鏅傞枔锛�2024/2/27 11:54:37
闁辫畝锛�352
TPS54418RTER鏄痉宸炲剙鍣紙Texas Instruments锛夋帹鍑虹殑涓�娆惧叿鏈夐珮搴﹂泦鎴愬害鍜岄珮鎬ц兘鐨勫悓姝ラ檷澹揇C-DC杞�(zhu菐n)鎻涘櫒銆傚畠閲囩敤浜嗗厛閫茬殑闆绘祦妯″紡鎺у埗鎶�琛�锛岃兘澶犳彁渚涢珮閬�4A鐨勮几鍑洪浕娴併�俆PS54418RTER宸ヤ綔鍦ㄨ几鍏ラ浕澹撹寖鍦嶇偤4.5V鑷�18V鐨勬浠朵笅锛岃几鍑洪浕澹撹寖鍦嶇偤0.76V鑷�5.5V銆傝┎鍣ㄤ欢閲囩敤浜嗗収(n猫i)閮ㄥ姛鐜囬枊闂滃拰鍚屾鏁存祦鎶�琛�锛屼互鎻愪緵楂樻晥鐜囧拰浣庡姛鑰楃殑杞�(zhu菐n)鎻涙晥鏋�銆�
TPS54418RTER鏄竴娆炬亽闋婚檷澹撹綁(zhu菐n)鎻涘櫒锛岃兘澶�?q奴)鈶ゆ枎鑵氬Ψ鑸。铚戞顙佺挧濡暤椴Ψ楠革极顜芥崕鑲濿M鎺у埗鍣ㄤ締瀵︾従(xi脿n)楂樻晥鐜囩殑闆绘簮杞�(zhu菐n)鎻�銆侾WM鎺у埗鍣ㄩ�氶亷涓嶆柗瑾�(di脿o)鏁撮枊闂滅鐨勯枊闂滈牷鐜囧拰鍗犵┖姣�锛屼締淇濇寔杓稿嚭闆诲绌�(w臎n)瀹氥�俆PS54418RTER閭勯噰鐢ㄤ簡闆绘祦妯″紡鎺у埗锛屽彲浠ュ鐝�(xi脿n)蹇�熺殑杓稿嚭闊挎噳鍜岀┅(w臎n)瀹氱殑闆绘祦鎺у埗銆�
TPS54418RTER鐢辫几鍏ラ浕瀹广�佽几鍏ラ浕鎰�銆佽几鍑洪浕瀹广�佽几鍑洪浕鎰�銆丮OSFET闁嬮棞绠�銆丳WM鎺у埗鍣ㄥ拰鍙嶉闆昏矾绛夌祫鎴愩�傝几鍏ラ浕瀹圭敤浜庢烤娉㈠拰鍎茶兘锛岃几鍏ラ浕鎰熺敤浜庨檺娴佸拰婵炬尝銆傝几鍑洪浕瀹瑰拰杓稿嚭闆绘劅鐢ㄤ簬婵炬尝鍜屽劜鑳�锛屽苟鎻愪緵绌�(w臎n)瀹氱殑杓稿嚭闆诲銆侻OSFET闁嬮棞绠＄敤浜庡鐝�(xi脿n)杓稿叆鍜岃几鍑轰箣闁撶殑闆绘簮杞�(zhu菐n)鎻�銆侾WM鎺у埗鍣ㄨ矤璨洠(ji膩n)娓几鍑洪浕澹�锛屽苟鏍规摎(j霉)鍙嶉闆昏矾鐨勪俊铏熻(di脿o)鏁撮枊闂滈牷鐜囧拰鍗犵┖姣�锛屼互缍寔杓稿嚭闆诲鐨勭┅(w臎n)瀹�銆�
TPS54418RTER鐨勫伐浣滃師鐞嗗熀浜庢亽闋婚浕娴佹ā寮廝WM鎺у埗銆傚畠閫氶亷涓嶆柗瑾�(di脿o)鏁撮枊闂滅鐨勫皫閫氭檪闁撳拰鏂烽枊鏅傞枔渚嗘帶鍒惰几鍑洪浕澹�銆傜暥杓稿叆闆诲璁婂寲鎴栬矤杓夎畩鍖栨檪锛屾帶鍒堕浕璺渻鎰熺煡鍒板苟鐩告噳鍦拌(di脿o)鏁撮枊闂滅鐨勫皫閫氭檪闁撳拰鏂烽枊鏅傞枔锛屼互缍寔绌�(w臎n)瀹氱殑杓稿嚭闆诲銆�
杓稿叆闆诲鑼冨湇锛�4.5V鑷�18V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.76V鑷�5.5V
銆�銆�杓稿嚭闆绘祦锛氭渶澶�4A
銆�銆�杞�(zhu菐n)鎻涙晥鐜囷細楂橀仈95%
銆�銆�闁嬮棞闋荤巼鑼冨湇锛�100kHz鑷�2.2MHz
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C鑷�+125掳C
銆�銆�灏佽椤炲瀷锛歈FN锛圧TE锛夊皝瑁�
1銆侀珮鏁堢巼锛氶噰鐢ㄥ厛閫茬殑鍚屾鏁存祦鎶�琛擄紝鏈�澶ц綁(zhu菐n)鎻涙晥鐜囧彲閬�95%銆�
銆�銆�2銆佸皬灏哄锛氶噰鐢ㄩ泦鎴愬寲瑷▓锛屽櫒浠跺昂瀵稿皬宸э紝閬╁悎楂樺瘑搴﹂浕璺澘瑷▓銆�
銆�銆�3銆佽秴浣庨潨鎱�(t脿i)闆绘祦锛氬湪杓曡矤杓夋浠朵笅锛岄潨鎱�(t脿i)闆绘祦鍍呯偤32渭A锛屾湁鍔╀簬绡�(ji茅)鑳藉拰寤堕暦闆绘睜澹藉懡銆�
銆�銆�4銆佸収(n猫i)缃繚璀峰姛鑳斤細鍏峰倷閬庨浕娴佷繚璀�銆侀亷婧繚璀�銆佹瑺澹撲繚璀风瓑澶氱ó淇濊鍔熻兘锛屾彁楂樼郴绲�(t菕ng)鐨勫彲闈犳�у拰瀹夊叏鎬с��
銆�銆�5銆佸彲瑾�(di脿o)绡�(ji茅)杓稿嚭闆诲锛氶�氶亷澶栭儴闆婚樆瑾�(di脿o)鏁磋几鍑洪浕澹擄紝婊胯冻涓嶅悓鎳夌敤鐨勯渶姹�銆�
1銆佸伐妤�(y猫)鑷嫊鍖栵細鍙敤浜庡伐妤�(y猫)鎺у埗绯荤当(t菕ng)銆佹鍣ㄤ汉鍜屽偝鎰熷櫒绛夌殑闆绘簮渚涙噳銆�
銆�銆�2銆侀�氫俊瑷倷锛氬彲鐢ㄤ簬閫氫俊鍩虹珯銆佺恫(w菐ng)绲¤ō鍌欏拰鏈嶅嫏鍣ㄧ瓑鐨勯浕婧愮鐞嗐��
銆�銆�3銆佹苯杌婇浕瀛愶細鍙敤浜庢苯杌婇浕婧愮鐞�銆佽粖杓夊妯傜郴绲�(t菕ng)鍜岃粖杓夊皫鑸郴绲�(t菕ng)绛夌殑闆绘簮渚涙噳銆�
銆�銆�4銆丩ED鐓ф槑锛氬彲鐢ㄤ簬LED鐕堝叿鍜岀収鏄庣郴绲�(t菕ng)鐨勯浕婧愮鐞�銆�
浣跨敤TPS54418RTER闈炲父绨″柈锛屼笅闈㈡槸浣跨敤姝ラ锛�
銆�銆�1銆佺⒑淇濅綘鏈変竴鍊嬮浕婧愪緵闆荤郴绲�(t菕ng)锛屽畠鍙互鎻愪緵閬╃暥?sh霉)纰惧Ψ姹夌濞忛灒绉�?锛屼互婊胯冻TPS54418RTER鐨勮姹�銆�
銆�銆�2銆侀�ｆ帴杓稿叆闆绘簮銆傚皣杓稿叆闆绘簮閫ｆ帴鍒癟PS54418RTER鑺墖鐨刅IN寮曡叧锛屽苟纰轰繚杓稿叆闆诲鍦ㄨ姱鐗囪(gu墨)鏍间腑鎸囧畾鐨勮寖鍦嶅収(n猫i)銆�
銆�銆�3銆侀�ｆ帴杓稿嚭璨犺級銆傚皣杓稿嚭璨犺級閫ｆ帴鍒癟PS54418RTER鑺墖鐨刅OUT寮曡叧锛屽苟纰轰繚璨犺級鐨勯浕娴佽鍦ㄨ姱鐗囪(gu墨)鏍间腑鎸囧畾鐨勮寖鍦嶅収(n猫i)銆�
銆�銆�4銆侀�ｆ帴鍙嶉鍥炶矾銆傚皣鍙嶉寮曡叧锛團B锛夐�ｆ帴鍒拌几鍑洪浕澹撳垎澹撳櫒闆婚樆缍�(w菐ng)绲′笂鐨勪腑榛�銆傞�欏�嬮浕闃荤恫(w菐ng)绲＄敤浜庤(di脿o)鏁磋几鍑洪浕澹撶殑瑷畾鍊笺��
銆�銆�5銆侀�ｆ帴鍙嶉瑾�(di脿o)绡�(ji茅)鍣ㄣ�傚皣鍙嶉瑾�(di脿o)绡�(ji茅)鍣ㄥ紩鑵筹紙COMP锛夐�ｆ帴鍒颁竴鍊嬪閮ㄩ浕瀹�锛屼互鎻愪緵鍙嶉鐠�(hu谩n)璺殑瑁滃劅銆�
銆�銆�6銆侀�ｆ帴闁嬮棞寮曡叧銆傚皣闁嬮棞寮曡叧锛圫W锛夐�ｆ帴鍒颁竴鍊嬪閮ㄥ姛鐜囬枊闂滃櫒浠�锛屽鍔熺巼MOSFET銆傜⒑淇濋伕鎿囩殑鍔熺巼闁嬮棞鍣ㄤ欢鑳藉铏曠悊TPS54418RTER鑺墖鎵�闇�鐨勯浕娴佸拰鍔熺巼銆�
銆�銆�7銆侀�ｆ帴杓斿姪寮曡叧銆傛牴鎿�(j霉)鍏烽珨鎳夌敤闇�姹傦紝閫ｆ帴鍏朵粬杓斿姪寮曡叧锛屽浣胯兘寮曡叧锛圗N锛夊拰杌熷暉鍕曞紩鑵筹紙SS锛�銆�
銆�銆�8銆佸畬鎴愰浕璺�ｆ帴鍚庯紝妾㈡煡鎵�鏈夐�ｆ帴鏄惁姝ｇ⒑锛屽苟纰轰繚娌掓湁鐭矾鎴栨帴鍦板晱椤�銆�
銆�銆�9銆佸湪姝ｅ父宸ヤ綔姊濅欢涓�锛岀郸TPS54418RTER鑺墖鎻愪緵閬╃暥?sh霉)濡枎鑵氬ǐ鍨傗晣濮☆儘鈷俕瀵熻几鍑洪浕澹撴槸鍚﹂仈鍒伴爯鏈熷��銆�
銆�銆�10銆佹牴鎿�(j霉)闇�瑕�锛岃(di脿o)鏁撮浕璺腑鐨勯浕闃诲拰闆诲鍊�锛屼互婊胯冻鐗瑰畾鐨勮ō瑷堣姹傘��
銆�銆�鍦ㄤ娇鐢═PS54418RTER鍙渶鎸夌収涓婅堪姝ラ姝ｇ⒑閫ｆ帴闆昏矾锛屽苟鎻愪緵閬╃暥?sh霉)濡枎鑵氬ǐ鍨傗晣濞傜函?銆傞�氶亷瑾�(di脿o)鏁村弽楗嬪洖璺拰杓斿姪闆昏矾鐨勫厓浠跺��锛屽彲浠ユ牴鎿�(j霉)瀵﹂殯闇�姹傞�茶闆昏矾瑾�(di脿o)鏁村拰鍎�(y艒u)鍖�銆�
TPS54418RTER鏄竴娆鹃珮鏁堢巼鍚屾闄嶅鍨嬬洿娴�-鐩存祦锛圖C-DC锛夎綁(zhu菐n)鎻涘櫒鑺墖銆備互涓嬫槸闂滀簬TPS54418RTER鐨勫畨瑁濊榛烇細
銆�銆�1銆佺⒑淇濇纰虹殑鐒婃帴锛氬湪瀹夎TPS54418RTER涔嬪墠锛岀⒑淇濈剨鎺ユ妧琛撴纰�銆備娇鐢ㄩ仼鐣�?sh霉)鏆ǹa鍜岀剨鎺ュ伐鍏�锛岀⒑淇濈剨鎺ラ粸鐗㈠浐鍙潬锛岄伩鍏嶇剨鎺ラ亷鐔辨垨鐒婃帴涓嶈壇銆�
銆�銆�2銆佹纰哄竷灞�鍜屾暎鐔憋細TPS54418RTER闇�瑕侀仼鐣�?sh霉)绾愁杽宓嬫簮_淇濇甯搁亱琛屾韩搴�銆傚湪甯冨眬闆昏矾鏉挎檪锛岀⒑淇濆皣鏁ｇ啽鍣ㄩ�ｆ帴鍒拌姱鐗囩殑鏁ｇ啽寮曡叧锛屽苟纰轰繚鏁ｇ啽鍣ㄨ兘澶犳湁鏁堝湴鏁ｇ啽銆傚悓鏅�锛岀⒑淇濊姱鐗囧懆鍦嶆矑鏈夐樆濉炵墿锛屼互淇濊瓑鑹ソ鐨勭┖姘ｆ祦閫�銆�
銆�銆�3銆佸毚鏍奸伒寰暩(sh霉)鎿�(j霉)鎵嬪唺锛氬湪瀹夎TPS54418RTER鏅�锛屽嫏蹇呬粩绱伴柋璁�骞堕伒寰暩(sh霉)鎿�(j霉)鎵嬪唺涓殑寤鸿鍜岃姹�銆傛暩(sh霉)鎿�(j霉)鎵嬪唺鎻愪緵浜嗛棞浜庡竷灞�鎸囧皫銆佺剨鎺ュ缓璀般�佹暎鐔辫姹傜瓑鏂归潰鐨勯噸瑕佷俊鎭�锛屽繀闋堝毚鏍奸伒瀹堛��
銆�銆�4銆佽几鍏ュ拰杓稿嚭闆诲閬告搰锛歍PS54418RTER闇�瑕侀仼鐣�?sh霉)濡枎鐗掓醇鏁甸箔濞欒讥闊哄纯F(xi脿n)绌�(w臎n)瀹氱殑闆绘簮杓稿嚭銆傛牴鎿�(j霉)鏁�(sh霉)鎿�(j霉)鎵嬪唺鐨勫缓璀帮紝閬告搰鍚堥仼鐨勯浕瀹归鍨嬪拰鍊�锛屽苟灏囧叾姝ｇ⒑閫ｆ帴鍒拌姱鐗囩殑杓稿叆鍜岃几鍑哄紩鑵�銆�
銆�銆�5銆佷緵闆诲拰鍦板紩鑵冲竷灞�锛氬湪甯冨眬闆昏矾鏉挎檪锛岀⒑淇濈偤TPS54418RTER鎻愪緵绌�(w臎n)瀹氱殑渚涢浕鍜岃壇濂界殑鍦板紩鑵�銆備娇鐢ㄨ冻澶犵殑闆绘簮鍜屽湴寮曡叧锛屼互闄嶄綆闆绘簮鍣伈鍜屽湴鍥炴祦鐨勫奖闊�銆�
銆�銆�鍦ㄥ畨瑁漈PS54418RTER鏅�锛岀⒑淇濇纰虹殑鐒婃帴锛岃壇濂界殑甯冨眬鍜屾暎鐔�锛屽毚鏍奸伒寰暩(sh霉)鎿�(j霉)鎵嬪唺涓殑瑕佹眰鍜屽缓璀�锛屼互纰轰繚鍏舵甯搁亱琛屽拰鍙潬鎬�銆傚鏋滄湁浠讳綍鐤戝晱鎴栦笉纰哄畾涔嬭檿锛岃珛鍙冭�冩暩(sh霉)鎿�(j霉)鎵嬪唺鎴栧挩瑭㈢浉闂滄妧琛撴敮鎸�銆�
TPS54418RTER鏄竴娆鹃珮鏁堢巼銆侀泦鎴愬寲鐨勯檷澹撶┅(w臎n)澹撳櫒鑺墖銆傜洝绠″畠鍏锋湁楂樺彲闈犳�у拰绌�(w臎n)瀹氭��锛屼絾鍦ㄤ娇鐢ㄩ亷绋嬩腑浠嶇劧鍙兘鍑虹従(xi脿n)涓�浜涘父瑕嬫晠闅�銆備互涓嬫槸涓�浜涘父瑕嬫晠闅滃強闋愰槻鎺柦锛�
銆�銆�1銆侀亷鐔憋細鐣惰姱鐗囬亷鐔辨檪锛屽彲鑳芥渻灏庤嚧鎬ц兘涓嬮檷鐢氳嚦鎼嶅銆傜偤浜嗛爯闃查亷鐔�锛屾噳纰轰繚鑺墖鍛ㄥ湇鏈夎冻澶犵殑鏁ｇ啽绌洪枔锛屽苟浣跨敤閬╃暥?sh霉)绾愁杽宕為硨锛旈��?锛岄倓鎳夐棞娉ㄨ几鍏ュ拰杓稿嚭闆诲鐨勮寖鍦�锛屼互閬垮厤瓒呭嚭鑺墖鐨勯瀹氬伐浣滄浠�銆�
銆�銆�2銆侀亷闆绘祦锛氶亷闆绘祦鍙兘灏庤嚧鑺墖鐕掓瘈銆傜偤浜嗛槻姝㈤亷闆绘祦锛屽彲浠ュ湪杓稿叆绔坊鍔犻浕娴侀檺鍒跺櫒鎴栦娇鐢ㄥ悎閬╃殑淇濋毆绲蹭締闄愬埗闆绘祦銆傛澶�锛岀⒑淇濊几鍏ュ拰杓稿嚭闆绘祦铏曚簬鑺墖鐨勯瀹氬伐浣滆寖鍦嶅収(n猫i)涔熸槸閲嶈鐨�銆�
銆�銆�3銆佺煭璺繚璀凤細鑺墖鐭矾鏅�锛屽彲鑳芥渻閫犳垚闆绘祦閬庡ぇ锛屽皫鑷磋姱鐗囨悕澹�銆傜偤浜嗛爯闃茬煭璺�锛屽彲浠ュ湪杓稿嚭绔坊鍔犵煭璺繚璀烽浕璺�锛岀暥杓稿嚭鐭矾鏅傝兘澶犲強鏅傚垏鏂烽浕娴�銆�
銆�銆�4銆佽几鍏ュ拰杓稿嚭闆诲閬庨珮鎴栭亷浣庯細杓稿叆鍜岃几鍑洪浕澹撹秴鍑鸿姱鐗囩殑椤嶅畾宸ヤ綔鑼冨湇鍙兘鏈冨皫鑷翠笉姝ｅ父鐨勫伐浣滄垨鑺墖鎼嶅銆傛噳纰轰繚杓稿叆鍜岃几鍑洪浕澹撶┅(w臎n)瀹氫笖鍦ㄨ姱鐗囪(gu墨)鏍艰寖鍦嶅収(n猫i)銆�
銆�銆�5銆佷笉姝ｅ父鐨勮几鍏ユ垨杓稿嚭闆绘祦娉㈠舰锛氫笉姝ｅ父鐨勯浕娴佹尝褰㈠彲鑳芥渻灏嶈姱鐗囩殑绌�(w臎n)瀹氭�у拰鎬ц兘鐢�(ch菐n)鐢熶笉鍒╁奖闊裤�傚缓璀颁娇鐢ㄧ┅(w臎n)瀹氱殑闆绘簮鍜屽悎閬╃殑婵炬尝鍣ㄤ締鎻愪緵骞插噲鐨勯浕婧�銆�
銆�銆�绺界殑渚嗚锛岀偤浜嗙⒑淇漈PS54418RTER鐨勬甯稿伐浣�锛屾噳閬靛惊鑺墖鐨勮(gu墨)鏍兼浉鍜屾噳鐢ㄧ瓎瑷樻彁渚涚殑鎸囧皫锛屽苟閲囧彇閬╃暥?sh霉)濮嗛浄o鎺柦锛屽鏁ｇ啽銆侀亷娴佷繚璀峰拰闆诲鐩�(ji膩n)娓�銆�
