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HV441

Features: · 220V maximum operating voltage· Integrated high voltage transistors· Up to 70 VRMS ring signal· Adjustable AC and DC output voltage level· Adjustable ring signal start phase angle· Pulse by pulse output over current protection· 5 REN output capability· External MOSFETs enhance output r...

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SeekIC No. : 004367534 Detail

HV441: Features: · 220V maximum operating voltage· Integrated high voltage transistors· Up to 70 VRMS ring signal· Adjustable AC and DC output voltage level· Adjustable ring signal start phase angle· Pulse...

HV441 Data Sheet

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Part Number:
HV441
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

Description



Features:

· 220V maximum operating voltage
· Integrated high voltage transistors
· Up to 70 VRMS ring signal
· Adjustable AC and DC output voltage level
· Adjustable ring signal start phase angle
· Pulse by pulse output over current protection
· 5 REN output capability
· External MOSFETs enhance output rating to 20 REN


Application

· Stand alone high voltage ring generator
· Set-top/Street box ring generator
· Pair gain ring generator
· Wireless local loops
· Fiber in the loop/to the curb
· Coax cable loop


Specifications

VPP1 - VNN1, power supply voltage        +240V
VPP1, positive high voltage supply         +120V
VPP2, positive gate voltage supply        +120V
VNN1, negative high voltage supply       -170V
VNN2, negative gate voltage supply      -170V
VDD1, low voltage logic supply             +7.5V
VDD2, low voltage analog/logic supply  +18V
Storage temperature       -65°C to +150°C
Power dissipation                            1200mW


Description

The Supertex HV441 is a monolithic integrated circuit capable of generating up to a 70V RMS sine wave output at frequencies of 15Hz to 60Hz with a load of 5 North American RENs. Its output rating can be enhanced to 20 North American RENs with the addition of two Supertex MOSFETs: one N-Channel MOSFET, the TN2524N8 and one P-Channel MOSFET, the TP2522N8. The high voltage outputs have pulse by pulse over current protection set by two external sense resistors. The HV441 generates a low voltage reference sine wave by using external passive components. An external sine wave signal can be used if desired.

The HV441 amplifies the reference sine wave signal by pulse width modulating the high voltage output at a nominal frequency of 100KHz. An error amplifier compares the output sine wave with the reference sine wave and adjusts the pulse width accordingly. Both the amplitude of the output sine wave and the DC offset voltage are adjustable.

 




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