VIPER15

Manufacturer Part NumberVIPER15
DescriptionVIPerPlus family: quasi-resonant high performance off line high voltage converter
ManufacturerSTMicroelectronics
VIPER15 datasheet
 


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VIPER15
Table 8.
Controller section (continued)
Symbol
Oscillator section
Internal frequency limit
F
OSClim
Internal frequency limit
F
Starter frequency
STARTER
F
OSCmin
Brown-out protection
V
Brown-out threshold
BRth
Voltage hysteresis above
V
BRhyst
V
BRth
I
Current hysteresis
BRhyst
V
Clamp voltage
BRclamp
V
Brown-out disable voltage
DIS
Thermal shutdown
Thermal shutdown
T
SD
temperature
T
Thermal shutdown hysteresis
HYST
Parameter
Test condition
VIPER15L
VIPER15H
V
=1 V,
FB
V
<V
ZCD
ZCDT th
t<t
SU
V
=1 V,
FB
V
<V
ZCD
ZCDT th
t>t
SU
VFB = 1 V,
V
>V
ZCD
ZCDA_th
Voltage falling
Violate rising
I
= 250 µA
BR
Doc ID 15455 Rev 5
Electrical data
Min.
Typ.
Max. Unit
122
136
150
kHz
200
225
250
kHz
1/4
kHz
F
OSClim
1/8
kHz
F
OSClim
1/64
kHz
F
OSClim
0.41
0.45
0.49
V
50
mV
μA
7
12
3
V
50
150
mV
150
160
°C
30
°C
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