Datasheet > RT6551A

RT6551A

更新时间： 2024-03-18 21:39:47

品牌	Logo	应用领域
立锜 - RICHTEK		双倍数据速率
页数	文件大小	规格书
23页	284K
描述
Complete DDR Memory Power Supply Controller

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数据手册

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RT6551A 数据手册

RT6551A/B

Features

Ordering Information

RT6551A/B

 PWM Controller

^Adjustable Current Limit with Low-Side R_DS(ON)

Sensing

Package Type

QW : WQFN-20L 3x3 (W-Type)

^Low Quiescent Supply Current

Lead Plating System

^Quick Load-Step Response within 100ns

^1% V_VDDQAccuracy Over Line and Load

^Adjustable 0.675V to 3.3V Output Range for 1.8V

(DDR2), 1.5V (DDR3), 1.35V (DDR3L), 1.2V (LPDDR3)

and 1.2V (DDR4)

G : Green (Halogen Free and Pb Free)

VDDQ and VTT Discharge Control

A : Tracing Mode

B : Non-Tracking Mode

Note :

Richtek products are :

^4.5V to 26V Battery Input Range

 RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

^Resistor Adjustable Frequency

^Over-/Under-Voltage Protection

 Suitable for use in SnPb or Pb-free soldering processes.

^Internal Voltage Ramp Soft-Start

^Drives Large Synchronous Rectifier MOSFETs

^Power Good Indicator

Marking Information

RT6551AGQW

 1.5A LDO (VTT), Buffered Reference (VTTREF)

^Capable to Sink and Source Up to 1.5A

^LDO Input Available to Optimize Power Losses

^Requires Only 10μF Ceramic Output Capacitor

^Integrated Divider Tracks 1/2 VDDQ for both VTT

and VTTREF

8N= : Product Code

YMDNN : Date Code

8N=YM

DNN

^Accuracy 20mV for both VTTREF and VTT

^Supports High-Z in S3 and Soft-Off in S4/S5

 RoHS Compliant and Halogen Free

RT6551BGQW

8M= : Product Code

YMDNN : Date Code

8M=YM

DNN

is a registered trademark of Richtek Technology Corporation.

www.richtek.com

DS6551A/B-00 May 2015

123 4 5 6 7...23

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与RT6551A相关器件

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RT6575B	RICHTEK	暂无描述	获取价格
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RT6575D	RICHTEK	暂无描述	获取价格
RT6575E	RICHTEK	暂无描述	获取价格