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| 型号： | MAX4798EUK+TG05 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH 1X1 SOT23-5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 开关 |
| 电路： | 1 x 1:1 |
| 导通状态电阻： | 360 毫欧 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2 V ~ 4.5 V |
| 电流 - 电源： | 80µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 带卷 (TR) |
General Description
The MAX4795–MAX4798 family of switches feature inter-
nal current limiting to prevent damage to host devices
due to faulty load conditions. These analog switches
have a low 0.2
on-resistance and operate from a 2.0V
to 4.5V input voltage range. They are available with guar-
anteed 450mA and 500mA current limits, making them
ideal for SDIO and other load-switching applications.
When the switch is on and a load is connected to the
port, a guaranteed blanking time of 14ms ensures the
transient voltages settle down. If after this blanking time,
the load current is greater than the current limit, the
MAX4795 and MAX4797 switches are turned off and
FLAG is issued to the microprocessor. The switch can be
turned on again by cycling the power or the ON input.
The MAX4796 and MAX4798 have an autoretry feature
where the switch turns off and issues a FLAG to the
microprocessor after the blanking time and then contin-
uously checks to see if the overload condition is pre-
sent. The switch remains on after the overload condition
disappears and FLAG deasserts.
The MAX4795–MAX4798 are available in tiny, space-
saving, 5-pin SOT23 and 6-pin TDFN (3mm x 3mm)
packages.
Applications
SDIO
PDAs and Palmtop Devices
Cell Phones
GPS Systems
Hand-Held Devices
Features
o Guaranteed Current Limit: 450mA and 500mA
o Thermal-Shutdown Protection
o Reverse-Current Protection
o 0.2 On-Resistance
o 14ms Guaranteed Blanking Time
o FLAG Function
o Autoretry (MAX4796/MAX4798)
o 80A Supply Current
o 6A Latchoff Current
(MAX4795/MAX4797)
o 0.01A Shutdown Current
o +2V to +4.5V Supply Range
o Fast Current-Limit Response Time
o Tiny SOT23 and TDFN Packages
o UL Certification Pending
MAX4795–MAX4798
450mA/500mA Current-Limit Switches
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
+2.0V TO +4.5V
IN
OUT
FLAG
GND
ON
P
TO SDIO PORT
MAX4795
MAX4796
MAX4797
MAX4798
Typical Operating Circuit
19-2944; Rev 0; 8/03
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.
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
MAX4795EUK-T
-40°C to +85°C
5 SOT23-5
AEDI
MAX4795ETT*
40°C to +85°C
6 TDFN-EP**
—
MAX4796EUK-T
-40°C to +85°C
5 SOT23-5
AEDJ
MAX4796ETT*
-40°C to +85°C
6 TDFN-EP**
—
MAX4797EUK-T
-40°C to +85°C
5 SOT23-5
AEDK
MAX4797ETT*
-40°C to +85°C
6 TDFN-EP**
—
MAX4798EUK-T
-40°C to +85°C
5 SOT23-5
AEDL
MAX4798ETT*
-40°C to +85°C
6 TDFN-EP**
—
GND
FLAG
15 OUT
IN
MAX4795
MAX4796
MAX4797
MAX4798
SOT23
TOP VIEW
2
34
ON
OUT
FLAG
16 ON
5 GND
IN
MAX4795
MAX4796
MAX4797
MAX4798
TDFN
2
34
N.C.
Pin Configurations
*Future product—contact factory for availability.
**EP = Exposed pad.
Selector Guide appears at end of data sheet.
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| MAX479ACPD | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX479CPD | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX479CPD+ | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX479CSD | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX479CSD+ | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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