MAX1821 Datasheet

  • MAX1821

  • WCDMA Cellular Phone 600mA Buck Regulators

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  • Maxim   Maxim

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19-2011; Rev 0; 5/01
KIT
ATION
EVALU
E
BL
AVAILA
WCDMA銈汇儷銉╅浕瑭辩敤600mA
銉愩儍銈儸銈儱銉兗銈?/div>
鐗归暦
_______________________________
鈾?/div>
鍕曠殑鍙鍑哄姏锛?.4V鈭?.4V(MAX1820)
鈾?/div>
瑷畾鍙拷½銇浐瀹氬嚭鍔涳細1.25V鈭?.5V(MAX1821)
鈾?/div>
13MHz澶栭儴銈儹銉冦偗銇悓鏈?MAX1820X)
鈾?/div>
19.8MHz澶栭儴銈儹銉冦偗銇悓鏈?MAX1820Y)
鈾?/div>
闈炲悓鏈熴伄1MHz鍐呴儴鐧烘尟鍣?MAX1820Z)
鈾?/div>
锟?frac12;锟借嚜宸辨秷璨婚浕娴?/div>
銈广偔銉冦儣銉兗銉夋檪锛?80碌A(typ)
銈枫儯銉冦儓銉€銈︺兂銉兗銉夋檪锛?.1碌A(typ)
鈾?/div>
澶栦粯锟斤拷锟姐儳銉冦儓銈儉銈ゃ偑銉笺儔涓嶈
鈾?/div>
淇濊鍑哄姏闆绘祦锛?00mA
鈾?/div>
銉囥儱銉笺儐銈c偟銈ゃ偗銉嫊锟?frac12;锟斤細0%鈭?00%
鈾?/div>
600mA璨犺嵎銇亰銇戙倠銉夈儹銉冦儣銈偊銉堬細150mV
(澶栭儴銈ゃ兂銉€銈偪銇甊
DC
銈掑惈銈€)
鈾?/div>
銉戙儍銈便兗銈革細碌MAX鍙堛伅UCSP
姒傝
_______________________________
MAX1820/MAX1821銇€乄CDMA銈汇儷銉╅浕瑭辩敤PA銇?/div>
銇浕婧愪緵绲︺伀鏈€閬╁寲銇曘倢銇燂拷½锟姐儔銉儍銉椼偄銈︺儓銆併儜銉偣
骞呭瑾?PWM)DC-DC銉愩儍銈儸銈儱銉兗銈裤仹銇欍€傘亾銈屻倝
銇儑銉愩偆銈广伅銆侀珮鍔圭巼銇屽劒鍏堛仌銈屻倠浠栥伄澶氥亸銇偄銉椼儶
銈便兗銈枫儳銉炽伀銈傞仼銇椼仸銇勩伨銇欍€傞浕婧愰浕鍦х瘎鍥层伅2.6V鈭?/div>
5.5V銇с€佸嚭鍔涢浕娴?00mA銇屼繚瑷笺仌銈屻仸銇勩伨銇欍€侾WM
銈广偆銉冦儊銉炽偘銇?MHz銇с亗銈嬨仧銈佸浠橀儴鍝併倰灏忓瀷鍖栥仹銇嶃倠
涓娿€併偣銈儍銉椼儮銉笺儔銇倛銈婏拷½璨犺嵎鏅傘伄鑷繁娑堣不闆绘祦銈?/div>
180碌A銇拷½锟芥笡銇椼伨銇欍€?/div>
MAX1820銇€?.4V鈭?.4V銇瘎鍥层伄鍙鍑哄姏闆诲湩銈掑嫊鐨?/div>
鍒跺尽銇倛銈婁緵绲︺仐銇俱仚銆傚洖璺伅銆侀浕鍦у強銇抽浕娴併伄銉曘儷
銈广偙銉笺儷銇鍖栥伀瀵俱仐銇︺€?0碌s浠ュ唴銇嚭鍔涢浕鍦с倰銈汇儓
銉兂銈般仚銈嬨倛銇嗚ō瑷堛仌銈屻仸銇勩伨銇欍€侻AX1821銇€?/div>
1.25V鈭?.5V銇瘎鍥层仹銇┿伄鍥哄畾鍑哄姏闆诲湩銇с倐渚涚郸銇欍倠
銈堛亞銇閮ㄦ姷鎶椼仹瑷畾銇曘倢銇俱仚銆?/div>
MAX1820/MAX1821銇€併偑銉虫姷鎶椼伄灏忋仌銇凪OSFET
銈广偆銉冦儊鍙娿伋鍚屾湡鏁存祦鍣ㄣ倰鍐呰數銇椼仸銇勩倠銇熴倎銆佹渶澶с伄
鍔圭巼銇ㄦ渶灏忛檺銇浠橀儴鍝佺偣鏁般倰瀹熺従銇椼伨銇欍€傚張銆?/div>
100%銉囥儱銉笺儐銈c偟銈ゃ偗銉嫊锟?frac12;锟姐伀銈堛倞銆?00mA銇矤鑽?/div>
銇亰銇勩仸鍍呫亱150mV銇ㄣ亜銇嗭拷½锟姐儔銉儍銉椼偄銈︺儓(澶栭儴
銈ゃ兂銉€銈偪銇姷鎶椼倰鍚個)銇屽彲锟?frac12;銇ㄣ仾銇c仸銇勩伨銇欍€傘亾銇?/div>
銉囥儛銈ゃ偣銇€?/div>
10銉斻兂碌MAX鍙娿伋瓒呭皬鍨?脳4銉併儍銉椼偣銈便兗銉?/div>
TM
(UCSP )銉戙儍銈便兗銈搞仹鎻愪緵銇曘倢銇︺亜銇俱仚銆?/div>
MAX1820/MAX1821
妯欐簴鍕曪拷½锟藉洖璺?/div>
________________________
INPUT
2.6V TO
5.5V
4.7碌H
BATT
SHDN
LX
OUT
PGND
13MHz
OR
19.8MHz
V
OUT
CONTROL
DAC
MAX1820
COMP
SYNC
DYNAMIC
OUTPUT
0.4V TO 3.4V
4.7碌F
銈儣銉偙銉笺偡銉с兂_____________________
WCDMA銈汇儷銉╅浕瑭便伄銉戙儻銉笺偄銉炽儣
PDA銆併儜銉笺儬銉堛儍銉楀強銇炽儙銉笺儓銉栥儍銈偝銉炽償銉ャ兗銈?/div>
銉炪偆銈儹銉椼儹銈汇儍銈点伄銈炽偄闆绘簮
銉囥偅銈搞偪銉偒銉°儵
PCMCIA鍙娿伋銉嶃儍銉堛儻銉笺偗銈兗銉?/div>
銉忋兂銉夈儤銉儔瑷堝櫒
妯欐簴鍕曪拷½锟藉洖璺伅銉囥兗銈裤偡銉笺儓銇渶寰屻伀缍氥亶銇俱仚銆?/div>
銉斻兂閰嶏拷½锟姐伅銉囥兗銈裤偡銉笺儓銇渶寰屻伀瑷樿級銇曘倢銇︺亜銇俱仚銆?/div>
UCSP銇疢axim Integrated Products, Inc.銇晢妯欍仹銇欍€?/div>
REF
SKIP
GND
鍨嬬暘_______________________________________________________________________
PART
MAX1820ZEBC*
MAX1820YEBC*
MAX1820XEBC*
MAX1820ZEUB
MAX1820YEUB*
MAX1820XEUB*
MAX1821EBC*
MAX1821EUB
SYNC
FREQ. (MHz)
No Sync
19.8
13
No Sync
19.8
13
No Sync
No Sync
OUTPUT VOLTAGE
Dynamic
Dynamic
Dynamic
Dynamic
Dynamic
Dynamic
Programmable
Programmable
TEMP. RANGE
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
PIN-PACKAGE
3x4 UCSP
3x4 UCSP
3x4 UCSP
10
碌MAX
10
碌MAX
10
碌MAX
3x4 UCSP
10
碌MAX
UCSP MARK
AAB
AAL
AAM
鈥?/div>
鈥?/div>
鈥?/div>
AAC
鈥?/div>
*
闁嬬櫤涓伄锟?frac12;鍝併伄浠曟銇€佺櫤澹插墠銇鏇淬仌銈屻倠鍙拷½鎬с亴銇傘倞銇俱仚銆傦拷锟藉2鏅傛湡銇仱銇勩仸銇亰鍟忋亜鍚堛倧銇涗笅銇曘亜銆?/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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