7
www.fairchildsemi.com
FCAS50SN60 Rev. A
F
Electrical Characteristics
(T
J
= 25°C, Unless Otherwise Specified)
Control Part
Symbol
Note:
4. Short-circuit current protection is functioning only at the low-sides.
5. The fault-out pulse width t
FOD
depends on the capacitance value of C
FOD
according to the following approximate equation : C
FOD
= 18.3 x 10
-6
x t
FOD
[F]
Recommended Operating Conditions
Parameter
Conditions
Min.
Typ.
Max.
Units
I
QCCL
Quiescent V
CC
Supply
Current
V
CC
= 15V
IN
(L)
= 0V
V
CC
= 15V
IN
(H)
= 0V
V
BS
= 15V
IN
(H)
= 0V
V
SC
= 0V, V
FO
Circuit: 4.7k
to 5V Pull-up
V
SC
= 1V, V
FO
Circuit: 4.7k
to 5V Pull-up
V
CC
= 15V (Note 4)
Detection Level
V
CC(L)
- COM
-
-
40
mA
I
QCCH
V
CC(H)
- COM
-
-
80
μ
A
I
QBS
Quiescent V
BS
Supply
Current
V
B
- V
S
-
-
100
μ
A
V
FOH
V
FOL
V
SC(ref)
UV
CCD
UV
CCR
UV
BSD
UV
BSR
t
FOD
V
IH
V
IL
I
INH(ON)
I
INL(ON)
R
TH
Fault Output Voltage
4.5
-
-
V
-
-
0.8
V
Short Circuit Trip Level
0.45
0.5
0.55
V
Supply Circuit Under-
Voltage Protection
Applied between
V
CC(L)
- COM
10.5
-
12.5
V
Reset Level
11.0
-
13
V
Detection Level
Applied between
V
B
- V
S
10.0
-
12.5
V
Reset Level
10.5
-
13.0
V
Fault-out Pulse Width
C
FOD
= 33nF (Note 5)
Logic‘1’ input voltage
1.4
1.8
2.0
ms
ON Threshold Voltage
Applied between
IN
(H)
, IN
(L)
- COM
3.0
-
-
V
OFF Threshold Voltage
Logic‘0’ input voltage
-
-
0.8
V
Input Bias Current
IN
(H)
= 5V
IN
(L)
= 5V
@ T
C
= 25°C (Note Fig. 10)
@ T
C
= 80°C (Note Fig. 10)
Applied between
IN
(H)
, IN
(L)
- COM
0.9
-
2.2
mA
0.9
-
2.4
mA
Resistance of Thermistor
-
50
-
k
k
-
5.76
-
Symbol
Parameter
Conditions
Value
Typ.
Units
Min.
Max.
V
PN
V
CC
V
BS
f
PWM
V
IN(ON)
V
IN(OFF)
Supply Voltage
Applied between P - N
A
, N
B1
, N
B2
Applied between V
CC(H)
, V
CC(L)
- COM
Applied between V
B
- V
S
T
C
≤
100°C, T
J
≤
125°C
Applied between IN
(H)
, IN
(L)
- COM
Applied between IN
(H)
, IN
(L)
- COM
-
300
450
V
Control Supply Voltage
13.5
15
16.5
V
High-side Bias Voltage
13.5
15
18.5
V
PWM Input Signal
-
3
-
kHz
Input ON Voltage
4 ~ 5.5
V
Input OFF Voltage
0 ~ 0.65
V