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VIPER53ESP-E
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P31
Oper
ation p
ictu
res
VIPe
r53EDI
P -
E / V
IPer5
3ESP -
E
22/31
Do
cRev1
Figu
re 9.
Start-u
p V
DD
current
Figur
e 10.
Blanking
Time
Figu
re 1
1.
T
her
mal S
hutdow
n
F
igur
e 12.
Ove
rvoltage E
vent
I
DD
V
DD
V
DDh
yst
V
DDo
ff
V
DDo
n
I
DD0
I
DDc
h1
I
DDc
h2
V
DS
= 100 V
F
SW
= 0 k
Hz
V
COMP
t
b
t
b1
t
b2
V
CO
MPbl
V
COMPh
i
V
DD
V
CO
MP
T
j
V
DDon
T
SD
T
SD
-T
HYST
Automatic
star
tup
Abnormal
opera
tion
V
DS
V
COM
P
V
DD
V
DDov
p
Swi
tch
ing
Not
swi
tchi
ng
VIPer5
3EDI
P -
E / VI
Per5
3ESP -
E
Operati
on p
ictur
es
DocRev1
23/31
Figur
e 1
5.
Osc
illa
tor
Sche
mati
c
Figu
re 13.
S
h
ut
do
wn Acti
on
Fig
ure 14
.
Com
p Pin Ga
in an
d Offset
t
t
I
D
V
COMP
t
V
OS
C
V
CO
MP
of
f
V
OSC
hi
V
OSC
lo
V
CO
MP
I
Dpeak
V
COMPos
V
COMPhi
Slope
= 1 / H
COMP
I
Dl
i
m
V
COM
Po
vl
I
Dm
ax
32
0
Ω
SOUR
CE
OS
C
VD
D
PWM
sec
tion
Ct
Rt
Vcc
Oper
ation p
ictu
res
VIPe
r53EDI
P -
E / V
IPer5
3ESP -
E
24/31
Do
cRev1
The switching frequency
settings
shown
on the
gra
phic here below i
s valid within the
following bou
ndaries:
R
t
> 2k
Ω
F
SW
= 3
00kHz
Figur
e 1
6.
Osc
illa
tor
Setti
ngs
Figure 17.
T
ypic
al Frequency V
ariation vs. Junction T
em
perature
11
0
1
0
0
10
300
100
Frequency (kHz)
R
T
(K
Ω
)
1nF
2.2nF
4.7nF
10nF
22nF
-20
0
20
40
60
80
10
0
12
0
0.96
0.9
8
1
1.0
2
1.04
Normalised Freque
ncy
T
emperature (°
C)
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P31
VIPER53ESP-E
Mfr. #:
Buy VIPER53ESP-E
Manufacturer:
STMicroelectronics
Description:
AC/DC Converters OFF line Primary Swtch
Lifecycle:
New from this manufacturer.
Delivery:
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EMS
Payment:
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