RDK-249 Power Integrations, RDK-249 Datasheet - Page 6

• 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

Figure 3.
Rev. C 02/11
and MAIN CURRENT
FEEDBACK (FB)
6
LIMIT SELECT
OPERATING VOLTAGE (VDDH)
LINE-SENSE (L)
RESET (R)
BYPASS (BP)
HSD1
HSD2
PWM INPUT
Functional Block Diagram for Two-Switch Forward Converter.
TFS757-764HG
HIGH-SIDE
3 V+VT
V BG
MAIN REMOTE-ON
REMOTE
SENSE
LINE
OFF
LV
LV
FAULT PRESENT
D
12 V
2MAX
REMOTE OFF
CLK2
DISCRIMINATOR
SAW
R
L
SOFT-START
INPUT
POWER ON
PWM
11.1 V
9.9 V
SELECT
CYCLE
DUTY
LIMIT
I
LIMIT
COMPARATOR
VI
UNDERVOLTAGE
STOP
DSS
LIMIT
GATE
PWM
CLK
D
ON
MAX
-
+
VDDH
+
PI-5263-021511
S
R
Q
R
S
THERMAL SD
Q
CURRENT LIMIT
CONTROLLED
GATE DRIVER
COMPARATOR
TURN-ON
BLANKING
+
-
LEADING
PI-5516-060410
EDGE
HSD1
www.powerint.com
GATE
HS
HSD2
SOURCE (HS)
DRAIN (HD)
HIGH-SIDE
HIGH-SIDE
SOURCE (S)
DRAIN (D)