端穩(wěn)壓集成電路LM7824中文資料

1、Electrical Characteristics電氣特性(MC7824)LM7824(參照測(cè)試電路，0 ° C < TJ < 125 ° C, IO =500mA, VI =33V, CI= 1 F, CO= 1 F,除非另有說(shuō)明)Parameter 參數(shù)Symbol符號(hào)Con ditio ns條件MC7824 LM7824單位？最小典型最大?Output Voltage輸出電壓VOTJ =+25 C232425Vw IO w 1.0A, PO w 15W VI =27V to 38V24LineRegulati on線性調(diào)整率(Note1)Regli ne

2、 T、=+25 CVI =27V to 38V -17480mVVI =30V to 36V -6240Load Regulati on負(fù)載調(diào)整率(Note1)Regload TJ =+25 CIO =5mA to 1.5A-15480mVIO =250mA to750mA-240Quiesce ntCurrent靜態(tài)電流IQTJ =+25 C-mAQuiesce ntCurrentCha nge靜態(tài)電流變化 IQIO =5mA to 1.0A-mAVI =27V to 38V-1Output Voltage Drift輸出電壓漂移 VO/ATO =5mA-mV/COutput Noise V

3、oltage輸出噪聲電壓VNf =10Hz to 100K Hz, TA =+25C-60-卩 V/VoRipple Rejectio n紋波抑制RRf =120Hz VI =28V to 38V5067-dBDropout Voltage 電壓差VDropIO =1A, TJ=+25 C-2-VOutputResista nee輸出電阻rOf =1KHz-28-mQShortCircuitCurre nt 短路電流ISCVI =35V, TA=+25 C-230-mAPeak Curre nt 峰值電流IPKTJ =+25 C-A三端穩(wěn)壓集成電路極限參數(shù):Parameter 參數(shù)Symbol

4、符號(hào)Value單位In put Voltage輸入電壓(for VO =5V to 18 V)VI35V(for VO =24V)VI40VThermal Resista neeJun ctio n-Cases? 熱阻(結(jié)到殼)R0 JC5C(TO-220)/WThermal Resista neeJu nctio n-Air熱阻(結(jié)到空氣)(TO-220)R0 JA65C/WOperati ng Temperature Range工作溫度范圍TOPR0 +125CStorage Temperature Range儲(chǔ)存溫度范圍TSTG-65 +150C1.&2kmi? ? 圖 1 78

5、XX 內(nèi)部電路圖D-PAK27T圖Qrn2 3JUa ' QVTO-220GND外殼接地3電壓輸出D-PAKOOutput0C33fF? ? 圖5負(fù)載調(diào)節(jié)控制電路1. Input 軸入2. GND接地3. Outpvt 輸出? 圖2 78XX 參照測(cè)試電路 ?圖3? 外形引腳排列圖管腳?圖 4 紋波抑制電路Output2NCTZ1OAEQMC78XXJLM78XJCMC79XX/L(VI78XK陽(yáng)匚 78XXLM7aXX誓輸入1120HI23Il ULJ'IZ幣C1Figure 7. Split power supply ( 土 12V/1A)?圖6與79XX系列三端穩(wěn)壓構(gòu)成的

6、正負(fù)對(duì)稱輸出電壓電路圖OutputQMC78XX/LM78XXMC7812+ 15VOO+12VL 1N4Q01怕.33站OGND22吁0-12V-15VOMC7912A L IWC)TC1 2 co兀1(1F*p1Co :s-p 匸 ricff 窩&3.M +D 2C0-s O&NCE ffO6TLTO-2201-30 4J254TYP2J4 ±c.zdQ 沁 jgjg254TVP2.541DM5Q2.40 ±0 2010 00 ±a 2C'S.6G ±C.22DPAKID.5C；a辛e0n.344R孚 0908異&?疋rlX-爭(zhēng)H<s 福孕fn.90.76 10.100 耳 38 .c2 30 ±o.i 匚C 弓0 ±c ic喘 5e常QZ 31 30TYP2.3C+0.2C2 30T