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Guangzhou Aipu Electron Technology Co.,Ltd
K78XX-1000 Series

K78XX-1000 Series

Product catalog summary

Overview: The document provides technical specifications and guidelines for the K78XX-1000 Series DC-DC converters. These converters feature a wide input voltage range, high conversion efficiency up to 97%, and are housed in a compact SIP package. They include protections against short circuits and overheating, and operate within a temperature range of -40℃ to +85℃.

Specifications:

Output Voltage Accuracy: ±2% to ±3% at full load.
Ripple & Noise: 25 to 40 mVp-p under nominal input and full load conditions.
Load Regulation: ±0.4% to ±0.6% from 10% to 100% load.
Line Regulation: ±0.2% to ±0.4% across the input voltage range.
Temperature Coefficient: ±0.03%/°C at 100% load.
Overheat Protection: Triggered at 150°C.
Short Circuit Protection: Continuous and self-recovering.

General Specifications:

Switching Frequency: Typically 350KHz.
Operating Temperature: -40℃ to +85℃.
Storage Temperature: -55℃ to +125℃.
Case Material: Black flame-retardant heat-resistant plastic (UL94-V0).
Product Weight: Approximately 4.0g.
MTBF: 200,000 hours at 25℃ according to MIL-HDBK-217F.

Product List: The document lists various models such as K783V3-1000, K7805-1000, K7809-1000, K7812-1000, and K7815-1000, detailing their input voltage ranges, output voltages, currents, and efficiencies.

Design and Application:

Output Load Requirements: Minimum load should not be less than 10% of the nominal load to ensure efficient operation.
Recommended Circuit: A capacitor filter network is suggested to reduce ripple and noise, with specific capacitor values provided for different models.

Testing and Usage Notes:

Ripple & Noise Test: Conducted using a twisted pair method with specific capacitor configurations.
Usage Limitations: The product cannot be used in parallel or support hot-plugging.

Additional Notes: The document states that specifications may change without notice and all testing methods are based on the company's standards.

Catalog excerpts

DC-DC Converter K78XX-1000 Series Typical Features ♦Wide input voltage range, non-isolate& regulated single output ♦ Conversion Efficiency up to 97% ♦ Compact SIP packing ♦ Short circuit, overheat protection ♦ No external component needed ♦ Low ripple & Noise ♦ Operating temperature:-40°C~+85°C ♦ Plastic case, meet UL94-V0 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. Product Named Method K78 05- 1000 ® © © ©Product Series ©Output Voltage ©Output Current Note: Ripple & Noise is tested by twisted pair method. General Specifications Switching Frequency http://www.aipulnion.com E-mail: [email protected] TEL: 86-20-84206763 FAX: 86-20-84206762 HOT-LINE: 400-811-8032 Pa

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Typical Product List Quiescent Input Voltage Characteristic Curve 输出负载VS效率曲线图（标称电压） Output Load VS Efficiency (nominal voltage) Input Voltage & Standby Power Consumption Input Voltage VS Efficiency(full load) Output Load(%) Input Voltage(Vdc) Input Voltage(Vdc) Temperature Curve Case Temperature & Output Load (Ambient Temperature 25 ℃) Temperature Derating Curve 输出功率百分比 Output Power Output Power Percentage(%) Case Temperature(℃)

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01.00 (00.039) Printed board vertical view Lattic spacing: 2.54mm (O.linch) 6.20 [0.244] Unit:mm [inch] General tolerance: x.x±0.5mm[x.x±0.020inch] 0.x + 0.2mm[0.x + 0.008inch] Packing Dimension 2. Recommended Circuit In order to ensure that the ripple& noise of input and output be decreased, a capacitor filter net could be connected to input output side, application circuit see photo 1; But a proper filter capacitor should be chosen, start up problem maybe caused by too big capacitance; to make sure each circuit work safely and reliably, recommended capacitive load value see below table 1.(The capacitance...

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3. Ripple& Noise Test: (Twisted Pair Method, Test Method: a.12# twisted pair to connect, Oscilloscope bandwidth set as 20MHz, 100M bandwidth probe, terminated with 0.1uF polypropylene capacitor and 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, Power line selected from 2 corresponding diameter wire with insulation according to the flow of output current. Note: 1.This product cannot be used in parallel, and do...

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K78XX-1000 Series

K78XX-1000 Series

Catalog excerpts

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