FS8S0765RCB
Electrical Characteristics
(Continued)
(Ta=25°C unless otherwise specified)
Parameter
UVLO SECTION
Start Threshold Voltage
Stop Threshold Voltage
OSCILLATOR SECTION
Initial Frequency
Voltage Stability
Temperature Stability (1)
Maximum Duty Cycle
Minimum Duty Cycle
FEEDBACK SECTION
Feedback Source Current
Feedback Sink Current
Shutdown Feedback Voltage
Shutdown Delay Current
PROTECTION SECTION
Over Voltage Protection
Over Current Latch Voltage (2)
Thermal Shutdown Temp.(1)
SYNC & SOFTSTART SECTION
Softstart Vortage
Softstart Current
Sync High Threshold Voltage
Sync Low Threshold Voltage
V
SS
I
SS
V
SH
V
SL
Vfb=2
Vss=0V
Vcc=16V,Vfb=5V
Vcc=16V,Vfb=5V
4.7
0.8
6.7
5.4
5.0
1.0
7.2
5.8
5.3
1.2
7.9
6.2
V
mA
V
V
V
OVP
V
OCL
T
SD
Vcc
≥
27V
-
-
34
0.95
140
37
1.0
160
-
1.05
-
V
V
°C
I
FBSO
I
FBSI
V
SD
Idelay
V
FB
=GND
V
FB=
4V,V
CC
=19V
Vfb
≥
6.9V
V
FB
=5V
0.7
2.4
6.9
1.6
0.9
3.0
7.5
2.0
1.1
3.6
8.1
2.4
mA
mA
V
µA
F
OSC
F
STABLE
∆F
OSC
D
MAX
D
MIN
-
12V
≤
Vcc
≤
23V
-25°C
≤
Ta
≤
85°C
-
-
18
0
0
92
-
20
1
±5
95
-
22
3
±10
98
0
kHz
%
%
%
%
V
START
V
STOP
V
FB
=GND
V
FB
=GND
14
8
15
9
16
10
V
V
Symbol
Condition
Min.
Typ.
Max.
Unit
Note:
1. These parameters, although guaranteed at the design, are not tested in mass production.
2. These parameters, although guaranteed, are tested in EDS(wafer test) process.
5
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
