Data Sheet

© 2009 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSGM0765R • Rev. 1.0.2 5
FSGM0765R — Green-Mode Fairchild Power Switch (FPS™)
Electrical Characteristics
T
J
=+25°C unless otherwise specified.
Symbol Parameter Conditions Min. Typ. Max. Unit
SenseFET Section
BV
DSS
Drain-Source Breakdown Voltage
V
CC
=0V, I
D
=250μA
650 V
I
DSS
Zero-Gate-Voltage Drain Current
V
DS
=520V, T
A
=+125°C
250
μA
R
DS(ON)
Drain-Source On-State Resistance V
GS
=10V, I
D
=1A 1.3 1.6 
C
ISS
Input Capacitance
(13)
V
DS
=25V, V
GS
=0V, f=1MHz 674 pF
C
OSS
Output Capacitance
(13)
V
DS
=25V, V
GS
=0V, f=1MHz 93 pF
t
r
Rise Time V
DS
=325V, I
D
=4A, R
G
=25 30 ns
t
f
Fall Time V
DS
=325V, I
D
=4A, R
G
=25 26 ns
t
d(on)
Turn-On Delay Time V
DS
=325V, I
D
=4A, R
G
=25 16 ns
t
d(off)
Turn-Off Delay Time V
DS
=325V, I
D
= 4A, R
G
=25 39 ns
Control Section
f
S
Switching Frequency V
CC
=14V, V
FB
=4V 60 66 72 kHz
Δf
S
Switching Frequency Variation
(13)
- 25°C < T
J
< +125°C ±5 ±10 %
D
MAX
Maximum Duty Ratio V
CC
=14V, V
FB
=4V 65 70 75 %
D
MIN
Minimum Duty Ratio V
CC
=14V, V
FB
=0V 0 %
I
FB
Feedback Source Current V
FB
=0 160 210 260
μA
V
START
UVLO Threshold Voltage
V
FB
=0V, V
CC
Sweep 11 12 13 V
V
STOP
After Turn-on, V
FB
=0V 7.0 7.5 8.0 V
V
OP
V
CC
Operating Range 13 23 V
t
S/S
Internal Soft-Start Time V
STR
=40V, V
CC
Sweep 15 ms
Burst-Mode Section
V
BURH
Burst-Mode Voltage V
CC
=14V, V
FB
Sweep
0.5 0.6 0.7 V
V
BURL
0.3 0.4 0.5 V
Hys 200 mV
Protection Section
I
LIM
Peak Drain Current Limit
di/dt=300mA/μs
2.37 2.60 2.83 A
V
SD
Shutdown Feedback Voltage V
CC
=14V, V
FB
Sweep 5.5 6.0 6.5 V
I
DELAY
Shutdown Delay Current V
CC
=14V, V
FB
=4V 2.5 3.3 4.1
μA
t
LEB
Leading-Edge Blanking Time
(13)(14)
300 ns
V
OVP
Over-Voltage Protection V
CC
Sweep 23.0 24.5 26.0 V
t
OSP
Output Short
Protection
(13)
Threshold Time
OSP Triggered when
t
ON
<t
OSP
& V
FB
>V
OSP
(Lasts Longer than t
OSP_FB
)
1.0 1.2 1.4
μs
V
OSP
Threshold V
FB
1.8 2.0 2.2 V
t
OSP_FB
V
FB
Blanking Time 2.0 2.5 3.0
μs
T
SD
Thermal Shutdown Temperature
(13)
Shutdown Temperature +130 +140 +150
°C
Hys Hysteresis +30
°C
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