Device Modeling of OVP using PSpice

1. IC Modeling
Device Modeling of OVP
Using PSpice
OVP(Over Voltage Protection)
VOUT端子電圧を監視し、OVP電圧に達すると発振を
停止する回路です。
13OCT2014
Bee Technologies Inc
Tsuyoshi Horigome

2. Equivalent Circuit
OUT-E1
IN+
IN-OUT+
EVALUE
R1
10
OVP
if (V(OVP_INPUT_P,OVP_INPUT_M)>0.01,5,0)
OVP_INPUT_P
R2
100MEG
R3
100MEG
C1
10p
V1
19Vdc
V2
V1 = 0
V2 = 25
TD = 0
TR = 10u
TF = 10u
PW = 10n
PER = 20.01u
OVP_INPUT_M
OVP_OUTPUT
0
0
0
0 0 0
V
V
V

3. Simulation
Input
Output