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HV441PJ Datasheet

  • HV441PJ

  • High-Voltage Ring Generator

  • 7頁

  • SUPERTEX   SUPERTEX

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HV441
High-Voltage Ring Generator
Ordering Information
Operating Voltage
V
PP1
- V
NN1
220V
Package Options
44-Pin PLCC
HV441PJ
Features
鉂?/div>
220V maximum operating voltage
鉂?/div>
Integrated high voltage transistors
鉂?/div>
Up to 70 V
RMS
ring signal
鉂?/div>
Adjustable AC and DC output voltage level
鉂?/div>
Adjustable ring signal start phase angle
鉂?/div>
Pulse by pulse output over current protection
鉂?/div>
5 REN output capability
鉂?/div>
External MOSFETs enhance output rating to 20 REN
General 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.
Applications
鉂?/div>
鉂?/div>
鉂?/div>
鉂?/div>
鉂?/div>
鉂?/div>
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
Absolute Maximum Ratings
V
PP1
- V
NN1
, power supply voltage
V
PP1
, positive high voltage supply
V
PP2
, positive gate voltage supply
V
NN1
, negative high voltage supply
V
NN2
, negative gate voltage supply
V
DD1
, low voltage logic supply
V
DD2
, low voltage analog/logic supply
Storage temperature
Power dissipation
+240V
+120V
+120V
-170V
-170V
+7.5V
+18V
-65擄C to +150擄C
1200mW
For detailed circuit and application information, please
refer to application not AN-H35.
12/13/01
Supertex Inc. does not recommend the use of its products in life support applications and will not knowingly sell its products for use in such applications unless it receives an adequate "products liability
indemnification insurance agreement." Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of devices determined to be defective due to
workmanship. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the
1
Supertex website: http://www.supertex.com. For complete liability information on all Supertex products, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website.

HV441PJ 產(chǎn)品屬性

  • Supertex

  • 電話振鈴器

  • Telecom Ringer

  • PLCC-44

  • + 85 C

  • - 40 C

  • Tube

  • Telecom Ringer

  • SMD/SMT

  • 6 V

  • 27

  • Multiple

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  • 英文版
    High-Voltage Ring Generator
    SUPERTEX
  • 英文版
    High-Voltage Ring Generator
    SUTEX [Sup...
  • 英文版
    High-Voltage Ring Generator
    SUPERTEX
  • 英文版
    High-Voltage Ring Generator
    SUTEX [Sup...
  • 英文版
    High-Voltage Ring Generator
    SUPERTEX
  • 英文版
    High-Voltage Ring Generator
    SUTEX [Sup...
  • 英文版
    High-Voltage Ring Generator
    SUPERTEX
  • 英文版
    High-Voltage Ring Generator
    SUTEX [Sup...
  • 英文版
    High-Voltage Ring Generator
    SUTEX [Sup...
  • 英文版
    High-Voltage Ring Generator
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