参数资料
型号: MAX5944ESE+T
厂商: Maxim Integrated
文件页数: 3/15页
文件大小: 0K
描述: IC FW CURR LIMITER DUAL 16-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: FireWire? 应用程序
FET 型: N 沟道
输出数: 2
内部开关:
延迟时间 - 关闭: 100ns
电源电压: 7.5 V ~ 37 V
电流 - 电源: 1.3mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC N
包装: 带卷 (TR)
Dual FireWire Current Limiter and Low-Drop
ORing Switch Controller
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 7.5V to 37V, GND = 0V, and T A = -40°C to +85°C, unless otherwise noted. Typical values are at V IN_ = 12V, T A = +25°C.)
(Note 1)
PARAMETER
GATE2_ Peak Pulldown Current
SYMBOL
I G2DP
CONDITIONS
(V IN_ - V SENSE_ ) = 1V
MIN
TYP
1.0
MAX
UNITS
A
GATE2_ Pulldown Current During
Any GATE2_ Turn-Off Condition
I G2OFF
V GATE2_ = (V OUT_ + 4.5V)
80
125
200
mA
(Note 4)
GATE1_ (ORing Control)
ORing Switch Turn-On-Current
Threshold Voltage
V OR
(V IN_ - V SENSE_ ) rising
3
5
7
mV
ORing Switch Turn-On-Current
Threshold Voltage Hysteresis
(V IN_ - V SENSE_ ) falling
0.5
mV
GATE1_ Pullup Current (Note 5)
I G1U
36
45
54
μA
GATE1_ High Voltage
V G1
V GATE_ - V SENSE_
7.5V ≤ V IN ≤ 8V
8V ≤ V IN ≤ 37V
4.25
4.5
5.5
5.5
6.50
6.5
V
GATE1_ Turn-Off Switch On-
Resistance
R G1PD
Measured between GATE1_ and SENSE_
when (V IN_ - V SENSE_ ) < V OR
2
3
?
LOGIC INPUTS
ONQ1 Input-Logic Low Voltage
ONQ1 Input-Logic High Voltage
ONQ1 Input Current
V IL
V IH
I IH
V ON_ > V ON_REF
V ON_ > V ON_REF
1.8
0.7
1
V
V
μA
FAULT_ Output Low Voltage
FAULT_ Output High Leakage
Current
OUT_ Input Current
V OL
I OH
I OUT
Low-impedance state, I FAULT_ = 5mA
High-impedance state, V FAULT_ = 37V
V ON_ = GND
0.12
0.25
1
1
V
μA
μA
_______________________________________________________________________________________
3
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