MAX1831 Datasheet

  • MAX1831

  • "3A, 1MHz, Low-Voltage, Step- Down Regulators with Synchrono...

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  • Maxim

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19-2198; Rev 0; 10/01
KIT
EVALUATION
AVAILABLE
3A銆?MHz銆侊拷½锟介浕鍦с€佸悓鏈熸暣娴併亰銈堛伋鍐呴儴銈广偆銉冦儊浠?/div>
銈广儐銉冦儣銉€銈︺兂銉偖銉ャ儸銉笺偪
姒傝
_______________________________
MAX1830/1831銇€佷竴瀹氥偑銉曟檪闁撱儜銉偣骞呭瑾?PWM)
銇偣銉嗐儍銉椼儉銈︺兂DC-DC銈炽兂銉愩兗銈裤仹銆併儙銉笺儓銉栥儍銈?/div>
銇娿倛銇炽偟銉栥儙銉笺儓銉栥儍銈瀷銈炽兂銉斻儱銉笺偪銇繀瑕併仺銇曘倢銈?/div>
5V銇娿倛銇?.3V銇嬨倝锟?frac12;锟介浕鍦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>
鐗归暦銇ㄣ仐銇︺亜銇俱仚銆傚浠樸亼銈枫儳銉冦儓銈儉銈ゃ偑銉笺儔銇笉瑕?/div>
銇с仚銆傚唴閮?5m鈩MOS銈广偆銉冦儊銇?5m鈩MOS鍚屾湡
鏁存祦銈广偆銉冦儊銇倛銇c仸銆佹渶楂?A銇俱仹銇€g稓璨犺嵎闆绘祦銈?/div>
瀹规槗銇緵绲︺仹銇嶃伨銇欍€侻AX1830銇伅銉椼儶銈汇儍銉堛仌銈屻仧
+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锟戒腑銇珮鍔圭巼銈掔董鎸併仚銈?/div>
銇熴倎銇獻dle Mode
TM
銈掑惈銈€鐙嚜銇浕娴併儮銉笺儔銆佷竴瀹氥偑銉?/div>
鏅傞枔PWM鍒跺尽鏂规硶銈掓帯鐢ㄣ仐銇︺亜銇俱仚銆傝ō瀹氬彲锟?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炽偣銉堥枔銇€э拷½銉堛儸銉笺儔銈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
闆绘祦銆佽捣鍕曟檪銇偟銉笺偢闆绘祦銈掑埗闄愩仚銈嬪唴閮ㄣ儑銈c偢銈裤儷
锟?frac12;銉曘儓銈广偪銉笺儓銆侊拷½锟姐儔銉儍銉椼偄銈︺儓鍕曪拷½锟姐伄銇熴倎銇?00%
銉囥儱銉笺儐銈c偟銈ゃ偗銉儮銉笺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︽秷璨婚浕娴併倰1碌A浠ヤ笅銇拷½锟芥笡銇欍倠锟?frac12;锟姐偡銉c儍銉?/div>
銉€銈︺兂銉兗銉夈亴瑷▓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稓鍑哄姏闆绘祦銈掓彁渚涖仚銈嬮浼笺儑銉愩偆銈?/div>
銇仱銇勩仸銇€?/div>
MAX1644銆?/div>
MAX1623銆?/div>
銇娿倛銇矼AX1742/
MAX1842/MAX1843銇儑銉笺偪銈枫兗銉堛倰鍙傜収銇椼仸
涓嬨仌銇勩€?/div>
MAX1830/MAX1831
鐗归暦
_______________________________
x
鍑哄姏绮惧害锛?1.5%
x
鍔圭巼锛?4%
x
鍐呴儴PMOS/NMOS銈广偆銉冦儊
銈兂鎶垫姉锛?5m鈩?55m鈩︼紶V
IN
= +4.5V
銈兂鎶垫姉锛?0m鈩?55m鈩︼紶V
IN
= +3V
x
鍑哄姏闆诲湩
+3.3V銆?2.5V銆併伨銇熴伅+1.5V銉斻兂閬告姙鍙拷½
锛圡AX1831锛?/div>
+2.5V銆?1.8V銆併伨銇熴伅+1.5V銉斻兂閬告姙鍙拷½
锛圡AX1830锛?/div>
+1.1V ~V
IN
鍙(涓°儑銉愩偆銈?
x
鍏ュ姏闆诲湩绡勫洸锛?3.0V鈭?5.5V
x
鍕曪拷½锟芥秷璨婚浕娴侊細750碌A (max)
x
銈枫儯銉冦儓銉€銈︺兂娑堣不闆绘祦锛?碌A 浠ヤ笅
x
瑷畾鍙拷½銇竴瀹氥偑銉曟檪闁撳嫊锟?frac12;锟?/div>
x
銈广偆銉冦儊銉炽偘鍛ㄦ尝鏁帮細鏈€楂?MHz
x
锟?frac12;璨犺嵎鏅傘伄Idle Mode鍕曪拷½锟?/div>
x
銈点兗銉炪儷銈枫儯銉冦儓銉€銈︺兂
x
鍐呴儴銉囥偅銈搞偪銉拷½銉曘儓銈广偪銉笺儓銇х獊鍏ラ浕娴併倰鍒堕檺
x
锟?frac12;锟姐儔銉儍銉椼偄銈︺儓鍕曪拷½锟戒腑銇?00%銉囥儱銉笺儐銈c偟銈ゃ偗銉?/div>
x
鍑哄姏鐭怠淇濊
x
16銉斻兂QSOP銉戙儍銈便兗銈?/div>
鍨嬬暘
_______________________________
PART
MAX1830EEE
MAX1831EEE
TEMP. RANGE
-40掳C to +85掳C
-40掳C to +85掳C
PIN-PACKAGE
16 QSOP
16 QSOP
妯欐簴鍕曪拷½锟藉洖璺?/div>
________________________
INPUT
+3V TO
+5.5V
IN
LX
OUTPUT
+1.1V TO
V
IN
銈儣銉偙銉笺偡銉с兂_____________________
5V銇俱仧銇?.3V銇嬨倝锟?frac12;锟介浕鍦с伕銇鎻?/div>
CPU I/O闆绘簮
銉併儍銉椼偦銉冦儓闆绘簮
銉庛兗銉堛儢銉冦偗銇娿倛銇炽偟銉栥儙銉笺儓銉栥儍銈瀷銈炽兂銉斻儱銉笺偪
SHDN
COMP
TOFF
MAX1830
FB
MAX1831
V
CC
PGND
GND
FBSEL
REF
銉斻兂閰嶏拷½锟姐伅銉囥兗銈裤偡銉笺儓銇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
1
鏈儑銉笺偪銈枫兗銉堛伀瑷樿級銇曘倢銇熷唴瀹广伅銆佽嫳瑾炪伀銈堛倠銉炪偔銈枫儬绀俱伄鍏紡銇儑銉笺偪銈枫兗銉堛倰缈昏ǔ銇椼仧銈傘伄銇с仚銆傜炕瑷炽伀銈堛倞鐢熴仒銈嬬浉閬曞強銇宠銈娿伀
銇ゃ亜銇︺伄璨换銇矤銇勩亱銇伨銇欍€傛纰恒仾鍐呭銇妸鎻°伀銇優銈偡銉犵ぞ銇嫳瑾炪伄銉囥兗銈裤偡銉笺儓銈掋仈鍙傜収涓嬨仌銇勩€?/div>
鐒℃枡銈点兂銉椼儷鍙娿伋鏈€鏂扮増銉囥兗銈裤偡銉笺儓銇叆鎵嬨伀銇優銈偡銉犵ぞ銇儧銉笺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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