G954_07 Datasheet, PDF (5/8 Pages) Global Mixed-mode Technology Inc – 2A Low Dropout Regulator

Global Mixed-mode Technology Inc.
Typical Performance Characteristics (continued)
G954
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0.5
Max. Power Dissipation
vs. PCB Top Copper Area
1.5
2.5
3.5
4.5
PCB Top Copper Area (in²)
Max. Power Dissipation vs. T_AMB
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
25 35 45 55 65 75 85
T_AMB (°C)
Unit : In²
A=0.5
A=1.0
A=1.5
A=2.0
A=2.5
A=3.0
A=3.5
A=4.0
A=4.5
A=5.0
G954-18 Quiescent Current vs. Temperature
3.0
I_L=10mA
2.5
2.0
1.5
V_IN=4V
V_IN=5V
1.0
-25 -15 -5
5 15 25 35 45 55 65 75 85
Temperature (°C)
G954-18 Output Voltage vs. Temperature
1.825
1.820
I_L=10mA
1.815
1.810
1.805
I_L=4A
I_L=5A
1.800
5
15 25 35 45 55 65 75 85
Temperature (°C)
G954-18 Dropout Voltage vs. I_L
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1
T_A=-25°C
T_A=85°C
T_A=25°C
1.2
1.4
1.6
1.8
2
I_L (A)
1.824
G954-18 Output Voltage vs. I_L
1.814
1.804
1.794
1.784
V_IN=4V
V_IN=5V
1.774
T_A=25°C
1.764
0
0.5
1
1.5
2
I_L (A)
Ver: 0.9
Apr 24, 2007
TEL: [phone]
http://www.gmt.com.tw
5