RDK-249 Power Integrations, RDK-249 Datasheet - Page 7

• 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 4.
www.powerint.com
CURREN LIMIT
and STANDBY
ENABLE (EN)
Functional Block Diagram for Flyback/Standby Converter.
SELECT
BYPASS (BP)
115 µA
ENABLE
1.0 V + V
1.0 V
T
LATCH OFF
REMOTE
REMOTE
MAIN
MAIN
OVP
ON/
ON
OSCILLATOR
6.0 V
COUNTER
RESTART
AUTO-
JITTER
RESET
CLOCK
SAW
DC
CLK2
D
SAW
2MAX
MAX
CLK2
PRESENT
FAULT
LV (LINE VOLTAGE)
D
2MAX
PRESENT
FAULT
ENABLE PULL
UP RESISTOR
SELECT AND
LIMIT STATE
CURRENT
MACHINE
SHUTDOWN
THERMAL
S
R
5.7 V
4.7 V
Q
Q
+
-
THERMAL SD
REGULATOR
BYPASS PIN
UNDER-VOLTAGE
5.7 V
CURRENT LIMIT
COMPARATOR
ADJUST
TFS757-764HG
I
LIMIT
V
BLANKING
IN
LEADING
EDGE
+
STANDBY DRAIN (DSB)
-
V
I LIMIT
PI-5264-020510
SOURCE (S)
Rev. C 02/11
7