HV450WG Supertex, HV450WG Datasheet

Telephone Ringers SO-16 HV RING GEN

HV450WG

Manufacturer Part Number
HV450WG
Description
Telephone Ringers SO-16 HV RING GEN
Manufacturer
Supertex
Type
Multipler
Datasheet
1.HV450DB1.pdf (4 pages)

Specifications of HV450WG

Function
Telecom Ringer
Mounting Style
SMD/SMT
Product
Telecom Ringer
Package / Case
SOIC-16 Wide
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Primary Target Application
Generator Circuit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Ordering Information
Features
Applications
Absolute Maximum Ratings*
V
V
V
V
Storage temperature
Power dissipation
* All voltages referenced to ground
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
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.
NN1
PP
NN2
DD
, P-channel gate voltage supply
Integrated high voltage transistors
67V
Output over current protection
Can drive external MOSFETs for larger loads
, logic supply
High voltage ring generator
Set-top/Street box ring generator
Pair gain ring generator
, power supply voltage
, N-channel gate voltage supply
Operating Voltage
RMS
ring signal
-220V
V
NN1
High-Voltage Ring Generator
Package Options
-65°C to +150°C
HV450WG
SOW-16
V
NN1
600mW
-240V
+7.5V
+20V
-20V
1
General Description
The Supertex HV450 is a PWM high voltage ring generator. The
high voltage output P- and N-channel transistors are controlled
independently by the logic inputs P
where a single control pin (N
be connected to Gnd. This adds a 200ns deadband on the
control logic to avoid cross conduction on the high voltage
output. A logic high on N
and the N-Channel off. The outputs can drive up to 5 RENs. The
HV450 can drive external MOSFETs for applications requiring
larger loads. The IC can be powered down by connecting the
enable pin to V
over current protection.
Pin Configuration
Mode
P
GND
N/C
V
P
N
EN
GND
DD
IN
IN
DD
. The high voltage outputs have pulse by pulse
1
2
3
4
5
6
7
8
IN
will turn the high voltage P-Channel on
SOW-16
top view
IN
) is desired, the mode pin should
IN
and N
16
15
14
13
12
11
10
9
IN
HV
P
V
V
N
V
V
. For application
HV450
V
NSEN
GATE
PSEN
GATE
NN2
NN1
PP
OUT

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HV450WG Summary of contents

Page 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. Package Options SOW-16 HV450WG General Description The Supertex HV450 is a PWM high voltage ring generator. The high voltage output P- and N-channel transistors are controlled ...

Page 2

Electrical Characteristics (Over operating supply voltages unless otherwise specified, T Symbol Parameters V P-channel linear regulator output voltage PP V High voltage negative supply NN1 V Negative linear regulator output voltage V NN2 V Logic supply voltage ...

Page 3

Block Diagram Logic EN Mode GND Pin Description V P-channel gate voltage supply. Generated by an internal linear regulator. A 0.1µF capacitor should be connected between PP P and V . GND PP V ...

Page 4

... Typical Application Circuit Feedback Network µ-Controller Logic EN Mode GND ©2001 Supertex Inc. All rights reserved. Unauthorized use or reproduction prohibited. Current Sense High and Voltage Driver Level Translator Linear Reg V DD Linear High Reg Voltage Level Translator Current Sense and Driver ...

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