FSGM0765R Fairchild Semiconductor, FSGM0765R Datasheet - Page 5

• Manufacturer Part Number: FSGM0765R
• Description: The FSGM0765R is an integrated Pulse Width Modulation (PWM) controller and SenseFET specifically designed for offline Switch-Mode Power Supplies (SMPS) with minimal external components
• Manufacturer: Fairchild Semiconductor

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