Datasheet Details
| Part number | SI1128 |
|---|---|
| Manufacturer | SANY Semiconductor |
| File Size | 1.60 MB |
| Description | High Precision CC/CV Primary-Side Controller |
| Datasheet |
 SI1128 Datasheet
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General Description
The SI1128 is an excellent primary side feedback controller, which integrates several functions of protections.
It minimizes the components counts and is available in a tiny SOT-26 package.
Those make it an ideal design for low cost applications.
Key Features
- 5% Constant Voltage Regulation, 5%Constant Current Regulation at Universal AC input.
- Primary-side Sensing and Regulation Without TL431 and Opto-coupler.
- Low Start-up Current: 1μA (Typical).
- Low Static Current: 300μA (Typical).
- Programmable CV and CC Regulation.
- Adjustable Constant Current and Output Power Setting.
- Built-in Secondary Constant Current Control with Primary Side Feedback.
- Peak-Current-Mode Control.
- Compensates for transformer inductance.