SI3948 Fairchild Semiconductor, SI3948 Datasheet - Page 4

• Manufacturer Part Number: SI3948
• Description: Dual N-Channel Logic Level PowerTrench MOSFET
• Manufacturer: Fairchild Semiconductor

Typical Electrical Characteristics
0.03
0.01
0.3
0.1
Figure 7. Gate Charge Characteristics.
30
10
Figure 9. Maximum Safe Operating Area.
10
3
1
8
6
4
2
0
0.1
0
I = 2.5A
D
R
0.05
0.02
0.01
0.5
0.2
0.1
SINGLE PULSE
0.0001
JA
1
V
=180°C/W
T = 25°C
0.3
GS
A
D = 0.5
= 10V
V
0.2
1
DS
0.1
0.05
0.02
0.01
Single Pulse
, DRAIN-SOURCE VOLTAGE (V)
Q , GATE CHARGE (nC)
g
1
0.001
Figure 11. Transient Thermal Response Curve.
2
3
V
DS
= 5V
Transient thermal response will change depending on the circuit board design.
Thermal characterization performed using the conditions described in Note 1c.
10
3
10V
0.01
(continued)
15V
30
4
50
t , TIME (sec)
0.1
1
500
200
100
50
20
10
5
4
3
2
1
0
0.01
0.1
Figure 10. Single Pulse Maximum Power
Figure 8. Capacitance Characteristics .
f = 1 MHz
V
GS
1
Dissipation.
= 0V
0.1
V
DS
0.5
, DRAIN TO SOURCE VOLTAGE (V)
SINGLE PULSE TIME (SEC)
1
10
P(pk)
1
R
T - T
Duty Cycle, D = t / t
J
R
JA
2
JA
t
(t) = r(t) * R
1
A
= P * R
t
= 180 °C/W
2
R
10
SINGLE PULSE
5
JA
JA
1
T = 25°C
=180°C/W
100
A
(t)
JA
2
10
SI3948DV Rev.A
C oss
C rss
C iss
100
300
300
30