SI3861 Fairchild Semiconductor, SI3861 Datasheet - Page 3

• Manufacturer Part Number: SI3861
• Description: Integrated Load Switch
• Manufacturer: Fairchild Semiconductor

0.35
0.25
0.15
0.05
0.35
0.25
0.15
0.05
0.4
0.3
0.2
0.1
0.4
0.3
0.2
0.1
0
0
0.01
0
0
Figure 1. Conduction Voltage Drop
Figure 3. Conduction Voltage Drop
0.1
V
V
PW = 300us, D < 2%
V
V
PW = 300us, D < 2%
0.0001
IN
ON/OFF
1
IN
ON/OFF
= -1.8V
= -4.5V
Variation with Load Current.
Variation with Load Current.
= -1.5V -8V
= -1.5V -8V
1
1
D = 0.5
0.2
0.1
0.05
0.02
2
2
0.001
0.01
T
J
= 125
-I
-I
L
L
, (A)
, (A)
3
3
SINGLE PULSE
O
C
T
J
T
= 125
J
= 25
4
4
0.01
O
O
C
C
T
J
= 25
5
5
O
C
6
6
0.1
0.125
0.075
0.025
0.35
0.25
0.15
0.05
0.15
0.05
0.1
0.4
0.3
0.2
0.1
0
0
0
1
Figure 2. Conduction Voltage Drop
Figure 4. On-Resistance Variation
V
V
PW = 300us, D < 2%
IN
ON/OFF
1
= -2.5V
Variation with Load Current.
= -1.5V -8V
T
1
J
= 25
With Input Voltage
2
O
-V
C
IN
, INPUT VOLTAGE (V)
2
T
10
J
= 125
T
3
J
-I
= 125
L
O
, (A)
3
C
I
V
PW = 300us, D < 2%
O
L
ON/OFF
C
= -1A
P(pk)
Duty Cycle, D = t
T
R
= -1.5V -8V
R
J
θJA
4
4
- T
θJA
100
(t) = r(t) + R
t
A
1
= 156 °C/W
t
= P * R
2
T
Si3861DV Rev B(W)
J
= 25
5
O
θJA
C
5
1
θJA
(t)
/ t
2
1000
6