CFUP3 Series High-Voltage Power-Supply Module for Ultrasonic Transmitter
■CFUP3 series 3W high-voltage power module for ultrasonic transmitter, specially designed for ultrasonic electronic equipment working in the harsh environment, is portable with its size of only L25.5×W25.8×H10.5mm and saves space for portable ultrasonic instrument. In consideration of battery-power supply characteristics of portable ultrasonic instrument, the power-supply module is designed with static working current of only 15mA and load conversion efficiency up to 80%. It is resistant to high temperature, shock and moisture when working in harsh environment, thus it is able to normally work at an ambient temperature of 105℃. Shock resistance frequency: 20-50Hz/50Hz-2KHz and amplitude/rate: 0.5mm/10g. Shock resistance reaches three times per amplitude. Spike rate: 100g and duration: 6ms
■Considering that transducer of ultrasonic instrument has various types of crystals and to simplify design and reduce purchasing types for users, CFUP3 series 3W high-voltage power-supply module for ultrasonic transmitter is specially designed to be isolated between input low voltage and output high voltage with isolation voltage of 1500V. The output high voltage is continuously adjustable. Control voltage GND is connected to input GND. When the control voltage ranges 0-3.3V, output high voltage has linear variation with control voltage. Output high voltage reaches maximum value when control voltage is 0V and minimum value when control voltage is 3.3V. When control voltage is higher than 3.3V, output voltage will not have linear variation with control voltage and output variation becomes gentle and then reaches the minimum value without variation. The amplitude of control voltage is not allowed to exceed -0.5V～+15V.
■The working frequency of CFPU3 series power-supply module is up to 300KHz which provides good condition for filtering. In the circumstance of adding no filter, its output voltage ripple is less than 100MV. The temperature stability of frequency within the entire range of temperature is ±1%.
■CFPU3 series power-supply module is specially designed for application of light load. The efficiency is up to 80% when output is 2.4W and 85% when output is 3W. In order to achieve light load and high efficiency, the input range of circuit not like other series of three times high-low ratio reduces to two times high-low ratio.
■To pursue light load and high efficiency, CFUP10 series power supply module sacrifices some protection circuits. If users have been accustomed to our other series module, special attention should be paid to their difference.
■CFUP3 series power-supply module contains an in-built LC network, which can effectively reduce the fluctuations of the input current and the output voltage.
■Key components used for CFUP3 series power-supply module are purchased in military level and completely pass the in-factory test in strict accordance with the national military product quality standard. The factory test includes 24 ~ 72-hour live aging and screening under the temperature of +125℃. All purchased civil components have been completely inspected in accordance with our enterprise standard before being integrated into power-supply module. All finished products have experienced 8-hour full-load operation under the temperature of +105 ℃ before delivery so as to fully check the damage to the components during the production process and hence ensure the reliability of products. Though key components of CFUP3 are military level, they are produced with civil production system and process in consideration of cost. The quality control system is ISO-2000, thus their reliability is far higher than ordinary industrial products, but lower than military products.
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High-Voltage Power-Supply Module 、 high-voltage power module |
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[ Ultrasonic Transmitter ][ ultrasonic electronic equipment ] |
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Datasheet |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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June 19.2013 |
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580 KB |
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