| TYPE | DESCRIPTION |
|---|
| Supply Voltage (DC) | 3.00 V (min) |
| Case/Package | HTSSOP |
| Number of Outputs | 1 Output |
| Quiescent Current | 4.00 mA |
| Number of Regulated Outputs | 1 Output |
| Topology | Boost |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Cut Tape (CT) |
The LM25122 is a multiphase capable synchronous boost controller intended for high-efficiency synchronous boost regulator applications. The control method is based upon peak current mode control. Current mode control provides inherent line feed-forward, cycle-by-cycle current limiting and ease of loop compensation.
●The switching frequency is programmable up to 600 kHz. Higher efficiency is achieved by two robust N-channel MOSFET gate drivers with adaptive dead-time control. A user-selectable diode emulation mode also enables discontinuous mode operation for improved efficiency at light load conditions.
●An internal charge pump allows 100% duty cycle for high-side synchronous switch (Bypass operation). A 180° phase shifted clock output enables easy multi-phase interleaved configuration. Additional features include thermal shutdown, frequency synchronization, hiccup mode current limit and adjustable line undervoltage lockout.
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Automotive Grade, 3-42V Wide Vin, Synchronous Boost Controller with Multiphase Capability 20-HTSSOP -40℃ to 125℃
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