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drop voltage simulator
Becouse I designed the LDO and have to know him drop out :) But I have to know, how drop out depend on output current and teperature...
ldo dropout voltage
Please, can somebody help me to simulation drop out voltage of LDO? I know, I have to use transient analysis but don't know how to calculation drop out voltage. Please help me...
highly resistive path
I have same problem... I use rpolyh and rpoly2 resistors from PRIMLIB, but LVS not found it. I have 5 rpolyh and 6 rpoly2. LVS found in layout, 5 rpolyh and 6 rpoly2 but in schematic found 11 rpoly2. I don't know where is the problem???? Please help me...
thermal shutdown design
Yes, I was trying something like this but in my technology I have only lateral pnp bjt. I can't use 2 or 3 bjt in serial :( Thanks for help :)
I think that this NMOS are connect bad because source is floating. If can be connect like diode, anode must be connect on higher potential, anode is P type. If can be connect like capacitor, drain and source must be connect on gate. In this case I think that it could be something like capacitor.
voltage reference
300 nW, 12 ppm//spl deg/C Voltage Reference in a Digital 0.35 /spl mu/m CMOS Process
G. De Vita G. Iannaccone P. Andreani
Dipt. di Ingegneria dell'Informazione: Elettronica, Informatica, Telecomunicazioni, Universita di Pisa;
This paper appears in: VLSI Circuits...
bandgap problem
I think that for TC=10ppm you should use quadratic PTAT current generator. Design of quadratic PTAT is most difficult but you will have better TC.
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