鏅傞枔锛�2025/5/6 12:21:14
闁辫畝锛�26
TPS7A25 鏄竴娆捐秴浣庡櫔鑱层�佷綆澹撳樊 (LDO) 绶氭�х┅(w臎n)澹撳櫒锛岀敱寰峰窞鍎�鍣� (TI) 鎻愪緵銆傝┎鍣ㄤ欢灏堢偤灏嶉浕婧愬櫔鑱叉晱鎰熺殑鎳夌敤鑰岃ō瑷堬紝渚嬪灏勯牷 (RF) 鍜屾ā鎿浕璺�銆佺簿瀵嗘暩(sh霉)鎿�(j霉)杞�(zhu菐n)鎻涚郴绲�(t菕ng)鍜岄啱(y墨)鐧傞浕瀛愯ō鍌欍��
銆�銆�TPS7A25 鍏锋湁闈炲父浣庣殑杓稿嚭鍣伈鎬ц兘锛屽苟涓旇兘澶犳彁渚涢珮閬� 300mA 鐨勮几鍑洪浕娴�銆傚叾杓稿叆闆诲鑼冨湇鐐� 1.6V 鑷� 5.5V锛屾敮鎸佸绋緵闆诲牬鏅�銆傛澶栵紝瀹冮倓鍏锋湁蹇�熺灛鎱�(t脿i)闊挎噳鐗规��锛岃兘澶犲湪璨犺級闆绘祦蹇�熻畩鍖栨檪淇濇寔绌�(w臎n)瀹氱殑杓稿嚭闆诲銆�
杓稿叆闆诲鑼冨湇锛�1.6V 鑷� 5.5V
銆�銆�杓稿嚭闆诲鑼冨湇锛�0.8V 鑷� 5.0V锛堜互 50mV 姝ラ�插彲瑾�(di脿o)锛�
銆�銆�杓稿嚭闆绘祦锛�300mA
銆�銆�澹撳樊闆诲锛�225mV锛堝吀鍨嬪��锛屽湪 IOUT=300mA 鏅傦級
銆�銆�杓稿嚭鍣伈锛�4.7渭V RMS锛堝湪 10Hz 鑷� 100kHz 鑼冨湇鍏�(n猫i)锛�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽椤炲瀷锛歏SSOP-PowerPAD (8 寮曡叧)
TPS7A25 鐨勪富瑕佺壒榛炴槸鍏舵サ浣庣殑杓稿嚭鍣伈鎬ц兘锛岄�欎娇鍏堕潪甯搁仼鍚堢偤灏嶅櫔鑱叉晱鎰熺殑 RF 鎴栨ā鎿浕璺緵闆�銆傚叾蹇�熺灛鎱�(t脿i)闊挎噳鑳藉姏鍙互纰轰繚鍦ㄨ矤杓夋浠惰畩鍖栧妵鐑堟檪缍寔绌�(w臎n)瀹氳几鍑�銆�
銆�銆�瑭插櫒浠堕噰鐢ㄤ簡 PowerPAD 灏佽鎶�琛�锛屽寮蜂簡鏁ｇ啽鎬ц兘锛屽悓鏅傛笡灏忎簡 PCB 鍗犵敤闈㈢⿳銆俆PS7A25 閭勫叿鏈夌煭璺繚璀峰拰鐔遍棞鏂峰姛鑳斤紝浠ラ槻姝㈤亷娴佹垨閬庢韩鎯呮硜涓嬬殑鎼嶅銆�
銆�銆�姝ゅ锛孴PS7A25 鐨勯潨鎱�(t脿i)闆绘祦杓冧綆锛屽儏鐐� 70渭A锛堝吀鍨嬪�硷級锛屾湁鍔╀簬寤堕暦闆绘睜渚涢浕鎳夌敤涓殑绾�(x霉)鑸檪闁�銆�
銆�銆�鍏惰几鍑洪浕瀹瑰儏闇� 1渭F锛屽嵆鍙鐝�(xi脿n)绌�(w臎n)瀹氬伐浣�锛岄�蹭竴姝ョ啊鍖栦簡瑷▓骞舵笡灏戜簡 BOM 鎴愭湰銆�
TPS7A25 寤ｆ硾鎳夌敤浜庨渶瑕佷綆鍣伈闆绘簮鐨勫悇绋牬鏅�锛屽寘鎷絾涓嶉檺浜庯細
銆�銆�1. 灏勯牷 (RF) 鎺ユ敹鍣ㄥ拰鐧�(f膩)灏勫櫒妯″
銆�銆�2. 妯℃摤淇¤櫉閺堢祫浠讹紙濡傛斁澶у櫒銆佹ā鏁�(sh霉)杞�(zhu菐n)鎻涘櫒 (ADC) 鍜屾暩(sh霉)妯¤綁(zhu菐n)鎻涘櫒 (DAC)锛�
銆�銆�3. 閱�(y墨)鐧傝ō鍌欙紙濡傝秴鑱叉尝鎺㈤牠銆佷究鏀滃紡鐩�(ji膩n)璀峰剙锛�
銆�銆�4. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欎腑鐨勭簿瀵嗗偝鎰熷櫒鎺ュ彛
銆�銆�5. 閫氫俊鍩虹瑷柦锛堝鍩虹珯銆佽矾鐢卞櫒绛夛級
銆�銆�6. 楂樻�ц兘闊抽牷瑷倷涓殑 DAC 鍜屾斁澶у櫒渚涢浕
TPS7A47, TPS7A49, TPS7A50
