Datasheet

FDC6331L Rev D
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0123456
I
L,
(A)
V
DROP
, (V)
T
J
= 25
O
C
T
J
= 125
O
C
V
IN
= 1.8V
V
ON/OFF
= 1.5V -8V
PW = 300us, D < 2%
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0123456
I
L,
(A)
V
DROP
, (V)
T
J
= 25
O
C
T
J
= 125
O
C
V
IN
= 2.5V
V
ON/OFF
= 1.5V -8V
PW = 300us, D < 2%
Figure 1. Conduction Voltage Drop
Variation with Load Current.
Figure 2. Conduction Voltage Drop
Variation with Load Current.
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0123456
I
L,
(A)
V
DROP
, (V)
V
IN
= 4.5V
V
ON/OFF
= 1.5V -8V
PW = 300us, D < 2%
T
J
= 125
O
C
T
J
= 25
O
C
0
0.025
0.05
0.075
0.1
0.125
0.15
123 45
-V
GS
, GATE TO SOURCE VOLTAGE (V)
RDS(ON) , ON-RESISTANCE ( )
T
J
= 25
O
C
T
J
= 125
O
C
I
L
= 1A
V
ON/OFF
= 1.5V -8V
PW = 300us, D
< 2%
Figure 3. Conduction Voltage Drop
Variation with Load Current.
Figure 4. On-Resistance Variation
With Input Voltage
0.01
0.1
1
0.0001 0.001 0.01 0.1 1 10 100 1000
r(t), NORMALIZED EFFECTIVE
TRANSIENT THERMAL RESISTANCE
R
T
JA
(t) = r(t) + R
T
JA
R
T
JA
= 156 °C/W
T
J
- T
A
= P * R
TJA
(t)
Duty Cycle, D = t
1/ t2
P(pk)
t1
t2
SINGLE PULSE
0.01
0.02
0.05
0.1
0.2
D = 0.5
FDC6331L
Q2
Figure 5. Transient Thermal Response Curve.
Thermal characterization performed on the conditions described in Note 2.
Transient thermal response will change depends on the circuit board design.