fs7m0680 Fairchild Semiconductor, fs7m0680 Datasheet - Page 6

• Manufacturer Part Number: fs7m0680
• Description: Fairchild Power Switch Fps Tm
• Manufacturer: Fairchild Semiconductor

FS7M0680, FS7M0880
Electrical Characteristics
(Ta=25qC unless otherwise specified)
Note:
1. These parameters, although guaranteed, are not 100% tested in production
2. These parameters, although guaranteed, are tested in EDS (wafer test) process
6
Parameter
UVLO SECTION
Start Threshold Voltage
Stop Threshold Voltage
OSCILLATOR SECTION
Initial Frequency
Frequency Change With Temperature
Maximum Duty Cycle
FEEDBACK SECTION
Feedback Source Current
Shutdown Delay Current
SOFT START SECTION
Soft Start Voltage
Soft Start Current
CURRENT LIMIT (SELT-PROTECTION)SECTION
FS7M0680
FS7M0880
PROTECTION SECTION
Thermal Shutdown Temperature (Tj)
Over Voltage Protection Voltage
Over Current Protection Voltage
TOTAL DEVICE SECTION
Start Up Current
Operating Supply Current
(Control Part Only)
Shutdown Feedback Voltage
(1)
(Continued)
(2)
Symbol
V
V
I
Iop(lat)
I
I
'F/'T
Dmax
Idelay
V
F
V
START
OVER
OVER
START
V
V
STOP
T
I
I
I
OSC
OCP
OVP
OP
SS
FB
SD
SD
SS
After turn on
-25qC dTa d+85qC
Ta=25qC, 0V dVfb d3V
Ta=25qC, 5V dVfb dV
V
Sync & S/S=GND
Max. inductor current
Max. inductor current
V
Ta=25qC
After latch,
Vcc=Vstop-0.1V
FB
CC
=14V
=2V
Condition
-
-
-
-
-
-
-
SD
Min.
3.52
4.40
1.05
140
150
0.7
4.0
4.7
0.8
6.9
14
60
45
25
8
-
-
-
Typ.
4.00
5.00
1.10
250
0.9
5.0
5.0
1.0
7.5
15
66
r5
50
28
40
9
8
Max.
4.48
5.60
1.15
r10
350
1.1
6.0
5.3
1.2
8.1
16
10
72
55
31
80
12
Unit
kHz
mA
mA
mA
PA
uA
uA
qC
%
%
V
V
V
A
A
V
V
V