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参数资料
| 型号： | MAX5943EEEE+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC FIREWIRE CURR LIMITER 16-QSOP |
| 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： | 无 |
| 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-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 带卷 (TR) |
FireWire Current Limiter and Low-Drop
ORing Switch Controller
ABSOLUTE MAXIMUM RATINGS
(Voltages referenced to GND, unless otherwise noted.)
IN ............................................................................-0.3V to +80V
OUT ........................................................................-0.3V to +80V
SENSE to IN..............................................................-1V to +0.3V
GATE1 to SENSE......................................................-0.3V to +8V
GATE2 to OUT (internally clamped).........................-0.3V to +8V
FAULT .....................................................................-0.3V to +85V
Continuous Power Dissipation (TA = +70°C)
16-Pin QSOP (derate 8.3mW/°C above +70°C)...........667mW
Operating Temperature Range ...........................-40°C to +85°C
Maximum Junction Temperature .....................................+150°C
Storage Temperature Range .............................-60°C to +150°C
ESD Rating (Human Body Model)......................................2000V
Lead Temperature (soldering, 10s) .................................+300°C
ON, TIM, ILIM, LATCH, OR_ADJ, ONQ1 ..........-0.3V to (IN + 0.3V)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(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
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLIES
Supply Voltage Range
V IN
7.5
37
V
Supply Current
Shutdown Current
I IN
I SD
V ON = 3V, no load
V ON = 0.4V
1.3
5
2.3
10
mA
μA
IN Default Undervoltage Lockout
V UVLO
V IN rising, ON = IN
6.2
6.5
6.8
V
IN Default Undervoltage Lockout
Hysteresis
0.35
V
ON Undervoltage Lockout
Threshold
V ON_REF
V ON rising
1.20
1.24
1.275
V
ON Undervoltage Lockout
Threshold Hysteresis
70
mV
ON Input Bias Current
I ON
1
μA
GATE2 (current-limit/circuit-breake r control)
GATE2 Pullup Current
I G2U
(Note 2)
36
45
54
μA
GATE2 High Voltage
V G2
V GATE2 - V OUT
7.5V ≤ V IN ≤ 8V
8V ≤ V IN ≤ 37V
4.25
4.5
5.5
5.5
6.5
6.5
V
ILIM = GND
47.5
50
52.5
Current-Limit/Circuit-Breaker
Threshold Voltage
V TH
V IN - V SENSE
ILIM = floating
37
39
41
mV
ILIM = IN
ILIM = GND
55
70
58.5
75
61
80
Fast Pulldown Current-Limit
Threshold Voltage (MAX5943A)
V THF
V IN - V SENSE (Note 3)
ILIM = floating
54
59
64
mV
ILIM = IN
83
88
93
GATE2 Pulldown Current
(MAX5943A)
GATE2 Fast Pulldown Current
(MAX5943A)
GATE2 Peak Pulldown Current
(MAX5943A)
I G2D
I G2DF
I G2DP
V TH < (V IN - V SENSE) < V THF ,
t < t ILIM
(V IN - V SENSE) > V THF , V GATE2 = V OUT +
4.5V
(V IN - V SENSE ) = 1V
335
80
435
125
1.0
535
200
μA
mA
A
2
_______________________________________________________________________________________
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