Typical Electrical Characteristics
(T
A
= 25
O
C unless otherwise noted )
0.2
0.2
V
IN
= 5V
V
ON/OFF
= 1.5 - 8V
PW =300us, D
≤
2%
TJ = 125°C
0.15
V
DROP
,(V)
V
DROP
, (V)
TJ = 125°C
0.15
T = 25°C
J
0.1
T = 25°C
J
0.1
0.05
0.05
V
IN
= 2.5V
V
ON/OFF
= 1.5 - 8V
PW =300us, D
≤
2%
0
0
0
0.6
1.2
I
L
, (A)
1.8
2.4
3
0
0.6
1.2
I
L
, (A)
1.8
2.4
3
Figure 1. Conduction Voltage Drop
Variation with Load Current.
0.2
I L = 1A
V
ON/OFF
= 1.5 - 8V
PW =300us, D
≤
2%
Figure 2. Conduction Voltage Drop
Variation with Load Current.
0.16
R
(ON)
,(Ohm)
0.12
T = 125°C
J
0.08
0.04
25°C
0
1
2
3
V
IN
, (V)
4
5
Figure 3. On-Resistance Variation
with Input Voltage.
TRANSIENT THERMAL RESISTANCE
1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
0.00001
0.0001
0.001
0.01
0.1
t
1
, TIME (sec)
1
10
100
300
D = 0.5
r(t), NORMALIZED EFFECTIVE
0.2
0.1
0.05
0.02
0.01
Single Pulse
P(pk)
R
θ
JA
(t) = r(t) * R
θ
JA
R
θ
JA
= See Note 2
t
1
t
2
T
J
- T
A
= P * R
θ
JA(t)
Duty Cycle, D = t
1
/ t
2
Figure 4. Transient Thermal Response Curve.
Thermal characterization performed using the conditions described in Note 2.
Transient thermal response will change depending on the circuit board design.
FDC6329L Rev.C
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
