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HV421

Features: ·Processed with HVCMOS® technology·4.75V to 9.5V operating supply voltage·DC to AC conversion·1 REN load capacity·Adjustable ring frequency from 15Hz to 60Hz·Adjustable converter frequency·Enable/Disable functionPinoutSpecificationsSupply Voltage,VDD -0.5V to +10VOutput Voltage, Vcs ...

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SeekIC No. : 004367531 Detail

HV421: Features: ·Processed with HVCMOS® technology·4.75V to 9.5V operating supply voltage·DC to AC conversion·1 REN load capacity·Adjustable ring frequency from 15Hz to 60Hz·Adjustable converter frequ...

HV421 Data Sheet

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Part Number:
HV421
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: 2024/11/21

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Product Details

Description



Features:

·Processed with HVCMOS® technology
·4.75V to 9.5V operating supply voltage
·DC to AC conversion
·1 REN load capacity
·Adjustable ring frequency from 15Hz to 60Hz
·Adjustable converter frequency
·Enable/Disable function


Pinout

Connection Diagram


Specifications

Supply Voltage, VDD                            -0.5V to +10V
Output Voltage, Vcs                          -0.5V to +120V
Operating Temperature Range               0 to +85
Storage Temperature Range            -65 to +150
SO-8 Power Dissipation                                400mW

Note:
*All voltages are referenced to GND.


Description

The Supertex HV421 is a high voltage ring generator designed to drive 1 North American REN (ringer equivalent number) from a 5V source. It has an internal DC-DC converter which converts the 5V DC supply to a nominal 68V DC connected to the VPP pin. The DC-DC converter frequency of the HV421 is set by an external resistor connected between RSW and VDD. The ringing signal is generated by a high voltage H-bridge which produces two square waves which are 180 degrees from each other. The ringing frequency of the H-bridge is set by an external resistor connected between RRING and VDD.




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