Shenzhen Zhixiangyuan Electronics Co., Ltd.
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This is an EE10 model vertical high-frequency transformer designed specifically for LED drivers and micro switching power supplies; It adopts a flyback circuit topology, which can work efficiently at high frequencies, and achieves voltage conversion through electromagnetic induction principle, thereby increasing the low input voltage to the high output voltage required to drive LED chips. Its compact vertical structure particularly saves circuit board space and is a key component for achieving high-voltage power supply and safe isolation in miniaturized and high-efficiency electronic devices.
Core feature analysis:
-EE10: Refers to the specifications and dimensions of the magnetic core, which is very compact and suitable for miniaturization design.
-Vertical: refers to the transformer coil being wound on the magnetic core and standing vertically on the circuit board, which is opposite to "horizontal" and can effectively reduce the board area.
-High Frequency: Designed specifically for switching frequencies ranging from tens of KHz to hundreds of KHz, this is the key to improving efficiency and reducing size in modern switching power supplies.
-Mini Flyback Transformer: specifies its working principle (flyback type) and physical characteristics of miniaturization. The flyback topology structure is simple and very suitable for low-power isolated power supplies.
-High Voltage: Its main function is to generate a sufficiently high voltage to drive multiple LED chips connected in series.
-LED: Clarified its main application area, which is used in the driving power module of LED lighting products.
| Feature Category | Characteristic | Description |
| Core & Construction | Core Type & Material | EE10 ferrite core. Offers high permeability and low losses at high frequencies. |
| Bobbin Style | Vertical (upright) mounting pin configuration. Saves horizontal PCB space. | |
| Isolation | Provides reinforced insulation between primary and secondary windings for safety. | |
| Electrical Parameters | Topology | Designed specifically for Flyback converter operation. |
| Operating Frequency | Optimized for high-frequency switching, typically in the range of 50kHz to 150kHz. | |
| Primary Inductance (Lp) | A specific, critical value (e.g., 1.2mH ±10%) set for the desired power transfer and operation mode (DCM/CCM). | |
| Turns Ratio (Np:Ns) | Fixed ratio (e.g., 1:10) that determines the approximate output voltage range and reflected voltage. | |
| Functional Performance | Input Voltage (V<sub>in</sub>) | Typically designed for a 12V DC input (e.g., from a battery or pre-regulator). |
| Output Voltage (V<sub>out</sub>) | Capable of generating a high voltage, low current DC output (e.g., hundreds of Volts) after rectification. | |
| Power Rating | Low power application, typically up to 3W - 5W maximum output power. | |
| Efficiency | High efficiency due to optimized core material and winding design for its specific power range. | |
| Application & Use | Primary Application | LED Driver circuits for driving series-connected strings of LEDs from a low-voltage source. |
| Key Usage Note | Not a generic component. Electrical parameters are custom-designed to match a specific controller IC and circuit. | |
| Compliance | Can be designed and manufactured to meet international safety standards (e.g., UL, IEC). |
