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VIPER22ADIP-E Datasheet(PDF) 5 Page - STMicroelectronics

Part No. VIPER22ADIP-E
Description  Low Power OFF-Line SMPS Primary Switcher
Download  20 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VIPER22ADIP-E Datasheet(HTML) 5 Page - STMicroelectronics

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VIPer22ADIP/ VIPer22AS - E
Electrical Characteristics
Rev1
5/20
Table 5.
Oscillation section
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
FOSC
Oscillator frequency
total variation
VDD = VDDoff ... 35V;
TJ = 0 ... 100°C
54
60
66
kHz
Table 6.
PWM Comparator section
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
GID
IFB to ID current gain
(See Figure 11 on page 13)
560
IDlim
Peak current
limitation
VFB = 0V
(See Figure 11 on page 13)
0.56
0.7
0.84
A
IFBsd
IFB Shutdown current (See Figure 11 on page 13)
0.9
mA
RFB
FB Pin input
impedance
ID = 0mA
(See Figure 11 on page 13)
1.2
k
td
Current sense delay
to turn-OFF
ID = 0.4A
200
ns
tb
Blanking time
500
ns
tONmin
Minimum Turn-ON
time
700
ns
Table 7.
Overtemperature section
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
TSD
Thermal shutdown
temperature
(See Figure 12 on page 13)
140
170
°C
THYST
Thermal shutdown
hysteresis
(See Figure 12 on page 13)
40
°C
Table 8.
Typical Power Capability (1)
1.
Above power capabilities are given under adequate thermal conditions
Mains type
SO-8
DIP-8
European (195 - 265 Vac)
12W
20W
US / Wide range (85 - 265 Vac)
7W
12W


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