RT8207P集成电路(IC)特殊用途稳压器规格书PDF中文资料
厂商型号 |
RT8207P |
参数属性 | RT8207P 封装/外壳为20-WFQFN 裸露焊盘;包装为管件;类别为集成电路(IC) > 特殊用途稳压器;RT8207P应用范围:控制器,DDR;产品描述:IC REG CTRLR DDR WQFN-20 |
功能描述 | Complete DDRII/DDRIII/Low-Power DDRIII/DDRIV/Low-Power DDRIV Memory Power Supply Controller |
文件大小 |
302.22 Kbytes |
页面数量 |
22 页 |
生产厂商 | Richtek USA Inc. |
企业简称 |
RichTek【台湾立绮】 |
中文名称 | 立绮科技官网 |
原厂标识 | |
数据手册 | |
更新时间 | 2024-6-19 11:19:00 |
RT8207P规格书详情
General Description
The RT8207P provides a complete power supply for both
DDRII/DDRIII/Low-Power DDRIII/DDRIV/Low-Power DDRIV
memory systems. It integrates a synchronous PWM buck
controller with a 1.5A sink/source tracking linear regulator
and buffered low noise reference.
The PWM controller provides the high efficiency, excellent
transient response, and high DC output accuracy needed
for stepping down high voltage batteries to generate low
voltage chipset RAM supplies in notebook computers.
The constant-on-time PWM control scheme handles wide
input/output voltage ratios with ease and provides 100ns
“instant-on” response to load transients while maintaining
a relatively constant switching frequency.
The RT8207P achieves high efficiency at a reduced cost
by eliminating the current sense resistor found in
traditional current mode PWMs. Efficiency is further
enhanced by its ability to drive very large synchronous
rectifier MOSFETs. The buck conversion allows this device
to directly step down high voltage batteries for the highest
possible efficiency.
The 1.5A sink/source LDO maintains fast transient
response, only requiring 20μF of ceramic output
capacitance. In addition, the LDO supply input is available
externally to significantly reduce the total power losses.
The RT8207P supports all of the sleep state controls
placing VTT at high-Z in S3 and discharging VDDQ, VTT
and VTTREF (soft-off) in S4/S5.
The RT8207P has all of the protection features including
thermal shutdown and is available in a WQFN-20L 3x3
packages.
Applications
DDRI/II/III/Low-Power DDRIII/DDRIV/Low-Power DDRIV
Memory Power Supplies
Notebook Computers
SSTL18, SSTL15 and HSTL Bus Termination
Features
PWM Controller
Resistor Programmable Current Limit by Low Side
RDS(ON) Sense
Quick Load Step Response within 100ns
1 VVDDQ Accuracy Over Line and Load
Fixed 1.8V (DDRII), 1.5V (DDRIII) or Adjustable
0.75V to 3.3V Output Range for 1.35V (Low-Power
DDRIII), 1.2V (DDRIV) and 1.1V (Low-Power
DDRIV)
4.5V to 26V Battery Input Range
Resistor Programmable Frequency
Over/Under Voltage Protection
Internal Current Limit Ramp Soft-Start
Drives Large Synchronous-Rectifier FETs
Power Good Indicator
1.5A LDO (VTT), Buffered Reference (VTTREF)
Capable to Sink and Source 1.5A
External Input Available to Minimize Power Losses
Integrated Divider Tracks 1/2 VDDQ for Both VTT
and VTTREF
Buffered Low Noise 10mA VTTREF Output
Remote Sensing (VTTSNS)
±20mV Accuracy for Both VTTREF and VTT
Supports High-Z in S3 and Soft-Off in S4/S5
RoHS Compliant and Halogen Free
RT8207P属于集成电路(IC) > 特殊用途稳压器。立绮科技制造生产的RT8207P特殊用途稳压器该系列产品用于电源控制、某种形式的转换,适用于特定的复杂应用。因此,各种产品特性集差异较大,包括空燃比传感器接口、汽车交流发电机电压调节、DDR 端接、液体透镜控制、摩托车转向信号控制、热电 (peltier) 冷却器控制、压电触觉控制、阀门控制、小型发动机管理等。
产品属性
- 产品编号:
RT8207PGQW
- 制造商:
Richtek USA Inc.
- 类别:
集成电路(IC) > 特殊用途稳压器
- 包装:
管件
- 应用:
控制器,DDR
- 电压 - 输入:
4.5V ~ 26V
- 输出数:
1
- 电压 - 输出:
多重
- 工作温度:
-40°C ~ 85°C(TA)
- 安装类型:
表面贴装型
- 封装/外壳:
20-WFQFN 裸露焊盘
- 供应商器件封装:
20-WQFN(3x3)
- 描述:
IC REG CTRLR DDR WQFN-20
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
RICHTEK/立錡 |
22+ |
QFN |
6000 |
现货,原厂原装假一罚十! |
询价 | ||
RICHTEK/立锜 |
22+ |
QFN |
9000 |
原装正品 |
询价 | ||
RICHTEK |
21+ |
QFN |
6000 |
只做原装,绝对现货,原厂代理商渠道,欢迎电话微信查 |
询价 | ||
RICHTEK |
21+ |
QFN |
12588 |
原装正品,自己库存 假一罚十 |
询价 | ||
- |
NA |
11200 |
原厂授权一级代理、全球订货优势渠道、可提供一站式BO |
询价 | |||
23+ |
N/A |
58300 |
一级代理放心采购 |
询价 | |||
RICHTEK/立锜 |
22+ |
QFN |
3900 |
原装优势!公司现货供应! |
询价 | ||
RICHTEK |
23+ |
QFN |
5500 |
原厂原装正品 |
询价 | ||
RICHTEK/立锜 |
22+ |
QFN |
10000 |
全新原装正品现货,支持订货 |
询价 | ||
RICHTEK/立锜 |
22+ |
QFN |
21000 |
原厂原包装。假一罚十。可开13%增值税发票。 |
询价 |