SOT-89 Step-Up PFM Switcher with Auto-Load Sense
Typical Performance Characteristics
General conditions for all curves
OUTPUT VOLTAGE vs. OUTPUT CURRENT
ILC6390CP-30
4.0
3.5
3.0
V
IN
= 2.0V
2.5
V
IN
= 1.2V
2.0
V
IN
= 0.9V
1.5
1.0
0.5
0
20
40
60
80
100
V
IN
= 1.5V
V
IN
= 1.8V
L = 100µH
C = 10µF(Tantalum)
7.
OUTPUT VOLTAGE vs. OUTPUT CURRENT
ILC6390CP-50
L = 100µH
C = 10µF(Tantalum)
OUTPUT VOLTAGE V
OUT
(V)
OUTPUT VOLTAGE V
OUT
(V)
6.0
5.0
V
IN
= 3.0V
4.0
3.0
V
IN
= 1.5V
2.0
V
IN
= 0.9V
1.0
0
0
20
40
60
80
100
V
IN
= 1.2V
V
IN
= 2.0V
OUTPUT CURRENT I
OUT
(mA)
OUTPUT CURRENT I
OUT
(mA)
EFFICIENCY vs. OUTPUT CURRENT
ILC6390CP-30
100
L = 100µH
C = 10µF(Tantalum)
100
EFFICIENCY vs. OUTPUT CURRENT
ILC6390CP-50
EFFICIENCY: EFFI (%)
EFFICIENCY: EFFI (%)
80
80
V
IN
= 3.0V
60
V
IN
= 0.9V
40
V
IN
= 1.2V
V
IN
= 1.5V
V
IN
= 2.0V
60
V
IN
= 0.9V
40
V
IN
= 1.2V
V
IN
= 1.5V
V
IN
= 1.8V
V
IN
= 2.0V
20
20
L = 100µH
C = 10µF(Tantalum)
0
0
20
40
60
80
100
0
0
20
40
60
80
100
OUTPUT CURRENT I
OUT
(mA)
OUTPUT CURRENT I
OUT
(mA)
RIPPLE VOLTAGE vs. OUTPUT CURRENT
ILC6390CP-30
100
L = 100µH
C = 10µF(Tantalum)
80
p-p
)
p-p
)
RIPPLE VOLTAGE vs. OUTPUT CURRENT
ILC6390CP-50
100
L = 100µH
C = 10µF(Tantalum)
V
IN
= 3.0V
60
V
IN
= 2.0V
40
V
IN
= 1.5V
80
RIPPLE Vr (mV
60
V
IN
= 1.5V
40
20
V
IN
= 1.2V
V
IN
= 0.9V
RIPPLE Vr (mV
20
0
0
20
40
60
80
100
0
0
20
40
60
80
100
OUTPUT CURRENT I
OUT
(mA)
OUTPUT CURRENT I
OUT
(mA)
EFFICIENCY vs. OUTPUT CURRENT
ILC6391CP-30
100
100
EFFICIENCY vs. OUTPUT CURRENT
ILC6391CP-50
EFFICIENCY: EFFI (%)
EFFICIENCY: EFFI (%)
80
V
IN
= 1.8V
60
V
IN
= 1.0V
40
L = 22µH (CD105)
20
R
B
= 300
C
B
= 0
0
0
100
200
300
400
500
V
IN
= 1.2V
V
IN
= 1.5V
80
V
IN
= 3.0V
60
V
IN
= 1.2V
40
L = 22µH (CD54)
20
R
B
= 300
C
B
= 0
0
0
100
200
300
400
500
V
IN
= 1.5V
V
IN
= 2.0V
OUTPUT CURRENT I
OUT
(mA)
OUTPUT CURRENT I
OUT
(mA)
Impala Linear Corporation
ILC6390 1.1
(408) 574-3939
www.impalalinear.com
Feb 2001
7
IMPALA [ Impala Linear Corporation ]
