This datasheet includes multiple variants, all published together in a single manufacturer document.
| Part number | RT8871B |
|---|---|
| Datasheet | RT8871B RT8871A Datasheet (PDF) |
| File Size | 430.28 KB |
| Manufacturer | Richtek |
| Description | 4/3/2-Phase PWM Controller |
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The RT8871A/B is a 4/3/2-phase synchronous buck controller with two integrated MOSFET drivers for CPU power application and a single-phase buck with integrated MOSFET driver for North-Bridge (NB) chipset. The RT8871A/B uses differential inductor DCR current sense to achieve phase current balance and active voltage positioning.
| Part Number | Description |
|---|---|
| RT8871A | 4/3/2-Phase PWM Controller |
| RT8870A | Dual-Output PWM Controller |
| RT8876A | Dual Channel PWM Controller |
| RT8876B | Dual Channel PWM Controller |
| RT8877C | Dual-Output PWM Controller |
| RT8877D | Dual-Output PWM Controller |
| RT8877F | Dual-Output PWM Controller |
| RT8878A | Dual-Output PWM Controller |
| RT8878B | Dual-Output PWM Controller |
| RT8811B | Dual-Phase COT Buck PWM Controller |
