SY8009AAAC
Synchronous buck regulator IC delivers up to 1.5 A from a 3 V to 5.5 V input range. The device integrates high-side and low-side MOSFETs with typical on-resistances of 180 mΩ and 120 mΩ, operates at 1.5 MHz, and uses a 0.6 V feedback reference for adjustable output regulation. It supports 100 percent duty-cycle dropout operation, internal soft-start, undervoltage lockout, and thermal shutdown protection. The SOT23-5 package is specified for a -40 °C to 85 °C temperature range and is listed as RoHS compliant and halogen free.
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About SY8009AAAC
The Silergy SY8009AAAC Power Supplies datasheet provides detailed technical specifications, pinout information, and operating characteristics. This component: Synchronous buck regulator IC delivers up to 1.5 A from a 3 V to 5.5 V input range. The device integrates high-side and low-side MOSFETs with typical on-resistances of 180 mΩ and 120 mΩ, operates at 1.5 MHz, and uses a 0.6 V feedback reference for adjustable output regulation. It supports 100 percent duty-cycle dropout operation, internal soft-start, undervoltage lockout, and thermal shutdown protection. The SOT23-5 package is specified for a -40 °C to 85 °C temperature range and is listed as RoHS compliant and halogen free.. Key parameters include Enable falling threshold: 0.4 typV, Enable rising threshold: 1.5 typV, Feedback reference voltage: 0.588 min, 0.6 typ, 0.612 maxV, Halogen Free: Compliant, and High-side switch on-resistance: 180 typmΩ. SY8009AAAC is manufactured by Silergy as part of their Power Supplies product line. On this page you can view and download the PDF datasheet, check specifications, and find similar components.
Specifications
- Manufacturer
- Silergy
- Category
- Power Supplies
- File Size
- 317 KB
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Parameters
| Enable falling threshold | 0.4 typV |
| Enable rising threshold | 1.5 typV |
| Feedback reference voltage | 0.588 min, 0.6 typ, 0.612 maxV |
| Halogen Free | Compliant |
| High-side switch on-resistance | 180 typmΩ |
| Input voltage range | 3 to 5.5V |
| Low-side switch on-resistance | 120 typmΩ |
| Maximum duty cycle | 100% |
| Minimum on-time | 50 typns |
| Operating temperature range | -40 to 85°C |
| Output current | 1.5A |
| Package | SOT23-5 |
| PFET current limit | 1.8 typA |
| Quiescent current | 80 typµA |
| Regulator topology | Synchronous step-down |
| RoHS | Compliant |
| Shutdown current | 0.1 typ, 1 maxµA |
| Switching frequency | 1.5 typMHz |
| Thermal shutdown temperature | 160 typ°C |
| Top mark | ADxyz |
| UVLO hysteresis | 0.1 typV |
| UVLO threshold | 2.7 typV |