HV9605 Supertex Inc, HV9605 Datasheet

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HV9605

Manufacturer Part Number
HV9605
Description
High Voltage Current Mode PWM Controller for ISDN Equipment
Manufacturer
Supertex Inc
Datasheet

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11/30/98
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 complete liability information covering
this and other Supertex products, refer to the Supertex 1998 Databook.
Ordering Information
Features
Applications
Min
15V
BiCMOS/DMOS technology
Current mode control
49% duty cycle operation
Programmable START/STOP capability
15V to 250V input range internal start-up regulator
6.0 A standby supply current for +V
0.9mA operating supply current
5.0V V
30KHz to 300KHz internal oscillator
15KHz to 150KHz converter output frequency
1.0MHz low offset error amplifier
1.20V 2% band gap reference
Output driver optimized for under 10W applications
Low driver output impedance with V
Fast (90nsec) over current shutdown
All pins are ESD protected
ISDN network terminations
ISDN terminals
ISDN terminal adapters
Feature phones
SLIC circuits
PBX systems
Modems
Distributed power systems
DC/DC converters
+V
IN
250V
Max
DD
supply operation
Feedback
Accuracy
<
1%
Duty Cycle
High Voltage Current Mode PWM
Max
49%
Controller for ISDN Equipment
DD
IN
<20V
= 0V
Plastic DIP
HV9605P
14 Pin
Narrow Body SOIC
Package Options
HV9605NG
1
14 Pin
General Description
The Supertex HV9605 is a BiCMOS/DMOS single-output,
current mode, pulse width modulator IC designed to meet
the requirements of ETR-060 for ISDN applications. In a 14
pin package, it provides all the necessary functions to imple-
ment a single-switch PWM with a minimum of external parts.
Utilizing Supertex’s proprietary BiCMOS/DMOS technology,
it requires less than one tenth of the operating power of
conventional bipolar PWM ICs. Dynamic range for regulation
is also increased to approximately 8 times that of similar
bipolar parts. It operates directly from any DC input voltage
between 15 and 250 VDC. The START and STOP input
voltage thresholds can be programmed within the operating
input voltage range by means of a resistor divider, provided
+V
eliminating the need for external clamping diodes. The clock
frequency is set with a single external resistor.
Absolute Maximum Ratings*
+V
Supply Voltage, V
Operating Temperature Range
Storage Temperature Range
Power Dissipation @ 25 C, SOIC
Power Dissipation @ 25 C, Plastic DIP
*All voltages referenced to GND
IN(START)
IN
, Input Voltage
> +V
HV9605X
IN(STOP)
Die
DD
. The output stage is push-pull CMOS,
Preliminary
HV9605
-65 C to +150 C
-40 C to +85 C
-0.5V to +250V
-0.5V to +10V
1000mW
750mW
11/30/98

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HV9605 Summary of contents

Page 1

... Narrow Body SOIC HV9605P HV9605NG General Description The Supertex HV9605 is a BiCMOS/DMOS single-output, current mode, pulse width modulator IC designed to meet the requirements of ETR-060 for ISDN applications pin package, it provides all the necessary functions to imple- ment a single-switch PWM with a minimum of external parts. ...

Page 2

... KHz KHz 31.5 35 38.5 KHz KHz 100 300 PPM HV9605 Conditions +V =20V, Start=0V, Stop= 250V 4. 15V, IN Start & Stop 10M rising DD OUT open 20KHz to 150KHz, OUT 18V ...

Page 3

... SGND REF V V nsec REF shorted to NI, FB shorted to Comp 3.0V 2. MHz mA V < > 4.5V < V < 5.5V, f=1KHz 2.0V STATUS load DD V Sinking 5mA V Sinking 100 A msec 4.7nF From Status to GND HV9605 11/30/98 ...

Page 4

... The high impedance non-inverting input of the error amplifier. - This pin provides a 2% accuracy 1.20V low output - The resistor connected from this pin to SGND sets the IN forces the voltage above the internal regulator DD with a time constant set by the external capacitor DD HV9605 voltage reaches 11/30/98 ...

Page 5

... NI FB COMP 1235 Bordeaux Drive, Sunnyvale, CA 94089 TEL: (408) 744-0100 • FAX: (408) 745-4895 5 www.supertex.com V DD UVLO + C V – REF PWM Good STATUS MOSFET Driver V DD OUT PGND SGND + 40V + + + ISOLATED OUTPUT - TN2124K1 RESET or TN2524N8 +5.0V REFERENCED TO INPUT (-) TERMINAL HV9605 11/30/98 11/30/98 ...

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