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MIC4576BU集成電路(IC)的穩(wěn)壓器-DC-DC開關(guān)穩(wěn)壓器規(guī)格書PDF中文資料

MIC4576BU
廠商型號(hào)

MIC4576BU

參數(shù)屬性

MIC4576BU 封裝/外殼為TO-263-6,D2Pak(5 引線 + 接片),TO-263BA;包裝為卷帶(TR)剪切帶(CT);類別為集成電路(IC)的穩(wěn)壓器-DC-DC開關(guān)穩(wěn)壓器;產(chǎn)品描述:IC REG BUCK ADJ 3A TO263-5

功能描述

200kHz Simple 3A Buck Regulator

封裝外殼

TO-263-6,D2Pak(5 引線 + 接片),TO-263BA

文件大小

218.21 Kbytes

頁面數(shù)量

8

生產(chǎn)廠商

MICREL

中文名稱

麥瑞半導(dǎo)體

網(wǎng)址

網(wǎng)址

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

2025-8-24 19:09:00

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MIC4576BU價(jià)格和庫存,歡迎聯(lián)系客服免費(fèi)人工找貨

MIC4576BU規(guī)格書詳情

General Description

The MIC4576 is a series of easy to use fixed and adjustable BiCMOS step-down (buck) switch-mode voltage regulators. The 200kHz MIC4576 duplicates the pinout and function of the 52kHz LM2576. The higher switching frequency may allow up to a 2:1 reduction in output filter inductor size.

The MIC4576 is available in 3.3V, and 5V fixed output versions or a 1.23V to 33V adjustable output version. Both versions are capable of driving a 3A load with excellent line and load regulation.

The feedback voltage is guaranteed to ±2 tolerance for adjustable versions, and the output voltage is guaranteed to ±3 for fixed versions, within specified voltages and load conditions. The oscillator frequency is guaranteed to ±10.

In shutdown mode, the regulator draws less than 200μA standby current. The regulator performs cycle-by-cycle current limiting and thermal shutdown for protection under fault conditions.

This series of simple switch-mode regulators requires a minimum number of external components and can operate using a standard series of inductors. Frequency compensation is provided internally.

The MIC4576 is available in TO-220 (T) and TO-263 (U) packages for the industrial temperature range.

特性 Features

? Fixed 200kHz operation

? 3.3V, 5V, and adjustable output versions

? Voltage over specified line and load conditions:

Fixed version: ±3 max. output voltage

Adjustable version: ±2 max. feedback voltage

? Guaranteed 3A switch current

? Wide 4V to 36V input voltage range

? Wide 1.23V to 33V output voltage range

? Requires minimum external components

? < 200μA typical shutdown mode

? 75 efficiency (adjustable version > 75 typical)

? Standard inductors are 25 of typical LM2576 values

? Thermal shutdown

? Overcurrent protection

? 100 electrical thermal limit burn-in

Applications

? Simple high-efficiency step-down (buck) regulator

? Efficient preregulator for linear regulators

? On-card switching regulators

? Positive-to-negative converter (inverting buck-boost)

? Battery Charger

? Negative boost converter

? Step-down to 3.3V for Intel Pentium?

and similar microprocessors

產(chǎn)品屬性

  • 產(chǎn)品編號(hào):

    MIC4576BU

  • 制造商:

    Microchip Technology

  • 類別:

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

  • 包裝:

    卷帶(TR)剪切帶(CT)

  • 功能:

    降壓

  • 輸出配置:

  • 拓?fù)洌?/span>

    降壓

  • 輸出類型:

    可調(diào)式

  • 輸出數(shù):

    1

  • 電壓 - 輸入(最小值):

    4V

  • 電壓 - 輸入(最大值):

    36V

  • 電壓 - 輸出(最小值/固定):

    1.23V

  • 電壓 - 輸出(最大值):

    33V

  • 電流 - 輸出:

    3A

  • 頻率 - 開關(guān):

    200kHz

  • 同步整流器:

  • 工作溫度:

    -40°C ~ 85°C(TA)

  • 安裝類型:

    表面貼裝型

  • 封裝/外殼:

    TO-263-6,D2Pak(5 引線 + 接片),TO-263BA

  • 供應(yīng)商器件封裝:

    TO-263-5

  • 描述:

    IC REG BUCK ADJ 3A TO263-5

供應(yīng)商 型號(hào) 品牌 批號(hào) 封裝 庫存 備注 價(jià)格
MICREL/麥瑞
24+
TO-263
880000
明嘉萊只做原裝正品現(xiàn)貨
詢價(jià)
MIC
24+
TO-263
20000
全新原廠原裝,進(jìn)口正品現(xiàn)貨,正規(guī)渠道可含稅!!
詢價(jià)
MICREL
0050/
TO263
22
一級(jí)代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力
詢價(jià)
MICREL
25+
TO-263
4500
全新原裝、誠信經(jīng)營、公司現(xiàn)貨銷售!
詢價(jià)
MICREL/麥瑞
23+
TO263
32732
原裝正品代理渠道價(jià)格優(yōu)勢(shì)
詢價(jià)
MICREL
23+
TO-263
20000
原裝正品,假一罰十
詢價(jià)
MIC
24+
TO-263-5
6
詢價(jià)
Micrel(麥瑞)
18+
9800
代理進(jìn)口原裝/實(shí)單價(jià)格可談
詢價(jià)
MICREL/麥瑞
2447
TO-263-5
100500
一級(jí)代理專營品牌!原裝正品,優(yōu)勢(shì)現(xiàn)貨,長期排單到貨
詢價(jià)
Microchip
22+
TO-263-6
9000
原廠渠道,現(xiàn)貨配單
詢價(jià)