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RT3678BE中文资料
RT3678BE数据手册规格书PDF详情
General Description
The RT3678BE is a synchronous buck controller which supports dual output rails and can fully meet AMD SVI3 requirements. The RT3678BE adopts G-NAVPTM (Green Native AVP), which is Richtek’s proprietary topology derived from finite DC gain of EA amplifier with current mode control, making it easy to set the droop to meet all AMD CPU/GPU requirements of AVP (Adaptive Voltage Positioning). Based on the G-NAVPTM topology, the RT3678BE features a new generation of quick response mechanism (Adaptive Quick Response, AQR) to optimize AVP performance during load transient and reduce output capacitors. The RT3678BE integrates a high accuracy ADC for reporting and a non-volatile memory (NVM) to store custom configurations, such as output current scale, auto phase add/drop threshold, switching frequency, overcurrent threshold or AQR trigger level. It also features full fault protection functions, including overvoltage (OV), undervoltage (UV), overcurrent (OC) and undervoltage lockout (UVLO), over-temperature protection (OTP), VR-hot warning, CRC failure and communication failure. The RT3678BE provides independent enable, power good and temperature sensing for each output rail. It also supports several functions which can be set by the I2C interface.
Applications
AMD SVI3 VDDCR/VDDCR_SOC Rails
Desktop and Notebook Computer
AVP Step-Down Converter
Features
AMD SVI3 Rev 1.01 Compatible
8 Phase (Rail A) + 2 Phase (Rail B) PWM Controller
G-NAVPTM (Green Native Adaptive Voltage Positioning) Topology
0.5 DAC Accuracy
Differential Remote Voltage Sensing
Built-in ADC for Reporting
Accurate Current Balance
Diode Emulation Mode (DEM) at Light Load
Fast Transient Response: Adaptive Quick Response (AQR)
OVP, OCP and UVP with Flag
Switching Frequency Setting
Auto Phase Add/Drop with DEM for Excellent Efficiency
Voltage On-the-Fly (VOTF) Enhancement
Acoustic Noise Suppression
Zero Load-line
Standard I2C Protocol Interface
Internal Non-Volatile Memory (NVM) to Store
Custom Configurations
Current Balance Gain Adjustment for Thermal Balance
Dynamic Load-line Setting
Voltage Offset Setting
Fixed VID Setting
Protection Report and Protection Disable
Output Voltage / Output Current / Temperature / Input Power Monitoring
Soldering Good Detection
Small 68-Lead WQFN Package
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
RALINK |
23+ |
QFN |
11200 |
原厂授权一级代理、全球订货优势渠道、可提供一站式BO |
|||
RYCHIP/蕊源 |
24+ |
NA/ |
3100 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
|||
RYCHIP/蕊源 |
23+ |
SOT23-6 |
50000 |
全新原装正品现货,支持订货 |
|||
RYCHIP/蕊源 |
24+ |
SOT23-6 |
60000 |
||||
TE Connectivity |
2022+ |
1 |
全新原装 货期两周 |
||||
RAYCHEM |
24+ |
con |
10000 |
查现货到京北通宇商城 |
|||
RAYCHEM |
24+ |
con |
2500 |
优势库存,原装正品 |
|||
TE |
22+ |
NA |
2784 |
原装正品绝对优势 |
|||
SMD |
2447 |
SMD |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
|||
TE/泰科 |
2508+ |
/ |
330135 |
一级代理,原装现货 |
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