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MAX14523BATA

更新时间： 2024-11-05 11:18:35
品牌 Logo 应用领域
美信 - MAXIM 开关
页数 文件大小 规格书
11页 287K
描述
250mA to 1.5A, Adjustable Current-Limit Switches

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MAX14523BATA 数据手册

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19-4814; Rev 1; 1/11  
250mA to 1.5A, Adjustable  
Current-Limit Switches  
LB/MAX14523C  
General Description  
Features  
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 70mΩ 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.  
♦ Accurate (±±10% ꢀOerꢁlaꢂ ꢃurreꢄt ꢅLiLt  
♦ Aꢂjustabꢁe ꢃurreꢄt-ꢅLiLt Threshlꢁꢂ  
♦ ꢅlw-Drlplut Vlꢁtage (71iV at ±A ꢅlaꢂ ꢃurreꢄt%  
♦ Shlrt-ꢃLrcuLt PrltectLlꢄ  
♦ Theriaꢁ-Shutꢂlwꢄ PrltectLlꢄ  
♦ ReOerse-ꢃurreꢄt PrltectLlꢄ  
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.  
♦ ±71µA (typ% Suppꢁy ꢃurreꢄt  
♦ Shutꢂlwꢄ ReOerse ꢃurreꢄt, 1.6µA (iax%  
♦ +±.7V tl +5.5V Suppꢁy Vlꢁtage Raꢄge  
♦ TLꢄy 8-PLꢄ, 3ii x 3ii, TDFN Package  
Typical Operating Circuit  
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.  
BIAS  
VOLTAGE  
IN  
OUT  
LOAD  
POWER  
SUPPLY  
1μF  
1μF  
CHARGE  
PUMP  
Applications  
SDIO Ports  
R
SETI  
CURRENT  
REFERENCE  
CONTROL  
LOGIC  
USB Ports  
V
PULLUP  
μP  
Notebook VGA Ports  
GPS  
10kΩ  
FLAG  
N.C.  
ON(ON)*  
Cell Phones  
MAX14523A  
MAX14523AL  
MAX14523B  
MAX14523C  
MP3 Players  
UTCA/ATCA Platforms  
GND  
*ON FOR THE MAX14523AL ONLY.  
PLꢄ ꢃlꢄfLguratLlꢄ appears at eꢄꢂ lf ꢂata sheet.  
Ordering Information/Selector Guide  
PART  
PIN-PACKAGE  
8 TDFN-EP*  
8 TDFN-EP*  
8 TDFN-EP*  
8 TDFN-EP*  
8 TDFN-EP*  
TOP MARK  
BLO  
ON POLARTIY  
Active-High  
Active-Low  
Active-High  
Active-High  
Active-High  
OVERCURRENT RESPONSE  
Autoretry  
MAX14523AATA+  
MAX14523ALATA+**  
MAX14523BATA+  
MAX14523BATA/V+T  
MAX14523CATA+  
BLP  
Autoretry  
BLQ  
Latch-Off  
BLQ  
Latch-Off  
BLS  
Continuous  
Nlte: 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.  
________________________________________________________________ MaxLi Iꢄtegrateꢂ Prlꢂucts  
±
Flr prLcLꢄg, ꢂeꢁLOery, aꢄꢂ lrꢂerLꢄg LꢄflriatLlꢄ, pꢁease clꢄtact MaxLi DLrect at ±-888-629-4642,  
lr OLsLt MaxLi’s websLte at www.iaxLi-Lc.cli.  
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MAX14523BATA/V+T MAXIM

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 		Analog Circuit, 1 Func, BICMOS, PDSO8, 3 X 3 MM, ROHS COMPLIANT, TDFN-8
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MAX14523BATV MAXIM

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 		250mA to 1.5A, Adjustable Current-Limit Switches
MAX14523C MAXIM

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 		250mA to 1.5A, Adjustable Current-Limit Switches
MAX14523C ADI

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 		250mA至1.5A、可调节限流开关
MAX14523CATA MAXIM

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 		250mA to 1.5A, Adjustable Current-Limit Switches
MAX14523CATA+ MAXIM

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MAX14523CATA+T MAXIM

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