1、 !9W 7 p V c p V| XXXTJHDPN p V| XXXTJHDPN !9WTp V M !9W 7 p V c p V| XXXTJHDPN “ c1 I 1 j. 25$ - 1 - 2 “d. 2 s - 1 - 3 . 2 3$ - 2 - 4 | d - 3 - 4.1 V% ? | b - 3 - 4.2 VE F | b - 4 - 5 L= + - 5 - 6 q - 8 - 7 !9ZE - 10 - 8 “d !9 - 12 - 8.1 Target Impedance“SE F - 12 - 8.2 1v - 13 - 8.3 M i - 15 - 8.4
2、 i QAnti-Resonance - 16 - 8.5 ESRQAnti-ResonanceY - 17 - 8.6 8“ 4 F - 18 - 8.7 - 20 - 8.8 ZE - 21 - 9 - 24 - !9W 7 p V c p V| XXXTJHDPN - 1 - !9W 1a I 1 j. 25$ = $ 85t85F = aF a7i a9 aLa a# ?b “ “ =85 vb K B854 C Lb4 =85B yN =85 A . 2 =.b =85 TY = H = ! H = HY85 V ? t85X 6Bt85 V ? )Vb =) . 2. sb T s
3、. 2 N H) u * .2 V ?$bvi 3 7 pb ). 2YV = .l V ?(? =7i 3 b“ V A RLC1 yN9i y Q9 P HB1 b H F F rA M r UC=I*1/C=U/CR=QU y Q=1/CR I 9 b r UL=LI=L*U/R=QU y Q=L/Rby UC=UL Q=1/CR=L/Rb F| U1 UC/U=I*1/C/RI=1/CR=Qb F| U 1 UL/U=LI/RI=L/R=QbV s Vn y !9W 7 p V c p V| XXXTJHDPN - 8 - 1Fb m 6 QY QY q4b ) q HKv q H9
4、hlb I/I0V UYV 1MM qb0 VU q qbm 6 A U I/I00 1“ wLb H w L Q Q1Q2Q3bVm V AF| q q 0H I/I0(l 1bQ B / / y wLU b9 4 y Q % Q4zb bBtv Y b ESL ESRyN Q zr qSd a) rob 6a q B 1 $( !9 H9“ b L ZE V) 5b AV F b B ZEB 6BZEV“d !9b ZE“B5 qS = Ps “dE FKbZE P b #5 9 v ? 1 p$ $4 *t $b $ I $ $ b I 1 p$/ sY b 8.1 Target Imp
5、edance“SE F “SE FTarget Impedancel DDDDMAXMAX MAXV Ripple VXI I= T 4 DDV 1 )n 5Va3.3Va1.8Va1.26Va1.2VbRipple o . 2 B X V 2.5%b !9W 7 p V c p V| XXXTJHDPN - 13 - MAXI Kv M b l V d ? Kv OMVKv oS f /“d1 &E FKvbVBE Fo|V Sb TFE Fo1“ b# h$o | dpBb “SE F 1 1 “SE F “d E F y M VC BE F+b 2 “SE FB z 1b qS =E F
6、 ?VbE F Ea TTyNA q1b qSv$ 1 p1b$ l HW =A4 b T AS| MB| z B S qSb T H 1“? A s F b 8.2 1v ZE bBZE z9 bZE I n ESL# ESRYyN 4z)b=ZE “SE FTarget Impedance 9 9 Tb KzE I. 2 WM1“b p? 3M H Bl u = 3 1B A5 b|.l1B HWyNV? 3 B WB HWb“ r u91BbyNA /. 2 WM Bb + 1 qM. 2rTKz q M1“b !1 q fo Vr T V 22RjfcIAe= A R1 u C|.l
7、b u r 4 H M . 2Mz 180 QMbN H T T r ? E# H rb ?r. ? P. 2 M V ?lKz Mb Ml ? . T 05 ? s. ub1 p. 2 V ?1l 4 b L=B Kz e 40 50 W B b 0.001uF (L T 97 3 1.6nH * q 125.8MHz 7.95psbL !| .l 166ps/inch5o 47.9jb 47.9/50=0.958jv 2.4 b ? 2.4 S =. 2 2.4 !9W 7 p V c p V| XXXTJHDPN - 21 - b q 9bv y qody7 v9 I 1v bybl y
8、 l V ? L1 v Q V d -L -o - -o -L -V d - m 154A U b m 15 bV d5 B Kl7 P97 3Klbm 16 A U+V dbZEb m 16 V dbZE BZEVo L V d v7 3B1E “S HK& Z Tb !9W 7 p V c p V| XXXTJHDPN - 23 - =ZEo #o u d1BZE l7 39 l V sb o u dBhl 7 31=l 1 zZEb o u d ZEM1M B YVV di 1 7 3l1 bW ZEb KBZEo u d7 3Kl o V ?C5 P1 AF ? Z Tb wi P Z
9、Eb 1 Bt = 8 bW H P V db f /1“Sb KzXE F !9h b L zlVo V dL F z T V ? o zMb“ P 0402 F9 V P 20mil zLbLV dm 17 Uimjb m 17 wi V dbZE vj 1 ) ro wim 18 ZEb m 18 v V db !9W 7 p V c p V| XXXTJHDPN - 24 - 9 “d !91 PXrK !9b Ha PLLaDLL !91 P A1 H1F ro Es1 PH rob 84| ZE9 ?C q v1 B q4 a “d !9b9“d !9 8 MM1ib Z 8Zb1o g !9ZE 8 f 8s ?z % 5b
