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MH88612B

Features: • Transformerless 2-wire to 4-wire conversion• Battery and ringing feed to line• Off-hook and dial pulse detection.• Ring ground over-current protection• Adjustable constant current feed.• Relay driver• Power Denial• Wide Operating RangeApp...

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SeekIC No. : 004420279 Detail

MH88612B: Features: • Transformerless 2-wire to 4-wire conversion• Battery and ringing feed to line• Off-hook and dial pulse detection.• Ring ground over-current protection• Adju...

MH88612B Data Sheet

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Part Number:
MH88612B
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: 2024/4/18

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Product Details

Description



Features:

• Transformerless 2-wire to 4-wire conversion
• Battery and ringing feed to line
• Off-hook and dial pulse detection.
• Ring ground over-current protection
• Adjustable constant current feed.
• Relay driver
• Power Denial
• Wide Operating Range


Application

• PABX
• Intercoms
• Key Telephone Systems
• Control Systems


Pinout

Connection Diagram


Specifications

  Parameter Symbol Min Max Units
1 DC Supply Voltage
LPGND = AGND		 VCC
VEE
VBAT
VRLY
VREF		 -0.3
-15
-80
-0.3
-60		 +15
+0.3
+0.3
+40
+15		 V
V
V
V
V
2 Storage Temperature TS -40 100 °C
3 Package Power Dissipation PD   2 W



Description

The SLIC provides a complete interface between a switching system and a subscriber loop. Functions of MH88612B provided include battery feed and ringing feed to the subscriber line, 2-Wire to 4-Wire hybrid interfacing, constant current feed and dial pulse detection. The MH88612B is fabricated using thick film hybrid technology in a 20-pin single in-line package.




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