage Below Reference Point
Percentage Above UV Trip Point
Percentage Above Reference Point
Percentage below OV Trip Point
I
I
V
EN/FF= UGATE = LATCH Low,
LGATE = High
EN/FF = Low, UGATE = Low, LGATE = High
EN/FF = Low/HIGH, UGATE = Low,
LGATE = Low
PGOOD
PGOOD
MON1,2
PGOOD
ISL8120
= 2mA
= 2mA
TEST CONDITIONS
= Tri-State
<0.8V
(Note 4)
1.16
MIN
-0.2
118
-15
94
89
11
0
VCC - 0.4
TYP
1.20
350
108
108
108
120
150
125
113
1.0
1.0
1.0
0.4
-13
50
±5
±5
±5
13
10
87
1
4
4
VCC - 1.8
VCC - 1.8
(Note 4)
MAX
1.22
0.35
122
122
122
-11
15
70
March 28, 2008
FN6641.0
UNITS
MΩ
mV
mA
uA
µA
µA
µA
°C
°C
%
%
%
%
%
%
%
%
%
%
V
V
V
Ω
Ω
Ω
Ω
V
V
Ω