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参数资料
| 型号： | MAX14523AATA+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC CURRENT LIMIT SWITCH 8-DFN |
| 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： | 电流开关 |
| 精确度： | ±10% |
| 输入电压： | 1.7 V ~ 5.5 V |
| 电流 - 输出： | 可调 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WDFN 裸露焊盘 |
| 供应商设备封装： | 8-TDFN-EP（3x3） |
| 包装： | 标准包装 |
| 其它名称： | MAX14523AATA+TDKR |
General Description
The MAX14523A/MAX14523AL/MAX14523B/MAX14523C
programmable current-limit switches feature internal
current limiting to prevent damage to host devices due
to faulty load conditions. These current-limit switches
feature a low 70m
Ω on-resistance and operate from a
+1.7V to +5.5V input voltage range. The current limit is
adjustable from 250mA to 1.5A, making these devices
ideal for SDIO (secure digital input/output) and other
load-switching applications.
Each device in the family handles an overcurrent event
differently depending on the option selected. The
MAX14523A/MAX14523AL go into an autoretry mode,
the MAX14523B latches off the switch, and the
MAX14523C features a continuous current-limit mode.
Additional safety features include thermal shutdown to
prevent overheating and reverse-current blocking to
prevent current from being driven back into the source.
The MAX14523A/MAX14523AL/MAX14523B/MAX14523C
are available in a tiny 8-pin, 3mm x 3mm, TDFN pack-
age and operate over the -40°C to +125°C automotive
temperature range.
Applications
SDIO Ports
USB Ports
Notebook VGA Ports
GPS
Cell Phones
MP3 Players
UTCA/ATCA Platforms
Features
Accurate (±10%) Overload Current Limit
Adjustable Current-Limit Threshold
Low-Dropout Voltage (70mV at 1A Load Current)
Short-Circuit Protection
Thermal-Shutdown Protection
Reverse-Current Protection
170A (typ) Supply Current
Shutdown Reverse Current, 0.6A (max)
+1.7V to +5.5V Supply Voltage Range
Tiny 8-Pin, 3mm x 3mm, TDFN Package
MAX14523A/MAX14523AL/MAX14523B/MAX14523C
250mA to 1.5A, Adjustable
Current-Limit Switches
________________________________________________________________
Maxim Integrated Products
1
Ordering Information/Selector Guide
MAX14523A
MAX14523AL
MAX14523B
MAX14523C
1
μF
RSETI
10k
Ω
BIAS
VOLTAGE
LOAD
CHARGE
PUMP
CONTROL
LOGIC
POWER
SUPPLY
μP
CURRENT
REFERENCE
GND
N.C.
1
μF
OUT
IN
FLAG
ON(ON)*
VPULLUP
*ON FOR THE MAX14523AL ONLY.
Typical Operating Circuit
19-4814; Rev 1; 1/11
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
PART
PIN-PACKAGE
TOP MARK
ON POLARTIY
OVERCURRENT RESPONSE
MAX14523AATA+
8 TDFN-EP*
BLO
Active-High
Autoretry
MAX14523ALATA+**
8 TDFN-EP*
BLP
Active-Low
Autoretry
MAX14523BATA+
8 TDFN-EP*
BLQ
Active-High
Latch-Off
MAX14523BATA/V+T
8 TDFN-EP*
BLQ
Active-High
Latch-Off
MAX14523CATA+
8 TDFN-EP*
BLS
Active-High
Continuous
Pin Configuration appears at end of data sheet.
Note: All devices are specified over the -40°C to +125°C operating temperature range.
+
Denotes a lead(Pb)-free package/RoHs-compliant package.
/V denotes an automotive qualified part.
*
EP = Exposed pad.
**
Future product—contact factory for availability.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX14523BATA/V+ | 制造商:Maxim Integrated Products 功能描述:INDUSTRY'S HIGHEST ACCURACY, ADJUSTABLE, 1.5A CURRENT-LIMIT - Rail/Tube |
| MAX14523BATA/V+T | 功能描述:电源开关 IC - 配电 Adjustable 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 |
| MAX14523BATA+ | 制造商:Maxim Integrated Products 功能描述:250MA TO 1.5A ADJUSTABLE CURRENT-L - Rail/Tube |
| MAX14523BATA+T | 功能描述:电源开关 IC - 配电 Adjustable 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 |
| MAX14523BETA+ | 制造商:Maxim Integrated Products 功能描述:250MA TO 1.5A, ADJUSTABLE CURRENT-LIMIT SWITCHES - Rail/Tube |
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