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STI3411A (S15B) DC-DC Step-Down Voltage Regulator IC
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Rs.20.00
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Rs.20.00
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STI3411A (S15B) — DC-DC Step-Down (Buck) Voltage Regulator IC
The STI3411A (chip marking: S15B) is a compact, high-efficiency synchronous DC-DC step-down regulator IC widely used in laptop motherboards, LCD power boards, and portable electronics. It provides a stable regulated output with minimal external components, making it a go-to replacement IC for electronics repair professionals in Pakistan.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | STI3411A / S15B |
| Type | Synchronous DC-DC Step-Down (Buck) Regulator |
| Input Voltage | 4.5V – 28V |
| Output Current | Up to 1.5A |
| Switching Frequency | Up to 1.5MHz |
| Efficiency | Up to 95% |
| Package | SOT-23-5 / SOT-23-6 |
Key Features
- High-efficiency synchronous buck regulator — up to 95%
- Wide input voltage range: 4.5V – 28V
- Up to 1.5A continuous output current
- Compact SOT-23 package for space-constrained PCB designs
- Built-in over-current and thermal protection
- Minimal external components required
Applications
- Laptop and notebook power management circuits
- LCD monitor and TV power boards
- Portable device power regulation
- Electronics repair (voltage regulator replacement)
- DIY embedded power supply projects
Buy STI3411A S15B DC-DC Voltage Regulator IC at the best price from Embeded Studio.