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KW2-XXXXXEA Series

KW2-XXXXXEA Series

KW2-XXXXXEA Series

Product catalog summary
Overview: This document provides technical specifications and guidelines for the KW2-XXXXXEA Series DC-DC Converter by Guangzhou Aipu Electron Technology Co., Ltd. It includes details on input/output specifications, general specifications, and recommended application circuits.
Typical Features:
  • Wide input voltage range (4:1) with output power of 2W.
  • Transfer efficiency up to 82%.
  • Remote control switch-off function and continuous short circuit protection with self-recovery.
  • Isolation voltage of 1500VDC and operating temperature range from -40℃ to +85℃.
  • Plastic case meeting UL94 V-0 standard.
Input Specifications:
  • Max input overshooting voltage for 9-36V input is 50VDC and for 18-75V input is 100VDC.
  • Turn-on voltage for 9-36V input is 4.5-9VDC and for 18-75V input is 11-18VDC.
  • Stand-by power consumption is 0.5W (Max).
Output Specifications:
  • Positive output voltage accuracy is within ±2.0% and negative output voltage accuracy is within ±3.0%.
  • No load output voltage accuracy for main circuit is ≤±3.0% and for auxiliary circuit is ≤±5.0%.
  • Ripple & noise is ≤100mVp-p (20MHz bandwidth).
  • Output short circuit protection is continuous with self-recovery.
General Specifications:
  • Switching frequency is typically 450KHz.
  • Operating temperature range is -40℃ to +85℃ with a maximum case temperature of +105℃.
  • Relative humidity is 5%~95% non-condensing.
  • Product weight is approximately 4.37g.
  • MTBF is 2X105Hrs at 25℃.
Typical Product List: The document lists various models with their input voltage range, output voltage/current, input current, maximum capacitive load, ripple & noise, and efficiency. For example, the KW2-18S05EA model has an input voltage range of 9-36V, output voltage of 5V, and efficiency of 78%.
Design and Application Circuit:
  • Recommendations for connecting capacitors to improve output ripple and noise.
  • Minimum load should not be less than 10% of the nominal load to ensure efficient operation.
  • Recommended circuit components include Ci, Li, CS, Co, Lo, and C1 with specified values.
Additional Notes:
  • The product cannot be used in parallel and does not support hot-plugging.
  • Specifications may change without prior notice.
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Catalog excerpts

KW2-XXXXXEA Series-1

KW2-XXXXXEA Series DC-DC Converter Typical Features ♦ Wide Input Voltage Range (4:1), Output Power 2W ♦ Transfer Efficiency up to 82% ♦ With remote control Switch-off function ♦ Continuous Short Circuit protection, Self-recovery ♦ No Overshooting when turn-on or off ♦ Isolation Voltage 1500VDC ♦ Operating Temperature: -40°C^+85°C ♦ Plastic Case, meet UL94 V-0 standard ® Suffix (7) Isolation Voltage (6) Packing Code (5) Output Voltage (D Output Method (3) Input Voltage (2) 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=25°C. Stand-by Power Consumption Capacitor Filter Input Filter Positive Output Voltage Accuracy Full voltage full load Guangzhou Aipu Electron Technology Co., Ltd CN Email: [email protected] Tel: 86-20-84206763 Fax:86-20-84206762 Hotline: 400-811-8032 Website: http://en.aipulnion.com/ Guangzhou Aipu Electron Technology Co., Ltd reserves the copyright and right of final interpretation. Version: A/0 Date: 2016-9-10 Page1of6

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KW2-XXXXXEA 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://en.aipulnion.com/ Guangzhou Aipu Electron Technology Co., Ltd reserves the copyright and right of final interpretation. Version: A/0 Date: 2016-9-10 Page2of6

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KW2-XXXXXEA Series-3

Note: 1.“*” are models under developing. 2.To ensure this module operate efficiently and reliably, the minimum load could not be less than 10% of the nominal load. If the actual power is too small, please connect a resistor in parallel at output terminal, the resistance equal to 10% nominal load. Characteristic Curve Temperature Derating Curve 温度降额曲线图 100% 90% 输出功率百分比 Output Power Packing Dimension, Pin Function, Recommended PCB layout 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...

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KW2-XXXXXEA Series-4

Packing Dimension * Note: If the definition of pin is not in accordance with the model selection manual, please refer to the label on actual item. Packing Dimension Packing Code E Design and Application Circuit Recommended 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...

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KW2-XXXXXEA Series-5

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 Recommended: Ci:100uF (18V) / 10uF (36V) Li:4.7uH~120uH CS:10uF~22uF Co:100uF (Typ.) Lo:2.2uH~10uH C1:47nF/100V Li 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 to input ground),...

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KW2-XXXXXEA Series-6

6.Ripple& Noise Test: (Twisted Pair Method 20MHZ bandwidth) Test Method: a.12# twisted pair to connect, Oscilloscope bandwidth set as 20MHz, 100M bandwidth probe, terminated with 0.1uF 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±2 cm sampling line, Power line selected from corresponding diameter wire with insulation according to the flow of output current. * Note: 1 .This product cannot be used...

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

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.