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RT8231A集成電路(IC)的特殊用途穩(wěn)壓器規(guī)格書PDF中文資料

RT8231A
廠商型號(hào)

RT8231A

參數(shù)屬性

RT8231A 封裝/外殼為20-WFQFN 裸露焊盤;包裝為管件;類別為集成電路(IC)的特殊用途穩(wěn)壓器;RT8231A應(yīng)用范圍:控制器,DDR;產(chǎn)品描述:IC REG CTRLR DDR 1OUT 20LWQFN

功能描述

Complete DDR Memory Power Supply Controller

封裝外殼

20-WFQFN 裸露焊盤

文件大小

306.53 Kbytes

頁(yè)面數(shù)量

23 頁(yè)

生產(chǎn)廠商 Richtek Technology Corporation
企業(yè)簡(jiǎn)稱

RICHTEK立锜科技

中文名稱

立锜科技股份有限公司官網(wǎng)

原廠標(biāo)識(shí)
數(shù)據(jù)手冊(cè)

下載地址一下載地址二到原廠下載

更新時(shí)間

2025-7-11 10:34:00

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RT8231A規(guī)格書詳情

General Description

The RT8231A/B provides a complete power supply for

DDR2/DDR3/DDR3L/LPDDR3/DDR4/LPDDR4 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 low quiescent current,

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 RT8231A/B 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 a 10μF ceramic output capacitor.

In addition, the LDO supply input is available externally

to significantly reduce the total power losses. The

RT8231A/B 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 RT8231A/B provides protections including OVP, UVP,

and thermal shutdown. The RT8231A/B is available in the

WQFN-20L 3x3 package.

Applications

? DDR2/DDR3/DDR3L/LPDDR3/DDR4/LPDDR4 Memory

Power Supplies

? Notebook computers

? SSTL18, SSTL15 and HSTL bus termination

產(chǎn)品屬性

  • 產(chǎn)品編號(hào):

    RT8231AGQW

  • 制造商:

    Richtek USA Inc.

  • 類別:

    集成電路(IC) > 特殊用途穩(wěn)壓器

  • 包裝:

    管件

  • 應(yīng)用:

    控制器,DDR

  • 電壓 - 輸入:

    4.5V ~ 26V

  • 輸出數(shù):

    1

  • 電壓 - 輸出:

    多重

  • 工作溫度:

    -40°C ~ 85°C(TA)

  • 安裝類型:

    表面貼裝型

  • 封裝/外殼:

    20-WFQFN 裸露焊盤

  • 供應(yīng)商器件封裝:

    20-WQFN(3x3)

  • 描述:

    IC REG CTRLR DDR 1OUT 20LWQFN

供應(yīng)商 型號(hào) 品牌 批號(hào) 封裝 庫(kù)存 備注 價(jià)格
RICHTEK
24+
WQFN-20
39500
進(jìn)口原裝現(xiàn)貨 支持實(shí)單價(jià)優(yōu)
詢價(jià)
RICHTEK/立锜
16+
WQFN3X3
28259
進(jìn)口原盤原袋現(xiàn)貨/1500
詢價(jià)
RICHTEK
23+
WQFN-20
30000
代理全新原裝現(xiàn)貨,價(jià)格優(yōu)勢(shì)
詢價(jià)
RICHTEK
23+
QFN20
8560
受權(quán)代理!全新原裝現(xiàn)貨特價(jià)熱賣!
詢價(jià)
RICHTEK最低價(jià)格
24+
WQFN20
21000
市場(chǎng)最低 原裝現(xiàn)貨 假一罰百 可開原型號(hào)
詢價(jià)
RICHTEK/立锜
2023+
WQFN
55880
一級(jí)代理優(yōu)勢(shì)現(xiàn)貨,全新正品直營(yíng)店
詢價(jià)
RICHTEK/立锜
2402+
QFN
8324
原裝正品!實(shí)單價(jià)優(yōu)!
詢價(jià)
RICHTEK/立锜
24+
WQFN
55880
原裝正品現(xiàn)貨供應(yīng)
詢價(jià)
RICHTER
23+
WQFN20
20000
詢價(jià)
RICHTEK(臺(tái)灣立锜)
24+
SOT-23
10000
詢價(jià)