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KW3-XXXXXE Series

KW3-XXXXXE Series

KW3-XXXXXE Series

Product catalog summary
Overview: This document is a technical datasheet for the KW3-XXXXXE series of DC-DC converters by Guangzhou Aipu Electron Technology Co., Ltd. It includes specifications, features, and operational guidelines.
Key Features:
  • Wide input voltage range (2:1) with 3W output power.
  • Conversion efficiency up to 82%.
  • Remote control switch-off and continuous short circuit protection with self-recovery.
  • No overshooting during power on/off; isolation voltage of 1500VDC.
  • Operating temperature range from -40℃ to +85℃.
  • Plastic case compliant with UL94-V0 standard.
Input Specifications:
  • Max input surge voltage varies by input range, e.g., 4.5-9V input has a max of 16VDC.
  • Start-up voltage varies by input range, e.g., 4.5-9V input starts at 3.5VDC.
  • Stand-by consumption is 0.5W max.
Output Specifications:
  • Positive output voltage accuracy within ±2.0%, negative within ±3.0%.
  • Line regulation for nominal load is ≤±0.2% for the main circuit.
  • Load regulation from 10% to 100% nominal load is ≤±0.5% for the main circuit.
  • Ripple & noise is ≤100mVp-p at nominal load and voltage.
General Specifications:
  • Switching frequency typically 450KHz.
  • Storage temperature ranges from -55℃ to +125℃.
  • Relative humidity is 5% to 95% non-condensing.
  • MTBF is 200,000 hours at 25℃.
Product Models: Various models are listed with different input and output voltage specifications, including single and dual output series. Efficiency and ripple & noise levels are specified for each model.
Design and Application:
  • Minimum output load should not be less than 10% of the nominal load for efficient operation.
  • Recommended circuit components are specified for reducing input and output ripple.
  • CTRL terminal operation is detailed, including current specifications to avoid damage.
Testing and Measurement:
  • Ripple & noise testing is conducted using a twisted pair method with specific capacitor configurations.
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Catalog excerpts

KW3-XXXXXE Series-1

Typical Features ♦Wide Input Voltage Range ( 2:1), Output Power 3W ♦ Conversion Efficiency up to 82% ♦With remote control Switch-off function ♦ Continuous Short Circuit protection, Self-fu rbish ♦ No Overshooting when turn-on or off ♦ Isolation Voltage 1500VDC ♦ Operating Temperature: -40°C~+85°C ♦ Plastic Case, meet UL94-V0 standard ® Case Material (6) Packing Code (5) Output Voltage @ Output Ways ® Input Voltage @ Output Power (T) Product Series Test Condition: Unless otherwise specified, data in the datasheet should be tested under the conditions of inputting nominal voltage, pure resistance rated load and Ta=25C. Stand-by Consumption Capacitor Filtering Input Filter Guangzhou Aipu Electron Technology Co., Ltd Add: B Building , No.4 Courtyard, Qixing Gang, Shiliu Gang, Haizhu Dis, GZ,CN Email: [email protected] Tel: 86-20-84206763 Fax: 86-20-84206762 Hotline: 400-811-8032 Website: http://www.aipulnion.com/ Guangzhou Aipu Electron Technology Co., Ltd reserves the copyright and right of final interpretation. Version:A1 Date:2017-06-03 Page 1 of 8

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KW3-XXXXXE Series-2

Guangzhou Aipu Electron Technology Co., Ltd Add: B Building , No.4 Courtyard, Qixing Gang, Shiliu Gang, Haizhu Dis, GZ,CN Email: [email protected] Tel: 86-20-84206763 Fax: 86-20-84206762 Hotline: 400-811-8032 Website: http://www.aipulnion.com/ Guangzhou Aipu Electron Technology Co., Ltd reserves the copyright and right of final interpretation. Version:A1 Date:2017-06-03 Page 2 of 8

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KW3-XXXXXE Series-3

Guangzhou Aipu Electron Technology Co., Ltd Add: B Building , No.4 Courtyard, Qixing Gang, Shiliu Gang, Haizhu Dis, GZ,CN Email: [email protected] Tel: 86-20-84206763 Fax: 86-20-84206762 Hotline: 400-811-8032 Website: http://www.aipulnion.com/ Guangzhou Aipu Electron Technology Co., Ltd reserves the copyright and right of final interpretation. Version:A1 Date:2017-06-03 Page 3

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KW3-XXXXXE Series-4

Note: 1.“ ” are models under developing. 2. To ensure this module operate efficiently and reliably, the minimum output load could not be less than 10% of the nominal load during operation. If the actual output power is too small, please connect a resistor in parallel at the output, the resistance recommended equal to 10% nominal power. Characteristic Curve Input Voltage VS Efficiency(full load) 输入电压VS效率曲线图(满载) 输出负载VS效率曲线图 Output Load VS Efficiency(nominal voltage) Input Voltage & Stand by Consumption 输入电压与待机功耗曲线图 Output Load(%) Input Voltage & Stand by Consumption 输入电压与待机功耗曲线图 输入电压VS效率曲线图(满载)...

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KW3-XXXXXE Series-5

Input Voltage VS Efficiency(full load) 输入电压VS效率曲线图(满载) 输出负载VS效率曲线图 Output Load VS Efficiency(nominal voltage) (标称电压) 输入电压与待机功耗曲线图 Input Voltage & Stand by Consumption 90 Input Voltage(Vdc) Input Voltage(Vdc) Output Load(%) Note: Photo 1,2,3 are 5V input series ; Photo 4,5,6 are 12V input series ; Photo 7,8,9 are 24V input series; Photo 10,11,12 are 48V input series. Temperature Curve 产品壳温与输出负载曲线图 Case Temperature & Output Load 温度降额曲线图 Temperature Derating Curve 输出功率百分比 Output Power Output Power Percent(%) Case Temperature(℃) Output Load(%) 输出负载(%) Packing Dimension, Pin Function, Recommended...

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KW3-XXXXXE Series-6

Note: if the definition of pin is not in accordance with the manual, please refer to the label on actual item. 1.CS terminal This terminal provides a connection point to connect the inside main filter capacitor of output terminal for the DC/DC converter(capacitor positive) , and can further improve the output ripple and noise (Normal CS<47uF) through connecting a low ESR capacitor between this terminal and the 7 pin (capacitor negative). 2.Output Load Request a. To ensure this module operate efficiently and reliably, the minimum load could not be less than 10% of the nominal load. If the actual...

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KW3-XXXXXE Series-7

3.Recommend Circuit DC/DC test circuit: If you want to further decrease input& output ripple, the capacitance of external capacitor can be increased properly, but the maximum capacitance of the filter capacitor should be less than the maximum capacitive load, otherwise it will make it difficult to turn-on the module. Normal Recommend: Ci:100uF (5V&12V) / 10uF (24V&48V) Li:4.7uH~120uH CS:10uF~22uF Co:100uF (Typ.) Lo;2.2uH~10uH C1:47nF/100V Single Output Positive Negative Dual Output Photo 13 4.CTRL Terminal Suspended or high resistance, output of module runs normally; Connect to high level(relative...

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KW3-XXXXXE Series-8

6.Ripple& Noise Test: (Twisted Pair Method Test Method: a.12# twisted pair to connect, Oscilloscope bandwidth set as 20MHz, polypropylene capacitor and 47uF high frequency low resistance electrolytic capacitor in parallel, oscilloscope set as Sample pattern. b. Input terminal connect to power supply, output terminal connect to electronic load through jig plate, Use 30cm± cm sampling line, 2 Power line selected from corresponding diameter wire with insulation according to the flow of output current. Note: 1.This product cannot be used in parallel, and do not support hot-plugging; 2. All index...

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All Guangzhou Aipu Electron Technology Co.,Ltd catalogs and technical brochures

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