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位置:RT8228AGQW > RT8228AGQW詳情

RT8228AGQW中文資料

廠家型號(hào)

RT8228AGQW

文件大小

201.03Kbytes

頁面數(shù)量

15

功能描述

Single Synchronous Buck PWM Controller

數(shù)據(jù)手冊(cè)

下載地址一下載地址二到原廠下載

簡(jiǎn)稱

RICHTEK立锜科技

生產(chǎn)廠商

Richtek Technology Corporation

中文名稱

立锜科技股份有限公司官網(wǎng)

LOGO

RT8228AGQW數(shù)據(jù)手冊(cè)規(guī)格書PDF詳情

General Description

The RT8228A PWM controller provides high efficiency,

excellent transient response, and high DC output accuracy

needed for stepping down high voltage batteries to

generate low voltage CPU core, I/O, and 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 RT8228A 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 and enter diode emulation mode at

light load condition. The buck conversion allows this device

to directly step down high voltage batteries at the highest

possible efficiency. The Audio Skipping Mode (ASM)

setting maintains the switching frequency above 25kHz,

which eliminates noise in audio applications. The RT8228A

is intended for CPU core, chipset, DRAM, or other low

voltage supplies as low as 0.5V. The RT8228A is available

in a WQFN-12L 2x2 package.

Applications

? Notebook Computers

? CPU Core Supply

? Chipset/RAM Supply as Low as 0.5V

? Generic DC/DC Power Regulator

Features

? Built in 1 0.5V Reference Voltage

? Adjustable 0.5V to 3.3V Output Range

? Quick Load Step Response within 100ns

? 4700ppm/°C Programmable Current Limit by Low

Side RDS(ON) Sensing

? 4.5V to 26V Battery Input Range

? Resistor Programmable Frequency

? Internal Ramp Current Limit Soft-Start Control

? Drives Large Synchronous Rectifier FETs

? Integrated Boost Switch

? Over/Under Voltage Protection

? Thermal Shutdown

? Power Good Indicator

? RoHS Compliant and Halogen Free

更新時(shí)間:2025-7-10 17:20:00
供應(yīng)商 型號(hào) 品牌 批號(hào) 封裝 庫存 備注 價(jià)格
RICHTEK
1741+
WQFN-12
6528
只做進(jìn)口原裝正品假一賠十!
RICHTEK
17+
WQFN-12
60000
保證進(jìn)口原裝可開17%增值稅發(fā)票
RICHTEK
24+
WQFN-12
65200
一級(jí)代理/放心采購(gòu)
RICHTEK
1119+
DFN12
2073
一級(jí)代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力
RICHTEK
23+
DFN12
12800
##公司主營(yíng)品牌長(zhǎng)期供應(yīng)100%原裝現(xiàn)貨可含稅提供技術(shù)
RICHTEK
23+
DFN12
2185
全新原裝正品現(xiàn)貨,支持訂貨
RICHTEK/立锜
23+
QFN
11200
原廠授權(quán)一級(jí)代理、全球訂貨優(yōu)勢(shì)渠道、可提供一站式BO
RICHTEK
20+
QFN-12
1001
就找我吧!--邀您體驗(yàn)愉快問購(gòu)元件!
RICHTEK
23+
WQFN-12
2606
原廠原裝正品
RICHTEK
24+
WQFN-12L
5000
全新原裝正品,現(xiàn)貨銷售

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Richtek Technology Corporation 立锜科技股份有限公司

中文資料: 9985條

立锜科技(Richtek Technology Corporation)是一間國(guó)際級(jí)的模擬IC設(shè)計(jì)公司,專注于提供客戶多元且具競(jìng)爭(zhēng)力的產(chǎn)品以及完整的電源管理解決方案。自成立以來,立锜專注于整合技術(shù)能力、堅(jiān)持質(zhì)量和積極的客戶服務(wù),以提供客戶產(chǎn)品價(jià)值為宗旨,產(chǎn)品廣泛應(yīng)用于電腦、消費(fèi)性終端產(chǎn)品、網(wǎng)絡(luò)通訊裝置、大尺寸面板顯示器等領(lǐng)域。立锜成立于1998年,總公司設(shè)立于臺(tái)灣新竹,并且在亞洲、美國(guó)和歐洲各地設(shè)有服務(wù)據(jù)點(diǎn)。 公司的愿景是提供客戶完整的電源管理解決方案,以降低成本,提升競(jìng)爭(zhēng)力;屹立在電源管理的領(lǐng)域里,無論是技術(shù)、質(zhì)量、成本、服務(wù)及市場(chǎng)占有率上,均具有領(lǐng)導(dǎo)地位;同時(shí),立锜致力于建立電源管理頂尖專