| 主权项 |
1. A Direct Current (DC) boost topology circuit for backlight driving, comprising a DC voltage input terminal, a DC voltage output terminal, a coupling inductor, a field-effect transistor that is controllable by a PWM signal, a circuit protection unit, and an energy storage module, the coupling inductor comprising a primary coil and a secondary coil, the primary coil having an end electrically connected to the DC voltage input terminal and an opposite end electrically connected to the field-effect transistor, the energy storage module comprising a first capacitor and a first diode, the secondary coil having an end electrically connected to the first capacitor and an opposite end electrically connected to said opposite end of the primary coil and the first diode, the first diode having an opposite end electrically connected to an opposite end of the first capacitor, the circuit protection unit having an end connected to a common terminal of the first diode and the first capacitor and an opposite end connected to the DC voltage output terminal, the field-effect transistor having another end electrically connected to the ground line. |
