世纪电源网社区logo
社区
Datasheet
标题
返回顶部
未解决

uc3842 在线求答

[复制链接]
查看: 2565 |回复: 14
1
yihone1
  • 积分:129
  • |
  • 主题:3
  • |
  • 帖子:10
积分:129
LV2
本网技师
  • 2012-9-4 15:10:11
10问答币
saber仿真 出现这错误 求解答
Copyright (c) 1985-2006 Synopsys, Inc. Rights reserved under the
copyright laws of the United States of America.
Copyright 1991-1998 by Bell Labs Innovations for Lucent Technologies.
Lucent Technologies disclaims all warranties with regard to this software,
including all implied warranties of merchantability and fitness. In no
event shall Lucent Technologies be liable for any special, indirect or
consequential damages or any damages whatsoever resulting from loss of use,
data or profits, whether in an action of contract, negligence or other
tortuous action, arising out of or in connection with the use or performance
of this software.

Copyright (c) 1988-1989 Berkeley EDIF Software, Wendell C. Baker, and
Prof. A. Richard Newton. All rights reserved.
This software is made available AS IS, and neither the Electronics Research
Laboratory or the University of California make any warranty about the
software, its performance or its conformity to any specification.
RESTRICTED RIGHTS LEGEND
Use, duplication, or disclosure by the U.S. Government is subject to
restrictions as set forth in Subparagraph (c)(1)(ii) of the Rights in
Technical Data and Computer Software clause at DFARS 252.227-7013,
FAR 52.227-14(g), or FAR 52.227-(19), as applicable.
Synopsys, Inc.
700 East Middlefield Rd.
Mountain View, CA 94043
U.S. Patent Nos. 4,868,770 (Canadian Patent No. 1,323,930); 4,985,860
(Canadian Patent No. 1,319,989); 5,046,024; 5,199,103; 5,404,319;
5,548,539; 6,532,569; 6,975,972. Other foreign patents pending.
Synopsys and MAST are registered trademarks of Synopsys, Inc.
CosmosScope and True-Hspice are trademarks of Synopsys, Inc.
SABER is a registered trademark of SabreMark Limited Partnership
and is used under license. Other company and product names
may be trademarks or service marks of others and should be
treated as such.
Saber 2007.03-5.10 Build 27 on 20-Feb-2007 Copyright 1985-2006 Synopsys, Inc.
MAST 2007.03-3.7 Build 27 on 20-Feb-2007 Copyright 1985-2006 Synopsys, Inc.
Library 2007.03-5.5 Build 27 on 20-Feb-2007 Copyright 1985-2006 Synopsys, Inc.
Searching for licenses ...
SABER_SIMULATOR: license.
Template ide_tech
Template ide_a2dn
Template bjt_l4
Template pwld
Template pwmtype
Template info_types
Template pwm_info
Template include_1842
Template op3type
Template op3inp
Template pwli
Template op3out
Template op3
Function ratingbpn
Function pwmpar
Template electric_enums
Template driver
Template totem
Template ramps
Template vref
Template ide_d2an
Template zd
Template comp_l4
Template set_l4
Template nrlch_l4
Template logic_op
Template or4_l4
Function tmpval
Template uc3842
Template mpv3type
Template mosfet_info
Template msp
Template dptype
Function dpparamc
Function dpnsc
Function dpvalc
Function dpnoisec
Template dpc
Template cnlc
Template mpv3c
Template irf460
Template diyici
Loading dynamic libraries...
saber
Host usst-6f27c24b4b, Intel Pentium III running Windows NT 5.1 Ver. 2600 Service
Pack 3
Tue Sep 04 15:02 2012
aim
dctr(tend 100u,tstep 0.1u
The no_ramping algorithm failed. Trying the dyn_ramping algorithm.
The dyn_ramping algorithm failed. Trying the gmin_ramping algorithm.
The gmin_ramping algorithm failed. Trying the static_ramping algorithm.
The static_ramping algorithm failed. Trying the den_ramping algorithm.
Automatic algorithm selection exhausted
*** ERROR "MAST_NO_EQUATION" *** No equation at /i(v.v1).
*** ERROR "ALG_SINGULAR_JACOBIAN" *** Singular Jacobian matrix.
Some possible causes for a singular Jacobian matrix:
- Model operating outside of its intended region of operation.
- Node/subsystem with no connection to the reference (floating).
- Current loops (voltage sources/inductors in parallel).
- Missing equation and/or missing variable reference.
Partial results were written to the initial point "dcerr".
execution time= 0.0156 sec.
messages given: 2 errors
quit
diyici: total CPU execution time= 0.594 sec.

nc965
  • 积分:73109
  • |
  • 主题:114
  • |
  • 帖子:22458
积分:73109
版主
  • 2012-9-4 16:11:12
 
请发压缩原文件
yihone1
  • 积分:129
  • |
  • 主题:3
  • |
  • 帖子:10
积分:129
LV2
本网技师
  • 2012-9-4 16:30:53
 
yihone1
  • 积分:129
  • |
  • 主题:3
  • |
  • 帖子:10
积分:129
LV2
本网技师
  • 2012-9-4 16:31:10
 
附了
yihone1
  • 积分:129
  • |
  • 主题:3
  • |
  • 帖子:10
积分:129
LV2
本网技师
  • 2012-9-4 16:32:29
 
现在问题是 uc3842 输出不是信号 开关一直导通 电压达不到21V
nc965
  • 积分:73109
  • |
  • 主题:114
  • |
  • 帖子:22458
积分:73109
版主
  • 2012-9-4 16:49:20
  • 倒数10
 
VCC提高到18V,取消三极管,波形就出来了
yihone1
  • 积分:129
  • |
  • 主题:3
  • |
  • 帖子:10
积分:129
LV2
本网技师
  • 2012-9-4 17:12:35
  • 倒数9
 
能把你的 附件给我吗 我看看
nc965
  • 积分:73109
  • |
  • 主题:114
  • |
  • 帖子:22458
积分:73109
版主
  • 2012-9-4 17:26:43
  • 倒数8
 
yihone1
  • 积分:129
  • |
  • 主题:3
  • |
  • 帖子:10
积分:129
LV2
本网技师
  • 2012-9-4 17:30:32
  • 倒数7
 
你把三极管去了  能运行吗?  那三根线没连?
nc965
  • 积分:73109
  • |
  • 主题:114
  • |
  • 帖子:22458
积分:73109
版主
  • 2012-9-4 17:34:33
  • 倒数6
 
不是三极管的影响,有三极管也能够出波形,只是慢
你的参数太离谱,所以波形很离谱
重点检测CS电压,最高不要超过1V,检测VFB电压,应该是2.5V,你差得太远。
yihone1
  • 积分:129
  • |
  • 主题:3
  • |
  • 帖子:10
积分:129
LV2
本网技师
  • 2012-9-4 17:35:29
  • 倒数5
 
你出的波形很好啊  能参考下你的参数吗  你放的图我看不清
nc965
  • 积分:73109
  • |
  • 主题:114
  • |
  • 帖子:22458
积分:73109
版主
  • 2012-9-4 17:37:36
  • 倒数4
 
我没有改你的参数啊,只改了VDD
yihone1
  • 积分:129
  • |
  • 主题:3
  • |
  • 帖子:10
积分:129
LV2
本网技师
  • 2012-9-4 17:47:02
  • 倒数3
 
能加下Q吗 1062239469
yihone1
  • 积分:129
  • |
  • 主题:3
  • |
  • 帖子:10
积分:129
LV2
本网技师
  • 2012-9-4 17:52:17
  • 倒数2
 
VDD? 我运行的不行和你的不一样啊
nc965
  • 积分:73109
  • |
  • 主题:114
  • |
  • 帖子:22458
积分:73109
版主
最新回复
  • 2012-9-4 17:53:17
  • 倒数1
 
热门技术、经典电源设计资源推荐

世纪电源网总部

地 址:天津市南开区黄河道大通大厦5层

电 话:400-022-5587

传 真:(022)27690960

邮 编:300110

E-mail:21dy#21dianyuan.com(#换成@)

世纪电源网分部

广 东:(0755)28285637 /(13823562357)

北 京:(010)69525295 /(15901552591)

上 海:(021)24200688 /(13585599008)

香 港:HK(852)92121212

China(86)15220029145

网站简介 | 网站帮助 | 意见反馈 | 联系我们 | 广告服务 | 法律声明 | 友情链接 | 清除Cookie | 小黑屋 | 不良信息举报 | 网站举报

Copyright 2008-2021 21dianyuan.com All Rights Reserved    备案许可证号为:津ICP备10002348