STEVAL-TSP001V1 STMicroelectronics, STEVAL-TSP001V1 Datasheet - Page 14

• Manufacturer Part Number: STEVAL-TSP001V1
• Description: BOARD EVAL POE STHS4257A/L6565D
• Manufacturer: STMicroelectronics
• Type: Other Power Managementr

Specifications of STEVAL-TSP001V1

• Main Purpose: Special Purpose DC/DC, Power Over Ethernet
• Outputs And Type: 2, Isolated
• Power - Output: 10W
• Voltage - Output: 3.3V, 1.2V
• Current - Output: 650mA, 650mA
• Voltage - Input: 48V
• Regulator Topology: Buck
• Frequency - Switching: 30kHz
• Board Type: Fully Populated
• Utilized Ic / Part: L6565
• Output Voltage: 3.3 V, 12 V
• Dimensions: 127 mm x 38.1 mm
• Interface Type: Ethernet
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: L6565
• Other names: 497-6427; STEVAL-TSP001V1

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