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HV9112X Datasheet(PDF) 1 Page - Supertex, Inc |
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HV9112X Datasheet(HTML) 1 Page - Supertex, Inc |
1 / 7 page 1 General Description The Supertex HV9110 through HV9113 are a series of BiCMOS/ DMOS single-output, pulse width modulator ICs intended for use in high-speed high-efficiency switchmode power supplies. They provide all the functions necessary to implement a single-switch current-mode PWM, in any topology, with a minimum of external parts. Because they utilize Supertex’s proprietary BiCMOS/DMOS tech- nology, they require less than one tenth of the operating power of conventional bipolar PWM ICs, and can operate at more than twice their switching frequency. Dynamic range for regulation is also increased, to approximately 8 times that of similar bipolar parts. They start directly from any DC input voltages between 10 and 120VDC, requiring no external power resistor. The output stage is push-pull CMOS and thus requires no clamping diodes for protection, even when significant lead length exists between the output and the external MOSFET. The clock frequency is set with a single external resistor. Accessory functions are included to permit fast remote shutdown (latching or nonlatching) and undervoltage shutdown. For similar ICs intended to operate directly from up to 450VDC input, please consult the data sheet for the HV9120/9123. Ordering Information +V IN Feedback Max Package Options Min Max Accuracy Duty Cycle 10V 120V < ± 1% 49% HV9110P HV9110PJ HV9110NG HV9110X 9.0V 80V ± 2% 49% HV9112P HV9112PJ HV9112NG HV9112X 10V 120V < ± 1% 99% HV9113P HV9113PJ HV9113NG HV9113X Standard temperature range for all parts is industrial (-40 ° to +85°C). Absolute Maximum Ratings +V IN, Input Voltage HV9110/9113 120V HV9112 80V V DD, Logic Voltage 15.5V Logic Linear Input, FB and Sense Input Voltage -0.3V to V DD+0.3V Storage Temperature -65 °C to 150°C Power Dissipation, SOIC 750mW Power Dissipation, Plastic DIP 1000mW Power Dissipation PLCC 1400mW High-Voltage Current-Mode PWM Controller Features ❏ 10 to 120V input range ❏ Current-mode control ❏ High efficiency ❏ Up to 1.0MHz internal oscillator ❏ Internal start-up circuit ❏ Low internal noise Applications ❏ DC/DC converters ❏ Distributed power systems ❏ ISDN equipment ❏ PBX systems ❏ Modems 14 Pin 20 Pin 14 Pin Die Plastic DIP Plastic PLCC Narrow Body SOIC For detailed circuit and application information, please refer to application notes AN-H13 and AN-H21 to AN-H24. HV9110 HV9112 HV9113 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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