FSCQ FAIRCHILD [Fairchild Semiconductor], FSCQ Datasheet - Page 7

• Manufacturer Part Number: FSCQ
• Description: Green Mode Fairchild Power Switch (FPS)
• Manufacturer: FAIRCHILD [Fairchild Semiconductor]

Electrical Characteristics
(Ta=25°C unless otherwise specified)
Note:
1. These parameters, although guaranteed, are tested only in EDS (wafer test) process.
2. These parameters, although guaranteed at the design, are not tested in mass production.
Parameter
CONTROL SECTION
Switching Frequency
Switching Frequency Variation
Feedback Source Current
Maximum Duty Cycle
Minimum Duty Cycle
UVLO Threshold Voltage
Soft Start Time
BURST MODE SECTION
Burst Mode Enable Feedback Voltage
Burst Mode Feedback Source Current
Burst Mode Switching Time
Burst Mode Hold Time
PROTECTION SECTION
Shutdown Feedback Voltage
Shutdown Delay Current
Over Voltage Protection
Over Current Latch Voltage
Thermal Shutdown Temp
(1)
(2)
(1)
(1)
(Continued)
Symbol
V
ΔF
V
I
D
F
DELAY
V
V
V
D
START
I
T
V
STOP
T
T
T
BFB
OSC
I
MAX
OVP
BEN
OCL
MIN
FB
OSC
SS
BS
BH
SD
SD
V
-25°C ≤ Ta ≤ 85°C
V
V
V
V
V
V
V
V
V
V
V
V
FB
FB
FB
FB
FB
FB
FB
FB
FB
CC
FB
FB
CC
=1V
=1V
= 5V, V
= 0.8V, V
= 5V, V
= 0V, V
= 5V, V
= 3V
= 0V
= 0.9V, Duty =50%
= 0.9V -> 0V
= 18V
= 18V
Condition
-
-
-
CC
CC
CC
CC
CC
= 18V
= 18V
= 18V
= 18V
= 18V
Min. Typ. Max. Unit
0.25 0.40 0.55
140
0.5
1.2
1.2
7.0
0.9
18
92
14
18
60
11
0
8
4
-
0.65
100
1.4
1.4
7.5
1.0
20
±5
95
15
20
12
0
9
5
-
FSCQ-SERIES
±10
140
0.8
1.6
1.6
8.0
1.1
22
98
16
10
22
13
6
-
-
kHz
mA
ms
ms
ms
μA
uA
°C
%
%
%
V
V
V
V
V
V
7