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HV9605C Datasheet(PDF) 1 Page - Supertex, Inc |
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HV9605C Datasheet(HTML) 1 Page - Supertex, Inc |
1 / 5 page 1 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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