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LT8646S集成電路(IC)的穩(wěn)壓器-DC-DC開關穩(wěn)壓器規(guī)格書PDF中文資料

LT8646S
廠商型號

LT8646S

參數屬性

LT8646S 封裝/外殼為32-TFQFN 裸露焊盤;包裝為托盤;類別為集成電路(IC)的穩(wěn)壓器-DC-DC開關穩(wěn)壓器;產品描述:IC REG BUCK ADJUSTABLE 8A 32LQFN

功能描述

降壓
42V, 10A/12A Peak Synchronous Step-Down Silent Switcher
IC REG BUCK ADJUSTABLE 8A 32LQFN

封裝外殼

32-TFQFN 裸露焊盤

文件大小

984.56 Kbytes

頁面數量

35

生產廠商

AD

中文名稱

亞德諾

網址

網址

數據手冊

原廠下載下載地址一下載地址二到原廠下載

更新時間

2025-9-2 23:01:00

人工找貨

LT8646S價格和庫存,歡迎聯系客服免費人工找貨

LT8646S規(guī)格書詳情

LT8646S屬于集成電路(IC)的穩(wěn)壓器-DC-DC開關穩(wěn)壓器。由亞德諾半導體技術有限公司制造生產的LT8646S穩(wěn)壓器 - DC-DC 開關穩(wěn)壓器DC-DC 開關穩(wěn)壓器 PMIC(電源管理集成電路)產品族中的產品是元器件級設備,用于需要穩(wěn)定 DC 輸入電壓和/或將其轉換為不同幅度的輸出電壓的應用。這些器件與稱為“控制器”PMIC 的類似產品的區(qū)別在于集成了主開關元件,設備提供的電力會通過該元件。

GENERAL DESCRIPTION

The LT?8638-2 synchronous step-down regulator

features the Silent Switcher? architecture designed to

minimize EMI emissions while delivering high efficiency

at high switching frequencies. This performance makes

the LT8638-2 ideal for noise sensitive applications and

environments.

The fast, clean, low overshoot switching edges enable

high efficiency operation even at high switching

frequencies, leading to a small overall solution size.

Peak current mode control with a 25ns minimum ontime

allows high step down ratios even at high switching

frequencies. External compensation through the VC pin

allows for fast transient response. PolyPhase operation

allows multiple LT8638-2 regulators to run with

interleaving phase shift to provide more output current.

Burst Mode operation enables low standby current

consumption, forced continuous mode can control

frequency harmonics across the entire output load

range, or spread spectrum operation can further reduce

EMI emissions. Soft-start and tracking functionality is

accessed through the SS pin, and an accurate input

voltage UVLO threshold can be set using the EN/UV pin.

FEATURES

? Silent Switcher? Architecture

? Ultralow EMI Emissions

? Optional Spread Spectrum Modulation

? High Efficiency at High Frequency

? Up to 96 Efficiency at 1MHz, 12VIN to 5VOUT

? Up to 94 Efficiency at 2MHz, 12VIN to 5VOUT

? Wide Input Voltage Range: 2.8V to 42V

? 10A Maximum Continuous, 12A Peak Transient

Output

? Fast Transient Response with External

Compensation

? Low Quiescent Current Burst Mode? Operation

? 90μA IQ Regulating 12VIN to 5VOUT

? Output Ripple < 10mVP-P

? Reference Accuracy: ±1 Over Temperature

? Fast Minimum Switch On-Time: 25ns

? PolyPhase? Operation: Up to 12 Phases

? Low Dropout Under All Conditions: 45mV at 1A

? Adjustable and Synchronizable: 200kHz to 3MHz

? Output Soft-Start and Power Good

? Safely Tolerates High Reverse Current

? 28-Lead 5mm × 4mm LQFN Package

? AEC-Q100 Qualified for Automotive Applications

APPLICATIONS

? Automotive and Industrial Supplies

? General Purpose Step-Down

產品屬性

更多
  • 產品編號:

    LT8646SEV#PBF

  • 制造商:

    Analog Devices Inc.

  • 類別:

    集成電路(IC) > 穩(wěn)壓器 - DC-DC 開關穩(wěn)壓器

  • 包裝:

    托盤

  • 功能:

    降壓

  • 輸出配置:

  • 拓撲:

    降壓

  • 輸出類型:

    可調式

  • 輸出數:

    1

  • 電壓 - 輸入(最小值):

    3.4V

  • 電壓 - 輸入(最大值):

    65V

  • 電壓 - 輸出(最小值/固定):

    0.97V

  • 電壓 - 輸出(最大值):

    12V

  • 電流 - 輸出:

    8A

  • 頻率 - 開關:

    200kHz ~ 2.2MHz

  • 同步整流器:

  • 工作溫度:

    -40°C ~ 125°C(TJ)

  • 安裝類型:

    表面貼裝型

  • 封裝/外殼:

    32-TFQFN 裸露焊盤

  • 供應商器件封裝:

    32-LQFN(6x4)

  • 描述:

    IC REG BUCK ADJUSTABLE 8A 32LQFN

供應商 型號 品牌 批號 封裝 庫存 備注 價格
ADI(亞德諾)
24+
NA/
8735
原廠直銷,現貨供應,賬期支持!
詢價
ADI(亞德諾)
24+
LQFN32
7350
原裝進口,原廠直銷!當天可交貨,支持原型號開票!
詢價
ADI/亞德諾
24+
LQFN
7850
只做原裝正品現貨或訂貨假一賠十!
詢價
ADI(亞德諾)
23+
LQFN-32
13620
公司只做原裝正品,假一賠十
詢價
ADI/亞德諾
22+
66900
原封裝
詢價
ADI/亞德諾
22+
LQFN32
8000
原裝正品,支持實單!
詢價
ADI
24+
32-Lead LQFN (6mm x 4mm x 0.94
3660
十年信譽,只做全新原裝正品現貨,以優(yōu)勢說話 !!
詢價
ADI
24+
N/A
8000
全新原裝正品,現貨銷售
詢價
ADI
25+
QFN
5000
原廠原裝,價格優(yōu)勢
詢價
ADI
23+
QFN
1960
正規(guī)渠道,只有原裝!
詢價