SY8088IAAC
Manufacturer
Model
SY8088IAAC
Category
The SY8088IAAC is a high-efficiency step-down DC-DC converter optimized for portable and IoT applications, offering adjustable 2.5-5.5V output with 1A capability. Its synchronous rectification and 1.5MHz switching frequency enable compact designs while maintaining thermal performance. Key applications include medical devices, industrial automation, and wireless communication modules. Critical parameters include output voltage range, current limits, and package requirements. Engineers should prioritize proper thermal management, adhere to soldering guidelines, and validate performance under continuous load conditions.
Reference Pricing
Reference Stock
Specifications
| Conversion Efficiency | Not provided |
| Input Voltage Range | 2.5V to 5.5V |
| Load Regulation | Not provided |
| On-Resistance | Top FET RoN: 260mΩ, Bottom FET RoN: 170mΩ |
| Operating Temperature Range | Not provided |
| Output Current | Not provided |
| Output Voltage | 1.8V |
| Package Type | SOT-23-5 |
| Rated Voltage | Not provided |
| Ripple Voltage | Not provided |
| Switching Frequency | 1.5MHz |
| Switching Loss | Not provided |
| Thermal Resistance | Not provided |
Function And Role
Core Function
Step-down DC-DC converter providing adjustable 2.5V-5.5V output at 1A
Key Characteristics
- Synchronous rectification
- Integrated switch tube
- 1.5MHz switching frequency
- Adjustable output voltage
- Quiescent current 50uA
Application Domains
Basic Scenarios
- Portable electronic devices
- IoT sensors
- Low-power consumer electronics
Extended Scenarios
- Medical devices requiring stable voltage
- Industrial automation systems
- Wireless communication modules
Precautions
| Soldering | Use reflow soldering at 240-260℃ with 20-30s peak temperature |
| Current Limit | Max continuous output current 1A (peaks 1.2A for 10s) |
| Voltage Limit | Input voltage 2.5-5.5V, output voltage adjustable within 2.5-5.5V |
| Thermal Management | Thermal resistance 40℃/W, require 10mm² copper area for heat dissipation |
| Storage | Store in <10% RH, -20℃ to +85℃ environments |
| Risk Warnings |
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Alternative Model Params
- Output voltage range
- Max output current
- Switching frequency
- Package type (SOT-23-5)
- Quiescent current
Design Recommendations
| Layout | Maintain 5mm trace width for power paths |
| Thermal | Use 0.5mm thick copper for heat spreading |
| Compatibility | Verify with 3.3V or 5V reference designs |
| Testing | Check efficiency at 100% load for 72h |
Market Positioning
| Strengths |
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| Weaknesses |
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