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