The RT8855 is a 4/3/2/1-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 RT8855 uses differential inductor DCR current sense to achieve phase current balance and active voltage positioning. Other features include adjustable op.
include adjustable operating frequency, power good indication, external error-amp compensation, over voltage protection, over current protection and enable/ shutdown for various applications. The RT8855 comes to a small footprint with WQFN-48L 7x7 package.
Applications
Desktop CPU Core Power
Low Voltage, High Current DC/ DC Converter
Ordering Information
RT8855
Package Type QW : WQFN-48L 7x7 (W-Type)
Note :
Lead Plating System G : Green (Halogen Free and Pb Free)
Richtek products are :
RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
Suita.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | RT8856 |
Richtek |
Multi-Phase PWM Controller | |
2 | RT8857 |
Richtek |
4/3/2/1-Phase PWM Controller | |
3 | RT8857A |
Richtek |
4/3/2/1-Phase PWM Controller | |
4 | RT8859M |
Richtek |
Multi-Phase PWM Controller | |
5 | RT88 |
LRC |
AUTOMOTIVE BRIDGE RECTIFIERS | |
6 | RT8800 |
Richtek Technology |
General Purpose 2/3-Phase PWM Controller | |
7 | RT8800A |
Richtek Technology |
General Purpose 3-Phase PWM Controller | |
8 | RT8800B |
Richtek Technology |
General Purpose 2/3-Phase PWM Controller | |
9 | RT8801 |
Richtek Technology |
Multi-Phase PWM Controller | |
10 | RT8801B |
Richtek Technology |
Multi-Phase PWM Controller | |
11 | RT8802A |
Richtek Technology |
2/3/4/5-Phase PWM Controller | |
12 | RT8803A |
Richtek Technology |
2/3-Phase PWM Controller |