Global Mixed-mode Technology Inc.
Typical Performance Characteristics
(V
CC
= +3.6V, V
SHDN
= +3.6V, L=10µH, T
A
=25°C, unless otherwise noted)
G5115/G5117/G5119
Efficiency vs. Output Current
90
85
V
IN
=4.2V
90
85
Efficiency vs. Input Current
I
O
=20mA
V
IN
=2.7V
75
70
65
60
0
5
10
15
Load Current (mA)
V
IN
-3.6V
Efficiency (%)
Efficiency (%)
80
80
75
70
65
60
4LEDs, C
O
=1µF
4LEDs, C
O
=1µF
20
25
1.5
2
2.5
3 3.5 4 4.5
Input Voltage (V)
5
5.5
6
SW RDS_on vs. Input Voltage
1.5
1.25
SW RDS_on (
Ω
)
SW RDS_on (
Ω
)
1
0.75
0.5
0.25
0
1.5
2
2.5
3 3.5 4 4.5 5
Input Voltage (V)
5.5
6
6.5
1.5
1.25
1
0.75
0.5
0.25
0
SW RDS_on vs. Temperature
-40
-20
0
20
40
60
Temperature (°C)
80
100
Current Limit vs. Input Voltage
300
250
Current Limit (mA)
200
150
100
50
0
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
Input Voltage (V)
0
Current Limit (mA)
300
400
Current Limit vs. Temperature
200
100
-40
-20
0
20
40
60
80
100
Temperature (°C)
Ver: 1.1
Sep 20, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
3
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
