STEVAL-ISA041V1 STMicroelectronics, STEVAL-ISA041V1 Datasheet - Page 14
![BOARD EVAL STP12IE95F4](/photos/9/13/91341/steval-isa041v1_sml.jpg)
STEVAL-ISA041V1
Manufacturer Part Number
STEVAL-ISA041V1
Description
BOARD EVAL STP12IE95F4
Manufacturer
STMicroelectronics
Series
VIPER™r
Specifications of STEVAL-ISA041V1
Main Purpose
AC/DC, Primary Side
Outputs And Type
1, Isolated
Power - Output
125W
Voltage - Output
19V
Current - Output
6.6A
Voltage - Input
240 ~ 400VDC
Regulator Topology
Flyback
Frequency - Switching
55kHz
Board Type
Fully Populated
Utilized Ic / Part
L6565, STP12IE95F4
Product
Power Management Modules
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-8410
L6565
Figure 24. Primary Feedback loop configurations
Figure 25. Protection against secondary
Figure 26. Leading edge blanking circuit for
RELATED DOCUMENTATION
[1] "L6565, QUASI-RESONANT CONTROLLER” (AN1326)
[2] “25W QUASI-RESONANT FLYBACK CONVERTER FOR SET-TOP BOX APPLICATIONS USING THE
[3] “EVAL6565N, 30W AC-DC ADAPTER WITH THE L6565 QUASI-RESONANT PWM CONTROLLER”
14/17
L6565” (AN1376)
(AN1439).
feedback disconnection by primary
regulation take-over
enhanced primary regulation
470 pF
BC327
2.2 k
2.7 k
R
R
H
L
COMP
1N4148
GND
INV
a)
15 V
2
1
6
INV
2.5V
Vcc
8
1
+
-
E/A
L6565
L6565
8
Vcc
L6565
COMP
2
Vcc
GND
to VFF
block
Figure 27. Remote ON/OFF control
Figure 28. Low-consumption start-up circuit
Vac
R
ON
1N4148
OFF
C
START
1N4148
R
R
H
L
COMP
GND
GND
INV
6
L6565
b)
2
1
6
2.5V
8
Vcc
+Vin
5
Vcc
8
L6565
+
-
E/A
BC337
ZCD
L6565
C
SUPPLY
to VFF
block