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HV9605C Datasheet(PDF) 1 Page - Supertex, Inc

Part No. HV9605C
Description  High Voltage Current Mode PWM Controller
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Maker  SUTEX [Supertex, Inc]
Homepage  http://www.supertex.com
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HV9605C Datasheet(HTML) 1 Page - Supertex, Inc

   
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HV9605C
General Description
The Supertex HV9605C is a BiCMOS/DMOS single-output,
current mode, pulse width modulator IC designed to meet the
requirements of ETR-080 for ISDN applications. In a 14 pin
package, it provides all the necessary functions to implement 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
IN(START) > +VIN(STOP). The output stage is
push-pull CMOS, eliminating the need for external clamping
diodes. The clock frequency is set with a single external resistor.
High Voltage Current Mode PWM Controller
Features
❏ BiCMOS/DMOS technology
❏ Current mode control
❏ 49% duty cycle operation
❏ Programmable START/STOP capability
❏ 15V to 250V input range internal start-up regulator
❏ 6.0µA standby supply current for +V
IN <20V
❏ 0.9mA operating supply current
❏ 5.0V V
DD supply operation
❏ 30KHz to 300KHz internal oscillator
❏ 15KHz to 150KHz converter output frequency
❏ 1.0MHz low offset error amplifier
❏ 1.25V 2% band gap reference
❏ Output driver optimized for under 10W applications
❏ Low driver output impedance with V
DD = 0V
❏ Fast (90nsec) over current shutdown
❏ All pins are ESD protected
Applications
❏ ISDN network terminations
❏ ISDN terminals
❏ ISDN terminal adapters
❏ Feature phones
❏ SLIC circuits
❏ PBX systems
❏ Modems
❏ Distributed power systems
❏ DC/DC converters
Absolute Maximum Ratings*
+V
IN, Input Voltage
-0.5V to +250V
Supply Voltage, V
DD
-0.5V to +10V
Operating Temperature Range
-40
°C to +85°C
Storage Temperature Range
-65
°C to +150°C
Power Dissipation @ 25
°C, SOIC
750mW
Power Dissipation @ 25
°C, Plastic DIP
1000mW
*All voltages referenced to GND
Preliminary
14 Pin
14 Pin
Die
Plastic DIP
Narrow Body SOIC
+V
IN
Feedback
Max
Package Options
Min
Max
Accuracy
Duty Cycle
15V
250V
<
± 1%
49%
HV9605CP
HV9605CNG
HV9605CX
Ordering Information
11/12/01
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.


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