FSFR1800 Fairchild Semiconductor, FSFR1800 Datasheet - Page 3

IC SWIT PROG OVP OCP 9SIP

FSFR1800

Manufacturer Part Number
FSFR1800
Description
IC SWIT PROG OVP OCP 9SIP
Manufacturer
Fairchild Semiconductor
Series
FPS™r
Datasheet

Specifications of FSFR1800

Output Isolation
Isolated
Frequency Range
94kHz ~ 106kHz
Voltage - Input
9.6 V ~ 25 V
Voltage - Output
500V
Power (watts)
260W
Operating Temperature
-40°C ~ 130°C
Package / Case
9-SIP
Output Voltage
24 V
Output Current
8 A
Output Power
260 W
Switching Frequency
300 KHz
Operating Temperature Range
- 40 C to + 130 C
Mounting Style
Through Hole
Duty Cycle (max)
52 %
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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© 2007 Fairchild Semiconductor Corporation
FSFR series Rev.1.0.9
Pin Configuration
Pin Definitions
Pin #
10
1
2
3
4
5
6
7
8
9
Name
HV
CON
LV
V
V
SG
PG
NC
CS
R
CTR
DL
T
CC
CC
This is the drain of the high-side MOSFET, typically connected to the input DC link voltage.
This pin is for enable/disable and protection. When the voltage of this pin is above 0.6V, the
IC operation is enabled. When the voltage of this pin drops below 0.4V, gate drive signals for
both MOSFETs are disabled. When the voltage of this pin increases above 5V, protection is
triggered.
This pin programs the switching frequency. Typically, an opto-coupler is connected to control
the switching frequency for the output voltage regulation.
This pin senses the current flowing through the low-side MOSFET. Typically, negative
voltage is applied on this pin.
This pin is the control ground.
This pin is the power ground. This pin is connected to the source of the low-side MOSFET.
This pin is the supply voltage of the control IC.
No connection.
This is the supply voltage of the high-side gate-drive circuit IC.
This is the drain of the low-side MOSFET. Typically, a transformer is connected to this pin.
V
1
DL
Figure 3. Package Diagram
CON
2 3 4 5 6 7
R
T
CS
SG
PG
3
LVcc
8
Description
HVcc
9
10
V
CTR
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