A0505S-1W
5V to 5V isolated 1W DC-DC power module with 1500VDC isolation, SIP7 package, 82% efficiency for digital circuits
Product Overview
Description
The A0505S-1W is a fixed input DC-DC power module in Aipu Electronics' A series, specifically designed for 5V to 5V isolation applications.
This module uses high-efficiency power conversion technology to achieve 5V input to 5V output isolation conversion in a compact SIP package. Isolation voltage reaches 1500VDC, effectively isolating input and output grounds.
The A0505S-1W is particularly suitable for digital circuit isolation power supply, microcontroller isolation, communication interface isolation and other applications, and is an ideal choice for industrial control, communication equipment, and instrumentation.
Product Series
A
Primary Application
Digital circuit isolation power supply
Key Features
- Input voltage 5VDC (4.5-5.5V)
- Output voltage 5VDC, power 1W
- Isolation voltage 1500VDC
- High efficiency 82%
- SIP7 package
- Industrial temperature range -40C to +85C
- Short circuit protection
- Low ripple noise
Specifications
| Input Voltage | 5VDC (4.5-5.5V) |
|---|---|
| Output Voltage | 5VDC |
| Output Power | 1W |
| Output Current | 200mA |
| Isolation Voltage | 1500VDC |
| Efficiency | 82% typ |
| Ripple Noise | 75mVp-p max |
| Operating Temperature | -40C ~ +85C |
| Package | SIP7 |
| Dimensions | 11.5x6.0x10mm |
Applications
Digital circuit isolation power supply
Power conversion and supply
Microcontroller isolation
Industrial automation and control
Communication interface isolation
Communication and interface
Industrial control systems
Industrial automation and control
Instrumentation
Electronic system design
FAE Expert Insights
"We have widely used the A0505S-1W in actual projects. This is a very reliable power module. It performs very stably in digital circuit isolation applications. We particularly appreciate its compact design and cost performance."
Compact size, high reliability, excellent cost performance
— BeiLuo FAE Team, BeiLuo
Frequently Asked Questions
What is the isolation voltage of A0505S-1W?
The A0505S-1W isolation voltage is 1500VDC, tested according to IEC/EN/UL60950-1 standard. This isolation level can effectively prevent ground loop interference and common-mode noise coupling, suitable for most industrial control applications.
1500VDC isolation meets industrial standard requirements, suitable for general industrial applications.
What is the efficiency of A0505S-1W?
The A0505S-1W typical efficiency is 82%, which is at a high level among 1W power class DC-DC modules. High efficiency means low heat generation and no additional heat dissipation measures required. At full load (1W output), the input power is approximately 1.22W, resulting in only 0.22W power loss. This low power dissipation means the module operates at low temperature, typically less than 15°C temperature rise above ambient, ensuring high reliability and long lifetime.
82% high efficiency means low heat generation and high reliability, suitable for space-constrained applications.
What is the package size of A0505S-1W?
The A0505S-1W uses SIP7 package with dimensions of 11.5x6.0x10mm (LxWxH). This ultra-compact design saves PCB space and is ideal for space-constrained applications such as portable devices, embedded systems, and high-density circuit boards.
SIP7 package is perfect for space-constrained applications. Consider DIP package for better mechanical stability in harsh environments.
What protection features does A0505S-1W have?
The A0505S-1W includes comprehensive protection features: 1) Short circuit protection: Output can be shorted continuously without damage, automatic recovery when fault removed; 2) Overcurrent protection: Limits output current to protect module and load; 3) Input undervoltage protection: Prevents operation when input voltage is too low; 4) Thermal protection: Reduces output power or shuts down if temperature exceeds safe limits. These protections ensure reliable operation and prevent damage to the module and connected equipment.
Comprehensive protection features make A0505S-1W suitable for reliable industrial applications.
What is the operating temperature range of A0505S-1W?
The A0505S-1W operating temperature range is -40°C to +85°C (industrial grade). This wide temperature range makes it suitable for harsh environments including outdoor equipment, industrial sites, and automotive applications. For high-temperature applications, ensure adequate ventilation or consider power derating.
Industrial grade -40°C to +85°C range suitable for harsh environments. Ensure proper cooling for high-temperature applications.
What is the ripple and noise of A0505S-1W output?
The A0505S-1W output ripple and noise is 75mVp-p maximum, typical value around 50mVp-p. This low ripple level is suitable for most digital circuits and microcontrollers. For applications requiring lower ripple (such as precision analog circuits), additional output filtering with a small LC filter or ceramic capacitors can further reduce ripple to below 20mVp-p.
75mVp-p ripple suitable for digital circuits. Add external filtering for sensitive analog applications.