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[参考译文] LMR50410:LTSpice 仿真

Guru**** 2595805 points
Other Parts Discussed in Thread: LMR50410

请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/996537/lmr50410-ltspice-simulation

器件型号:LMR50410

您好!

创建 LMR50410X 并尝试在 LTSpice 中进行仿真后。

它显示以下警告

我随附了该代码

.ENDS LMR50410X_TRANS
.PARAM  gain_comp2i_pfm={{iminpk-0.1}/vcomp_min} gain_comp2i={{imaxpk-0.1}/
+ {vcomp_max}} rt={gain_ramp/(cramp*vosc*freq)} zero1=8k vosc=1.1
+  gain_slope2i={.36/gain_comp2i/vosc} imaxpk=1.8 fpwm=0 cds_ls={4.8e-10/rdsls}
+  imaxvy=1.3 imaxneg=-0.5 eagain=10u rsense_hs=51k rdsls=285m i_trans=2p
+  vref=1.0 lcomp=25p dy_hs_ok=53n dy_ls_ok=110n offset=0.04 cramp_h=3.3p
+  iclamp=0.0 vcc=5 dy_dr_hs=5n vcmdgap={-{iminpk}/{gain_comp2i}} buffer_gain=0.9
+  rvtoi_hs={rsense_hs/gain_comp2i/rdshs} rsense_ls={rsense_hs*rdsls/rdshs}
+  css=1p fdbkvtoi=1000u dcgain=15849 r_trans={vout/i_trans} freq=700k cramp=3.3p
+  ifoldbacksupply=1u dy_add_hs_on=7n dy_add_ls_on=10n gain_ramp=0.25
+  fsmin_ratio=0.1 dy_shiftdn=4n vcomp_min=0.1 ifdbk={1.0*cramp*vosc*freq
+  / 100e-9} rvtoi_slope={rvtoi_hs/gain_slope2i} pk2vl=5 rdc_gain={dcgain/eagain}
+  dy_dr_ls=5n dy_shiftup=25n vminboot=1.6 pole1=3 ccomp=25p rvtoi_ls=
+ {rvtoi_hs/pk2vl} vcomp_maxvy={{pk2vl*imaxvy}/{gain_comp2i}}
+  rcomp=1060k rdshs=550m iminpk=0.3 vcomp_max=1.0
+  gain_lowslope2i={2.1/gain_comp2i/vosc} pole2=800k
*$

非常感谢您的帮助。

此致

Sathish D

  • 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

    你好,Sathish,

    LMR50410 PSPICE 模型可能不支持其他仿真软件、您能否在 PPCIE 中对其进行仿真?