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MAX8734A Datasheet

  • MAX8734A

  • 高效率、四路輸出、主電源控制器，用于筆記本電腦

  • 33頁(yè)

  • MAXIM   MAXIM

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上傳產(chǎn)品規(guī)格書(shū)

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19-3318; Rev 0; 6/04
鍙岃礬銆侀珮鏁堢巼銆?/div>
鍏蟲(chóng)柇鏃朵負(fù)楂橀樆鐨勯檷鍘嬪瀷鎺у埗鍣?/div>
MAX8743
_______________________________
姒傝堪
MAX8743
鏄竴嬈懼弻璺剦錕?frac12;璋冨埗
(PWM)
鎺у埗鍣紝涓撲負(fù)闄嶅帇
鍨?/div>
(buck)
鎷撴墤璁捐錛屽叿鏈夐珮鏁堢巼銆佸崜瓚婄殑錕斤拷錕芥€佸搷搴斿拰楂?/div>
DC
杈撳嚭綺懼害絳夌壒鐐癸紝榪欎簺鐗規(guī)€ф槸絎旇鏈數(shù)鑴戜腑浠庨珮鍘嬬數(shù)
姹犻檷鍘嬪緱鍒拌姱鐗囩粍鍜?/div>
RAM
鎵€闇€鐨勶拷½錕藉帇鐢墊簮鎵€蹇呴』鐨勩€傚皢
鍏?/div>
CS_
杈撳叆寮曡剼鎺ヨ嚦錕?frac12;錕戒晶媯€(gè)嫻佺數(shù)闃誨彲鎻愪緵綺劇‘鐨勭數(shù)嫻侀檺
鍒訛紝鎴栬€呬笌
LX_
榪炴帴錛屽埄鐢拷½錕戒晶
MOSFET
錕?frac12;錕戒負(fù)鐢墊祦媯€(gè)嫻?/div>
鍏冧歡銆傚叧鏂ā寮忎笅杈撳嚭鍙樹(shù)負(fù)楂橀樆錛岃繖鏍峰氨閬垮厤浜?jiǎn)杈撳嚭鍑?/div>
鐜拌礋鍘嬶紝鍙渷涓嬩竴鍙緭鍑虹鐨勮倴鐗瑰熀浜屾瀬綆＄殑鎴愭湰銆?/div>
PWM
鎺у埗鍣ㄦ槸涓€涓嚜嬋€鎸崱鐨勶紝鍏鋒湁杈撳叆鍓嶉鐨勬亽瀵奸€?/div>
鏃墮棿鎺у埗鍣ㄣ€傝繖縐嶇粨鏋勬彁渚涜秴楂橀€熺灛鎬佸搷搴旓紝鍙€傚簲寰?/div>
錕?frac12;鑼冨洿鐨勮緭鍏?/div>
-
杈撳嚭鐢?shù)鍘嬪樊锛屽呬h湁錕?frac12;錕界數(shù)婧愮數(shù)嫻佸拰寰堬拷½鐨勮礋
錕?frac12;½璋冩暣鐗規(guī)€с€?/div>
MAX8743
鐨勮ˉ鍋塊潪甯哥畝鍗曘€?/div>
MAX8743
鐢ㄤ簬鍗曠駭
buck
錕?frac12;錕芥崲鐩存帴浠庨珮鍘嬬數(shù)姹犻檷鍘嬪彲鑾峰緱
鏈€楂樼殑錕?frac12;錕芥崲鏁堢巼銆傦拷½錕戒負(fù)鍙﹀涓€縐嶉€夋嫨錛岄噰鐢ㄤ袱綰э拷½錕芥崲
(
浠ユ洿楂樼殑寮€鍏抽鐜囦粠
5V
緋葷粺鐢墊簮闄嶅帇鑰岄潪浠庣數(shù)姹?/div>
)
鍙疄
鐜版渶灝忕殑鐗╃悊灝哄銆?/div>
MAX8743
鐢ㄦ潵涓鴻姱鐗囩粍銆?/div>
DRAM
銆?/div>
CPU I/O
鎴栧叾浠栵拷½錕藉帇
緋葷粺鎻愪緵錕?frac12;錕借嚦
1V
鐨勭數(shù)婧愩€?/div>
MAX8743
閲囩敤
28
寮曡剼
QSOP
鍜?/div>
36
寮曡剼钖勫瀷
QFN
灝佽銆?/div>
_______________________________
鐗規(guī)€?/div>
鈾?/div>
瓚呴珮鏁堢巼
鈾?/div>
鍙€夋嫨綺懼瘑闄愭祦
鈾?/div>
100ns
璐燂拷½½鐬€佸搷搴旂殑
Quick-PWM
TM
鈾?/div>
鏁翠釜杈撳叆鍜岃礋錕?frac12;½鑼冨洿鍐?/div>
1%
鐨?/div>
VOUT
綺懼害
鈾?/div>
鍏蟲(chóng)柇妯″紡涓珮鍑轟負(fù)楂橀樆
鈾?/div>
Dual Mode
TM
鍥哄畾
1.8V/1.5V/
鍙皟鎴?/div>
2.5V/
鍙皟杈撳嚭
鈾?/div>
1V
鍒?/div>
5.5V
鐨勮緭鍑哄彲璋冭寖鍥?/div>
鈾?/div>
2V
鍒?/div>
28V
鐨勭數(shù)姹犺緭鍏ヨ寖鍥?/div>
鈾?/div>
200kHz/300kHz/420kHz/540kHz
鐨勯瀹氬紑鍏抽鐜?/div>
鈾?/div>
鍙皟榪囧帇淇濇姢
鈾?/div>
1.7ms
鏁板瓧錕?frac12;錕藉惎鍔?/div>
鈾?/div>
錕?frac12;椹卞姩澶у閲忓悓姝ユ暣嫻佸櫒
FET
鈾?/div>
Power-Good
紿楀彛姣旇緝鍣?/div>
鈾?/div>
2V 鹵1%
鐨勫熀鍑嗚緭鍑?/div>
____________________________
瀹氳喘淇℃伅
PART
MAX8743EEI
TEMP RANGE
-40擄C to +85擄C
-40擄C to +85擄C
PIN-PACKAGE
28 QSOP
36 Thin QFN
6mm x 6mm
_______________________________
搴旂敤
絎旇鏈數(shù)鑴?/div>
CPU
鏍哥數(shù)婧?/div>
鑺墖緇?/div>
/RAM
渚涚數(shù)錛岀數(shù)鍘嬪彲錕?frac12;錕借嚦
1V
1.8V
涓?/div>
2.5V I/O
鐢墊簮
MAX8743ETX
________________________
鏈€綆€宸ワ拷½錕界數(shù)璺?/div>
5V INPUT
V
DD
V
CC
ILIM1
ILIM2
ON1
ON2
BST1
OUTPUT1
1.8V
DH1
LX1
DL1
V+
UVP
OVP
BATTERY
4.5V TO 28V
MAX8743EEI
BST2
DH2
LX2
DL2
OUTPUT2
2.5V
CS2
TON
CS1
OUT1
PGOOD
OUT2
REF
SKIP
寮曡剼閰嶏拷½錕藉湪鏁版嵁璧勬枡鐨勬渶鍚庨儴鍒嗙粰鍑恒€?/div>
Quick-PWM
鍜?/div>
Dual Mode
鏄?/div>
Maxim Integrated Products, Inc.
鐨勫晢鏍囥€?/div>
FB1
GND
FB2
________________________________________________________________
Maxim Integrated Products
1
鏈枃鏄?/div>
Maxim
姝ｅ紡鑻辨枃璧勬枡鐨勮瘧鏂囷紝
Maxim
涓嶅緲昏瘧涓瓨鍦ㄧ殑宸紓鎴栫敱姝や駭鐢熺殑閿欒璐熻矗銆傝娉ㄦ剰璇戞枃涓彲錕?frac12;瀛樺湪鏂囧瓧緇勭粐鎴?/div>
緲昏瘧閿欒錛屽闇€紜浠伙拷½錕借瘝璇殑鍑嗙‘鎬э紝璇峰弬鑰?/div>
Maxim
鎻愪緵鐨勮嫳鏂囩増璧勬枡銆?/div>
绱㈠彇鍏嶈垂鏍峰搧鍜屾渶鏂扮増鐨勬暟鎹祫鏂欙紝璇瘋闂?/div>
Maxim
鐨勪富欏碉細(xì)
www.maxim-ic.com.cn
銆?/div>

MAX8734A PDF文件相關(guān)型號(hào)

MAX8737,MAX8737EVKIT,MAX8738

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