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参数资料
| 型号： | MAX4785EXK+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC ANALOG SWITCH 1X1 SC70-5 |
| 产品培训模块： | ISP Current Limit Switches Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 功能： | 开关 |
| 电路： | 1 x 1:1 |
| 导通状态电阻： | 1 欧姆 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2.3 V ~ 5.5 V |
| 电流 - 电源： | 65µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-TSSOP（5 引线），SC-88A，SOT-353 |
| 供应商设备封装： | SC-70-5 |
| 包装： | 标准包装 |
| 产品目录页面： | 1421 (CN2011-ZH PDF) |
| 其它名称： | MAX4785EXK+TDKR |
General Description
The MAX4785–MAX4788 family of switches feature inter-
nal current limiting to prevent host devices from being
damaged due to faulty load conditions. These analog
switches have a low 0.7
on-resistance and operate
from a 2.3V to 5.5V input voltage range. They are avail-
able with guaranteed 50mA and 100mA current limits,
making them ideal for load-switching applications.
When the switch is on and a load is connected to the
port, a guaranteed blanking time of 14ms ensures that
the transient voltages settle down. If after this blanking
time the load current is greater than the current limit,
the MAX4785 and MAX4787 enter a latch-off state
where the switch is turned off and FLAG is issued to the
microprocessor. The switch can be turned on again by
cycling the power or the ON pin.
The MAX4786 and MAX4788 have an autoretry feature
where the switch turns off after the blanking time and
then continuously checks to see if the overload condi-
tion is present. The switch remains on after the overload
condition disappears.
The MAX4785 and MAX4787 are available in a tiny
space-saving 4-pin or 5-pin SC70 package. The
MAX4786 and MAX4788 are available only in the 4-pin
SC70 package. For higher current current-limiting
switches, refer to the MAX4789–MAX4794 and
MAX1693 data sheets.
Applications
PDAs and Palmtop Devices
Cell Phones
GPS Systems
Hand-Held Devices
Features
Guaranteed Current Limit: 50mA, 100mA
Thermal-Shutdown Protection
Reverse-Current Protection
0.7 On-Resistance
14ms Guaranteed Blanking Time
FLAG Function (MAX4785/MAX4787)
65A Supply Current
8A Latch-Off Current (MAX4785/MAX4787)
0.01A Shutdown Current
2.3V to 5.5V Supply Range
Undervoltage Lockout
Fast Current-Limit Response Time
Tiny SC70 Package
MAX4785–MAX4788
50mA/100mA Current-Limit Switches
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
2.3V TO 5.5V
IN
OUT
FLAG
GND
ON
P
TO EXTERNAL PORT
MAX4785
MAX4787
Typical Operating Circuit
19-2664; Rev 1; 4/03
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Selector Guide appears at end of data sheet.
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
MAX4785EXS-T
-40°C to +85°C
4 SC70-4
AGE
MAX4785EXK-T
-40°C to +85°C
5 SC70-5
ADL
MAX4786EXS-T
-40°C to +85°C
4 SC70-4
AGF
MAX4787EXS-T
-40°C to +85°C
4 SC70-4
AGG
MAX4787EXK-T
-40°C to +85°C
5 SC70-5
AND
MAX4788EXS-T
-40°C to +85°C
4 SC70-4
AGH
GND
ON
15 IN
OUT
MAX4785
MAX4787
SC70
TOP VIEW
2
34
FLAG
ON
14 IN
OUT
MAX4785–
MAX4788
SC70
23
GND
Pin Configurations
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4785EXS | 制造商:Maxim Integrated Products 功能描述:50MA/100MA CURRENT-LIMIT SWITCHES - Cut Tape Product |
| MAX4785EXS-T | 功能描述:电源开关 IC - 配电 RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| MAX4786EXS | 制造商:Maxim Integrated Products 功能描述:50MA/100MA CURRENT-LIMIT SWITCHES - Cut Tape Product |
| MAX4786EXS+ | 制造商:Maxim Integrated Products 功能描述:CURRENT LIMIT SW 1-IN 1-OUT 2.3V TO 5.5V 0.12A 4PIN SC-70 - Cut Tape Product |
| MAX4786EXS+T | 功能描述:电源开关 IC - 配电 50mA/100mA Current Limit Switch RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
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