SOT-89 Step-Up PFM Switcher with Auto-Load Sense
Typical Performance Characteristics
General conditions for all curves
RIPPLE VOLTAGE vs. OUTPUT CURRENT
ILC6391CP-30
400
L = 22µF (CD105)
R
B
= 300
300
p-p
)
RIPPLE VOLTAGE vs. OUTPUT CURRENT
ILC6391CP-50
600
500
V
IN
= 2.0V
p-p
)
C
B
= 0.1µF
V
IN
= 1.8V
V
IN
= 3.0V
400
300
V
IN
= 1.5V
200
L = 22µH (CD105)
100
0
R
B
= 300
C
B
= 0.1µF
RIPPLE Vr (mV
200
V
IN
= 1.5V
100
V
IN
= 1.2V
0
0
200
400
600
800
RIPPLE Vr (mV
0
200
400
600
800
OUTPUT CURRENT I
OUT
(mA)
OUTPUT CURRENT I
OUT
(mA)
Impala Linear Corporation
ILC6390 1.1
(408) 574-3939
www.impalalinear.com
Feb 2001
9