STEVAL-ISA033V1 STMicroelectronics, STEVAL-ISA033V1 Datasheet - Page 19
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STEVAL-ISA033V1
Manufacturer Part Number
STEVAL-ISA033V1
Description
BOARD EVAL L5991/STP12NK80Z
Manufacturer
STMicroelectronics
Type
Supervisory Circuitsr
Specifications of STEVAL-ISA033V1
Main Purpose
AC/DC, Primary Side
Outputs And Type
3, Isolated
Power - Output
55W
Voltage - Output
13.8V, 3.8V, 25V
Current - Output
3A, 350mA, 200mA
Voltage - Input
88 ~ 300VAC
Regulator Topology
Flyback
Board Type
Fully Populated
Utilized Ic / Part
L5991, STP12NK80Z
Input Voltage
88 V to 300 V
Output Voltage
3.8 V to 25 V
Product
Power Management Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Frequency - Switching
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
For Use With/related Products
L5991, STP12NK80Z
Other names
497-8226
STEVAL-ISA033V1
STEVAL-ISA033V1
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STEVAL-ISA033V1
Manufacturer:
STMicroelectronics
Quantity:
1
Figure 42. Protection against overvoltage/feedback disconnection (latched)
Figure 43 Protection against overvoltage/feed-
Figure 45. Constant power in pulse-by-pulse current limitation (flyback discontinuous)
Figure 46. Voltage mode operation.
back disconnection (not latched)
DIS
VREF
DC
14
R
12
START
V
PGND
CC
4
3
L5991
SGND
R
80
START
12
8
V
CC
L5991
V
400V
11
11
8
IN
L5991
PGND
D97IN754
OUT
SGND
11
DC
D97IN755A
10
12
13
10K
COMP
ISEN
DC
SGND
3
6
R
FF
L5991
12
R
Figure 44. Device shutdown on overcurrent
PGND
D97IN758A
L p
13
L5991
11
ISEN
V
SGND
Z
R SENSE
R
2.2K
12
FF
DIS
14
13
= 6·10
4
OPTIONAL
D97IN757
14
VREF
DIS
ISEN
R
12
START
6
V
CC
L5991
SGND
R SENSE
8
R·L p
R
1
11
D97IN756A
PGND
D98IN905
I
pk max
L5991 - L5991A
R
2
R
R
SENSE
I
SENSE
2.5
I
1-
pk
19/23
R
R
2
1