鏅傞枔锛�2025/6/6 18:48:44
闁辫畝锛�8
PB331鏄竴绋珮鎬ц兘鐨勪綆澹撳樊绶氭�х┅(w臎n)澹撳櫒锛圠DO锛夛紝灏堢偤闇�瑕佷綆鍔熻�楀拰楂樼┅(w臎n)瀹氭�х殑鎳夌敤瑷▓銆傝┎鍣ㄤ欢閲囩敤鍏堥�茬殑CMOS宸ヨ棟鍒堕��锛屽叿鏈夐潪甯镐綆鐨勬帴鍦伴浕娴佸拰鍑鸿壊鐨勭窔璺強璨犺級鐬厠(t脿i)闊挎噳鐗规��銆�
銆�銆�閫欑óLDO鑳藉鎻愪緵楂橀仈1A鐨勮几鍑洪浕娴�锛屽苟涓旀敮鎸�1.2V鑷�5.5V鐨勫杓稿叆闆诲鑼冨湇锛屼娇寰楀畠闈炲父閬╁悎浜庨浕姹犱緵闆昏ō鍌欎互鍙婂叾浠栧皪闆绘簮鏁堢巼鏁忔劅鐨勬噳鐢ㄥ牬鏅�銆傛澶栵紝PB331閭勯泦鎴愪簡澶氱ó淇濊鍔熻兘锛屽閬庢祦淇濊銆侀亷婧棞鏂风瓑锛屼互纰轰繚鍦ㄧ暟甯告儏娉佷笅鐨勫彲闈犳��銆�
杓稿叆闆诲鑼冨湇锛�1.2V~5.5V
銆�銆�杓稿嚭闆绘祦锛氭渶澶�1A
銆�銆�杓稿嚭闆诲绮惧害锛毬�1%
銆�銆�鍏稿瀷鎺ュ湴闆绘祦锛�20uA
銆�銆�澹撻檷闆诲锛�300mV锛堝吀鍨嬪��锛屽湪1A璨犺級涓嬶級
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩儈+125鈩�
銆�銆�灏佽褰㈠紡锛歋OT-23, TO-252, TO-263
1. 妤典綆鐨勬帴鍦伴浕娴�锛屾湁鍔╀簬寤堕暦闆绘睜澹藉懡銆�
銆�銆�2. 蹇�熺殑璨犺級鍜岀窔璺灛鎱�(t脿i)闊挎噳锛岀⒑淇濈郴绲�(t菕ng)绌�(w臎n)瀹氭��銆�
銆�銆�3. 鍏х疆鐭矾淇濊鍜岀啽闂滄柗姗熷埗锛屾彁楂樹簡鐢㈠搧鐨勫畨鍏ㄦ�с��
銆�銆�4. 鎻愪緵澶氱ó鍥哄畾杓稿嚭闆诲閬搁爡锛屼究浜庣洿鎺ヤ娇鐢�銆�
銆�銆�5. 绌�(w臎n)瀹氭�у挤锛屽嵆浣垮湪灏忓瀷闄剁摲闆诲姊濅欢涓嬩篃鑳芥甯稿伐浣�銆�
銆�銆�6. 灏佽澶氭ǎ锛岄仼鍚堜笉鍚岀┖闁撻檺鍒剁殑瑷▓闇�姹�銆�
PB331寤ｆ硾鎳夌敤浜庝究鏀滃紡闆诲瓙瑷倷涓紝渚嬪鏅鸿兘鎵嬫銆佸钩鏉块浕鑵�銆佸彲绌挎埓瑷倷浠ュ強鎵嬫寔寮忓剙鍣ㄧ瓑銆傛澶�锛屽畠涔熼潪甯搁仼鍚堢敤浜庣劇绶氬偝鎰熷櫒缍茬怠绡�(ji茅)榛炪�佺墿鑱恫瑷倷鍜屽叾浠栭渶瑕侀珮鏁堣兘闆绘簮绠＄悊鐨勫牬鍚�銆傜敱浜庡叾浣庡姛鑰楃壒榛�锛孭B331鎴愮偤闆绘睜渚涢浕绯荤当(t菕ng)鐨勭悊鎯抽伕鎿�銆�
AP1117, LM1117, MCP1700
