MAX1831 Datasheet

IC型號(hào)：
MAX1831
PDF描述：
"3A, 1MHz, Low-Voltage, Step- Down Regulators with Synchrono...
文件大小：
278.76KB
芯片廠家：
Maxim

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上傳產(chǎn)品規(guī)格書(shū)

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19-2198; Rev 0; 10/01

KIT

EVALUATION

AVAILABLE

3A銆?MHz銆侊拷½錕介浕鍦с€佸悓鏈熸暣嫻併亰銈堛伋鍐呴儴銈廣偆銉冦儊浠?/div>

銈廣儐銉冦儣銉€銈︺兂銉偖銉ャ儸銉箋偪

姒傝

_______________________________

MAX1830/1831銇€佷竴瀹氥偑銉曟檪闁撱儜銉偣騫呭瑾?PWM)

銇偣銉嗐儍銉椼儉銈︺兂DC-DC銈熾兂銉愩兗銈褲仹銆併儙銉箋儓銉栥儍銈?/div>

銇娿倛銇熾偟銉栥儙銉箋儓銉栥儍銈瀷銈熾兂銉斻儱銉箋偪銇繀瑕併仺銇曘倢銈?/div>

5V銇娿倛銇?.3V銇嬨倝錕?frac12;錕介浕鍦у鎻涖伀鏈€閬┿仹銇欍€傘亾銈屻倝銇?/div>

銉囥儛銈ゃ偣銇珮鍔圭巼銇ч儴鍝佺偣鏁般倰鍓婃笡銇欍倠鍐呴儴鍚屾湡鏁存祦銈?/div>

鐗歸暦銇ㄣ仐銇︺亜銇俱仚銆傚浠樸亼銈楓儳銉冦儓銈儉銈ゃ偑銉箋儔銇笉瑕?/div>

銇с仚銆傚唴閮?5m鈩MOS銈廣偆銉冦儊銇?5m鈩MOS鍚屾湡

鏁存祦銈廣偆銉冦儊銇倛銇ｃ仸銆佹渶楂?A銇俱仹銇€ｇ稓璨犺嵎闆繪祦銈?/div>

瀹規(guī)槗銇緵緄︺仹銇嶃伨銇欍€侻AX1830銇伅銉椼儶銈匯儍銉堛仌銈屻仧

+2.5V銆?1.8V銆併伨銇熴伅+1.5V銇嚭鍔涢浕鍦с€併亗銈嬨亜銇?/div>

+1.1V銇嬨倝VIN銇俱仹銇彲澶夊嚭鍔涖倰鐢熸垚銇椼伨銇欍€傛渶楂?4%

銇姽鐜囥倰閬旀垚銇椼伨銇欍€?/div>

MAX1830/1831銇€侊拷½璨犺嵎鍕曪拷½錕戒腑銇珮鍔圭巼銈掔董鎸併仚銈?/div>

銇熴倎銇獻(xiàn)dle Mode

銈掑惈銈€(gè)鐙嚜銇浕嫻併儮銉箋儔銆佷竴瀹氥偑銉?/div>

鏅傞枔P(yáng)WM鍒跺盡鏂規(guī)硶銈掓帯鐢ㄣ仐銇︺亜銇俱仚銆傝ō瀹氬彲錕?frac12;銇竴瀹?/div>

銈儠鏅傞枔銈兗銈儐銈儊銉ｃ伅銆佹渶楂橈紤MHz銇俱仹銇偣銈ゃ儍

銉併兂銈板懆娉㈡暟銈掕ō瀹氥仐銆佸姽鐜囥€佸嚭鍔涖偣銈ゃ儍銉併兂銈般儙銈ゃ偤銆?/div>

閮ㄥ搧銇偟銈ゃ偤銆併亰銈堛伋銈熾偣銉堥枔銇€э拷½銉堛儸銉箋儔銈儠銈?/div>

鏈€閬╁寲銇椼伨銇欍€備浮銉囥儛銈ゃ偣銇€佹渶楂?A銇俱仹銇€ｇ稓鍑哄姏

闆繪祦銆佽搗鍕曟檪銇偟銉箋偢闆繪祦銈掑埗闄愩仚銈嬪唴閮ㄣ儑銈ｃ偢銈褲儷

錕?frac12;銉曘儓銈廣偪銉箋儓銆侊拷½錕姐儔銉儍銉椼偄銈︺儓鍕曪拷½錕姐伄銇熴倎銇?00%

銉囥儱銉箋儐銈ｃ偟銈ゃ偗銉儮銉箋儔銆併亰銈堛伋鍏ュ姏銇嬨倝鍑哄姏銇儜銈?/div>

銈掋偑銉曘仐銇︽秷璨婚浕嫻併倰1碌A(chǔ)浠ヤ笅銇拷½錕芥笡銇欍倠錕?frac12;錕姐偡銉ｃ儍銉?/div>

銉€銈︺兂銉兗銉夈亴璦▓銇曘倢銇︺亜銇俱仚銆侻AX1830/1831

銇?6銉斻兂QSOP銉戙儍銈便兗銈搞仹鎻愪緵銇曘倢銇︺亜銇俱仚銆?/div>

1A銇嬨倝3A銇俱仹銇€ｇ稓鍑哄姏闆繪祦銈掓彁渚涖仚銈嬮浼箋儑銉愩偆銈?/div>

銇仱銇勩仸銇€?/div>

MAX1644銆?/div>

MAX1623銆?/div>

銇娿倛銇矼AX1742/

MAX1842/MAX1843銇儑銉箋偪銈楓兗銉堛倰鍙傜収銇椼仸

涓嬨仌銇勩€?/div>

MAX1830/MAX1831

鐗歸暦

_______________________________

鍑哄姏綺懼害錛?1.5%

鍔圭巼錛?4%

鍐呴儴PMOS/NMOS銈廣偆銉冦儊

銈兂鎶墊姉錛?5m鈩?55m鈩︼紶V

= +4.5V

銈兂鎶墊姉錛?0m鈩?55m鈩︼紶V

= +3V

鍑哄姏闆誨湩

+3.3V銆?2.5V銆併伨銇熴伅+1.5V銉斻兂閬告姙鍙拷½

錛圡AX1831錛?/div>

+2.5V銆?1.8V銆併伨銇熴伅+1.5V銉斻兂閬告姙鍙拷½

錛圡AX1830錛?/div>

+1.1V ~V

鍙(涓°儑銉愩偆銈?

鍏ュ姏闆誨湩綃勫洸錛?3.0V鈭?5.5V

鍕曪拷½錕芥秷璨婚浕嫻侊細(xì)750碌A(chǔ) (max)

銈楓儯銉冦儓銉€銈︺兂娑堣不闆繪祦錛?碌A(chǔ) 浠ヤ笅

璦畾鍙拷½銇竴瀹氥偑銉曟檪闁撳嫊錕?frac12;錕?/div>

銈廣偆銉冦儊銉熾偘鍛ㄦ嘗鏁幫細(xì)鏈€楂?MHz

錕?frac12;璨犺嵎鏅傘伄Idle Mode鍕曪拷½錕?/div>

銈點(diǎn)兗銉?yōu)銉倵鲀ｃ儍銉堛儉銈︺兂

鍐呴儴銉囥偅銈搞偪銉拷½銉曘儓銈廣偪銉箋儓銇х獊鍏ラ浕嫻併倰鍒墮檺

錕?frac12;錕姐儔銉儍銉椼偄銈︺儓鍕曪拷½錕戒腑銇?00%銉囥儱銉箋儐銈ｃ偟銈ゃ偗銉?/div>

鍑哄姏鐭怠淇濊

16銉斻兂QSOP銉戙儍銈便兗銈?/div>

鍨嬬暘

_______________________________

PART

MAX1830EEE

MAX1831EEE

TEMP. RANGE

-40擄C to +85擄C

PIN-PACKAGE

16 QSOP

妯欐簴鍕曪拷½錕藉洖璺?/div>

________________________

INPUT

+3V TO

+5.5V

OUTPUT

+1.1V TO

銈儣銉偙銉箋偡銉с兂_____________________

5V銇俱仧銇?.3V銇嬨倝錕?frac12;錕介浕鍦с伕銇鎻?/div>

CPU I/O闆繪簮

銉併儍銉椼偦銉冦儓闆繪簮

銉庛兗銉堛儢銉冦偗銇娿倛銇熾偟銉栥儙銉箋儓銉栥儍銈瀷銈熾兂銉斻儱銉箋偪

SHDN

COMP

TOFF

MAX1830

MAX1831

PGND

GND

FBSEL

REF

銉斻兂閰嶏拷½錕姐伅銉囥兗銈褲偡銉箋儓銇渶寰屻伀銇傘倞銇俱仚銆?/div>

Idle Mode銇疢axim Integrated Products, Inc.銇櫥閷插晢妯?/div>

銇с仚銆?/div>

________________________________________________________________

Maxim Integrated Products

鏈儑銉箋偪銈楓兗銉堛伀璦樿級(jí)銇曘倢銇熷唴瀹廣伅銆佽嫳瑾炪伀銈堛倠銉?yōu)銈倵鲀牻C俱伄鍏紡銇儑銉箋偪銈楓兗銉堛倰緲昏ǔ銇椼仧銈傘伄銇с仚銆傜炕璦熾伀銈堛倞鐢熴仒銈嬬浉閬曞強(qiáng)銇寵銈娿伀

銇ゃ亜銇︺伄璨換銇矤銇勩亱銇伨銇欍€傛紕恒仾鍐呭銇妸鎻°伀銇優(yōu)銈偡銉犵ぞ銇嫳瑾炪伄銉囥兗銈褲偡銉箋儓銈掋仈鍙傜収涓嬨仌銇勩€?/div>

鐒℃枡銈點(diǎn)兂銉椼儷鍙?qiáng)銇虫渶鏂扮増銉囥兗銈褲偡銉箋儓銇叆鎵嬨伀銇優(yōu)銈偡銉犵ぞ銇儧銉箋儬銉氥兗銈搞倰銇斿埄鐢ㄤ笅銇曘亜銆倃ww.maxim-ic.com

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