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PDF MAX14626 Data sheet ( Hoja de datos )
| Número de pieza | MAX14626 | |
| Descripción | High Voltage Reverse Input Capable 4 - 20mA Current Loop Protector | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX14626 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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19-6257; Rev 0; 3/12
EVALUATION KIT AVAILABLE
MAX14626
High-Voltage Reverse-Input-Capable 4–20mA
Current Loop Protector
General Description
The MAX14626 current loop protector features a current-
limit switch to prevent damage to the sensor devices due
to faulty current loop conditions. The current-limit switch
features a 25I (typ) on-resistance and operates from a
+2.3V to +36V input voltage range. The accurate current
limit is set to 30mA, making the part ideal for protecting
the sensor reading devices.
The MAX14626 handles an overcurrent event in a con-
tinuous current-limit mode. Additional safety features
include thermal shutdown to prevent overheating and
reverse-input blocking to protect from being reverse con-
nected into the sensor.
The device is available in a tiny 6-pin (3mm x 3mm),
TDFN exposed pad package and is specified over the
-40NC to +85NC extended temperature range.
Applications
Industrial Current Loop Control
Benefits and Features
S High Performance
Low On-Resistance 25I (typ)
Accurate Q10% Current Limit
+2.3V to +40V Wide Supply Voltage Range
Low Operating Current
Ultra-Low Temperature Coefficient
S Robust Protection for Sensors
Avoids Power Dissipation Issues Compared to
Discrete Solutions
Thermal Shutdown
Reverse Input Protection
S Saves Space in Compact Systems
Eliminates Need for Discrete PTC Poly Switch,
Zener Diodes, and Resistors
3mm x 3mm, 6-Pin TDFN Package
Ordering Information appears at end of data sheet.
For related parts and recommended products to use with this part,
www.DataSheet.net/
refer to www.maxim-ic.com/MAX14626.related.
Typical Operating Circuit
SENSOR
(4–20mA)
CURRENT
IN
4–20mA CURRENT
MAX14626
REF
SUPPLY
CONTROL AND
PROTECTION
OUT
CURRENT LIMIT
GATE CONTROL
RLOAD
IA ADC
GND
����������������������������������������������������������������� Maxim Integrated Products 1
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.
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
MAX14626
High-Voltage Reverse-Input-Capable 4–20mA
Current Loop Protector
Pin Configuration
TOP VIEW
654
PIN
1
2, 3, 4
5
6
—
MAX14626
+ *EP
1 23
TQFN
*CONNECT EP TO GND
NAME
IN
I.C.
GND
OUT
EP
www.DataSheet.net/
Pin Description
FUNCTION
Power Input
Internally Connected. Connect I.C. to GND.
Ground
Switch Output
Exposed Pad. Connect EP to GND. Connect to a large ground plane to maximize thermal
performance. Not intended as an electrical connection point.
����������������������������������������������������������������� Maxim Integrated Products 5
Datasheet pdf - http://www.DataSheet4U.co.kr/
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MAX14626.PDF ] | |
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