参数资料
型号: MAX1558HETB+T
厂商: Maxim Integrated Products
文件页数: 3/14页
文件大小: 0K
描述: IC CURR-LIM SW DUAL PROG 10-TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: USB
接口: USB
电源电压: 2.75 V ~ 5.5 V
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-TDFN-EP(3x3)
包装: 带卷 (TR)
安装类型: 表面贴装
For a 5V input and 1V output, the maximum possible
power dissipation per switch is:
P = 0.5 x (1.5A) x (5V - 1V) = 3W
Since the package power dissipation is limited to
1952mW, the MAX1558/MAX1558H die temperature
exceeds the thermal-shutdown threshold and the
switch turns off. After the die temperature cools by
10
°C, the switch turns on again. If the fault-overload
condition continues, the switch cycles on and off with a
duty cycle and period that is a function of the ambient
temperature and PC board layout.
A short across the output for more than 20ms places
the part in autoreset mode. With VIN_ = 5V and an
autoreset test current of 30mA, the power dissipation
for a short-circuited output is given by:
P = (30mA) x 5V = 0.15W
MAX1558/MAX1558H
Dual, 3mm x 3mm, 1.2A/Programmable-Current
USB Switches with Autoreset
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11
Chip Information
TRANSISTOR COUNT: 2932
PROCESS: BiCMOS
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