HV421 Datasheet

IC型號(hào)：
HV421
PDF描述：
High Voltage 1 REN Ring Generator
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58.77KB
PDF頁(yè)數(shù)：
5頁(yè)
芯片廠家：
SUPERTEX

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High Voltage 1 REN Ring Generator

Ordering Information

Package Options

Device

HV421

8-Lead SO

HV421LG

HV421

Features

Processed with HVCMOS

廬

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

General Description

The Supertex HV421 is a high voltage ring generator designed

to drive 1 North American REN (ringer equivalent number) from

a 5V source. The HV421 has an internal DC-DC converter which

converts the 5V DC supply to a nominal 68V DC connected to the

pin. The DC-DC converter frequency of the HV421 is set by

an external resistor connected between R

and V

. 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 R

RING

and V

Absolute Maximum Ratings*

Supply Voltage, V

Output Voltage, V

Operating Temperature Range

Storage Temperature Range

SO-8 Power Dissipation

Note:

*All voltages are referenced to GND.

Pin Configuration

-0.5V to +10V

-0.5V to +120V

0擄C to +85擄C

-65擄C to +150擄C

400mW

蟼螒

ring

Gate

GND

Top View

SO-8

11-1

型號(hào)

版本

描述

廠商

下載
HV421

英文版

High Voltage 1 REN Ring Generator

HV421
HV421

英文版

High Voltage 1 REN Ring Generator

SUTEX [Sup...

HV421
HV421LG

英文版

High Voltage 1 REN Ring Generator

HV421LG
HV421LG

英文版

High Voltage 1 REN Ring Generator

SUTEX [Sup...

HV421LG
HV4222X

英文版

Interface IC

ETC

HV4222X

HV421 Datasheet

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