Global Mixed-mode Technology Inc.
Typical Performance Characteristics
(continued)
G1084-18 Overcurrent
Protection Characteristics
G1084-XX
G1084-18 Start-up
G1084 Max. Power Dissipation
vs. PCB Top Copper Area
4.5
4
Max. Dissipation Power (W)
Max. Dissipation Power (W)
G1084 Max. Power Dissipation vs. T
AMB
4.5
4
3.5
3
A=2.0
Unit : in
2
A=0.5
A=1.0
A=1.5
3.5
3
2.5
2
1.5
1
0.5
0
0.5
1.5
2.5
3.5
PCB Top Copper Area (in
2
)
4.5
2.5
2
1.5
1
0.5
0
25
35
45
55
65
75
85
T
AMB
(
°
C)
A=2.5
A=3.0
A=3.5
A=4.0
A=4.5
A=5.0
G1084-18 Quiescent Current vs. Temperature
3.0
I
L
=10mA
Quiescent Current (mA)
G1084-18 Dropout Voltage vs. I
L
2.0
1.8
Dropout Voltage (V)
2.5
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1
1.5
2
T
A
=-25
°
C
T
A
=25
°
C
T
A
=85
°
C
2.0
1.5
V
IN
=4V
1.0
-25 -15 -5
5
15 25 35 45 55 65 75 85
Temperature (
°
C)
V
IN
=5V
2.5
3
3.5
I
L
(A)
4
4.5
5
Ver: 0.6 Preliminary
Apr 27, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
4