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L9705

Switching Converters, Regulators & Controllers Double Quad Interfac

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SeekIC No. : 00588401 Detail

L9705: Switching Converters, Regulators & Controllers Double Quad Interfac

L9705 Data Sheet

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Part Number:
L9705
Mfg:
STMicroelectronics
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/28

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Product Details

Quick Details

Mounting Style : Through Hole Package / Case : PDIP-20
Packaging : Tube    

Description

Output Voltage :
Output Current :
Output Power :
Input Voltage :
Switching Frequency :
Operating Temperature Range :
Packaging : Tube
Mounting Style : Through Hole
Package / Case : PDIP-20


Features:

·OPERATING DC SUPPLY VOLTAGE RANGE 5V TO 25V
·SUPPLY OVERVOLTAGEPULSE UP TO 40V
·VERY LOW STAND-BY QUIESCENT CURRENT, MAX 50mA
·INTERNAL CLAMPING DIODES AT CONTACT INPUTS TO Vs AND gnd WITH PULSE CURRENT CAPABILITY UP TO +50mA, -75mA
·CHIP ENABLE FUNCTION AND TRISTATE OUTPUTS FOR PARALLELBUS CONNECTION
·NOMINAL CONTACT CURRENTS OF 10mA DEFINED WITH EXTERNAL CONTACT SERIES RESISTORSRIN1-8
·CONTACT STATUS MONITORING BY MEANS OF COMPARING THE RESISTANCE AT CONTACT SENSE INPUTS WITH THE INTERNAL REFERENCE RESISTOR VALUE
·RESISTANCE COMPARING WITH HYSTERESIS FOR HIGH NOISE IMMUNITY AND IMMUNITY TO GROUND AND BATTERY POTENTIAL DIFFERENCES




Pinout

Connection Diagram


Specifications

Symbol Parameter Value Unit
VSDC DC Supply Voltage +26 V
VSP Peak Transient Supply Voltage (t 400ms) +40 V
VCC Logic Supply Voltage 7 V
IINDC Input DC Current ±40 mA
IINP Input Pulse (tp = 0 to 2ms; f 0.2Hz; n = 25000) -75 to 50 mA
IOUT Output Current (VO = 0 to 5.5V) internally limited  
VEN Enable Input Voltage VCC +0.3V;-0.3V V
Ptot Total Power Dissipation (Tamb =80°C) DIP 20
                                                               SO 20		 875
420		 mW
mW
Tj Junction Temperature Range max150 °C



Description

The L9705 is a bipolar monolithic integrated circuit for monitoring the status of up to four contacts connected to GND and up to four contacts connected to the battery. The contact sense input supply the contact current and perform the contact resistance comparison function.

At the output the contact status is translated into a logical LOW level (contact closed) or logical HIGh level (contact open).




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