RDK-249 Power Integrations, RDK-249 Datasheet - Page 18

• Manufacturer Part Number: RDK-249
• Description: KIT REF DESIGN PFS762HG
• Manufacturer: Power Integrations
• Series: HiperTFS®r

Specifications of RDK-249

• Main Purpose: Reference Design, PC Power Supply
• Embedded: No
• Utilized Ic / Part: TFS762HG
• Primary Attributes: 12V 25A, 5V 2.9A Outputs, 300 ~ 385 VDC Input
• Output Voltage: 5 V
• Input / Supply Voltage (max): 385 VDC
• Input / Supply Voltage (min): 300 VDC
• Duty Cycle (max): 50 %
• Mounting Style: Through Hole
• Output Current: 2.9 A
• Output Power: 14.5 W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Secondary Attributes: -
• Other names: 596-1398

Rev. C 02/11
Figure 22. Input OVP (Latching).
Figure 23. Non-latching Input OVP.
18
TFS757-764HG
I
L(OV)
R
R
1
1
=
+ R
10 kΩ
VR1 - 1.9 V
10 kΩ
I
=
L(OV)
R
R
R
1
2
1
V
I
1
L(OV)
=
= 4 MΩ
+ R
300 kΩ
IN(OV)
+ R
VR1 - 1.9 V
=
20 kΩ
R
2
V
I
2
1
L(OV)
= 4 MΩ
IN(OV)
+ R
2
Q1
V
V
BIAS
BIAS
100 kΩ
100 kΩ
(+12 V)
(+12 V)
VR1
VR1
90 kΩ
90 kΩ
R
R
1
1
V
V
IN
IN
3.9 MΩ
3.9 MΩ
R
R
2
2
FB
EN
BP
EN
BP
FB
R
L
R
L
HiperTFS
HiperTFS
CONTROL
CONTROL
G
VDDH
G
VDDH
S
S
HD
HS
D
DSB
HD
HS
D
DSB
PI-5875-111710
PI-5876-111710
www.powerint.com