EVLVIP17-5WCHG STMicroelectronics, EVLVIP17-5WCHG Datasheet - Page 19
EVLVIP17-5WCHG
Manufacturer Part Number
EVLVIP17-5WCHG
Description
BOARD EVAL FOR VIPER17
Manufacturer
STMicroelectronics
Series
VIPer™ plusr
Specifications of EVLVIP17-5WCHG
Main Purpose
AC/DC, Primary and Secondary Side
Outputs And Type
1, Isolated
Power - Output
5W
Voltage - Output
5.1V
Current - Output
1A
Voltage - Input
90 ~ 264VAC
Regulator Topology
Flyback
Frequency - Switching
115kHz
Board Type
Fully Populated
Utilized Ic / Part
TSM1052, VIPer17
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-8250
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
VIPER17
Equation 3
Where:
●
●
●
●
●
●
●
Than, fixed R
Equation 4
The resistor values will be such that the current sourced and sunk by the CONT pin be
within the rated capability of the internal clamp.
Figure 26. OVP timing diagram
COUNTER
COUNTER
COUNTER
COUNTER
STATUS
STATUS
STROBE
STROBE
RESET
RESET
V CONT
FAULT
FAULT
V AUX
V
OVP
OVP
OVP
V
V
N
N
V
V
R
OVP
OUT OVP
DSEC
DAUX
AUX
SEC
OVP
0
0
0
0
is the OVP threshold (see
N
N
is the auxiliary winding turns
is the secondary winding turns
together R
O
O
is the auxiliary diode forward voltage
is the secondary diode forward voltage
R
R
M
M
LIM,
A
A
2 µs
2 µs
L
L
is the converter output voltage value to activate the OVP (set by designer)
O
O
0
0
P
P
E
E
according to the desired I
R
R
A
A
T
T
O I
O I
N
N
LIM
0.5 µs
0.5 µs
0
0
make the output voltage divider
0 →1
0 →1
Doc ID 14419 Rev 7
T
T
E
E
M
M
P
P
O
O
R
R
R
A
A
OVP
k
R
R
Y
Y
OVP
Table 8 on page
1 →2
1 →2
D
D
S I
S I
T
T
=
U
U
R
R
=
B
B
R
A
A
DLIM
N
N
--------------------------------- -
R
LIM
2 →0
2 →0
C
C
E
E
LIM
, the R
R
×
+
LIM
1 k
---------------------- -
R
–
k
OVP
OVP
0
0
OVP
8)
OVP
can be calculating by:
0 →1
0 →1
F
F
E
E
E
E
D
D
B
B
A
A
1 → 2
1 → 2
C
C
Operation descriptions
K
K
L
L
O
O
O
O
P
P
F
F
A
A
L I
L I
2 →3
2 →3
U
U
R
R
E
E
3 → 4
3 → 4
19/31
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t