参数资料
型号: ISL8120IRZ-TEC
厂商: Intersil
文件页数: 16/33页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 32-QFN
标准包装: 6,000
PWM 型: 电压模式
输出数: 2
频率 - 最大: 1.5MHz
占空比: 90%
电源电压: 3 V ~ 22 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 32-VFQFN 裸露焊盘
包装: 带卷 (TR)
ISL8120IR
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted. Parameters with MIN and/or MAX limits are
100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are
not production tested. (Continued)
PARAMETER
Disable Threshold (Note3)
SYMBOL
V VSEN-
TEST CONDITIONS
V MON1,2 = Tri-State
MIN
TYP
VCC - 0.4
MAX
UNITS
V
GATE DRIVERS
Upper Drive Source Resistance
Upper Drive Sink Resistance
Lower Drive Source Resistance
Lower Drive Sink Resistance
R UGATE
R UGATE
R LGATE
R LGATE
45mA Source Current
45mA Sink Current
45mA Source Current
45mA Sink Current
1.0
1.0
1.0
0.4
Ω
Ω
Ω
Ω
OVERCURRENT PROTECTION
Channel Overcurrent Limit (Note 3)
I SOURCE
VCC = 3V to 5.6V
108
μA
Channel Overcurrent Limit
Share Pin OC Threshold
I SOURCE
V OC_SET
VCC = 5V
VCC = 3V to 5.6V
(comparator offset included)
89
1.16
108
1.20
122
1.22
μA
V
Share Pin OC Hysteresis (Note 3)
V OC_SET_HYS VCC = 3V to 5.6V
50
mV
(comparator offset included)
CURRENT SHARE
Internal Balance Accuracy (Note 3)
VCC = 3V and 3.6V, 1% Resistor
±5
%
Sense, 10mV Signal
Internal Balance Accuracy (Note 3)
VCC = 4.5V and 5.6V, 1% Resistor
±5
%
Sense, 10mV Signal
External Current Share Accuracy (Note 3)
VCC = 3V and 5.6V, 1% Resistor
±5
%
Sense, 10mV Signal
POWER GOOD MONITOR
Undervoltage Falling Trip Point
Undervoltage Rising Hysteresis
Overvoltage Rising Trip Point
Overvoltage Falling Hysteresis
V UVF
V UVR_HYS
V OVR
V OVF_HYS
Percentage Below Reference Point
Percentage Above UV Trip Point
Percentage Above Reference Point
Percentage below OV Trip Point
-15
11
-13
4
13
4
-11
15
%
%
%
%
PGOOD Low Output Voltage
Sinking Impedance
Maximum Sinking Current (Note 3)
I PGOOD = 2mA
I PGOOD = 2mA
V PGOOD < 0.8V
10
0.35
70
V
Ω
mA
OVERVOLTAGE PROTECTION
OV Latching Up Trip Point
EN/FF= UGATE = LATCH Low,
118
120
122
%
LGATE = High
OV Non-Latching Up Trip Point (Note 3)
EN/FF = Low, UGATE = Low,
113
%
LGATE = High
LGATE Release Trip Point
EN/FF = Low/HIGH, UGATE = Low,
87
%
LGATE = Low
OVER-TEMPERATURE PROTECTION
Over-Temperature Trip (Note 3)
Over-Temperature Release Threshold
(Note 3)
16
150
125
°C
°C
FN6763.2
November 11, 2011
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