1 Amp SOT-89 Step Down PWM Switcher Controller
Electrical Characteristics ILC6375CP-33
L = 100kHz C
L
= 47µF3.3V F
OSC
T
A
= 25 C, unless otherwise specified, V
IN
= 4V, I
OUT
= 55mA, See test circuit, figure 1.
o
Output Voltage vs Output Curre nt
ILC6375CP-50
5 .2
Output Voltage vs Output C urrent
8.0V 10.0V
V
IN
= 7.0V
OUTPUT VOLTAGE V
OU T
(V)
5.2
IL C6375CP-50
5.1V
5 .0
OUTPUT VOLTA GE V
O UT
(V)
5.0
4 .8
V
I N
=5.0V
4.8
4 .6
4.6
V
I N
=5.0V
4.4
4.4
4. 2
4.2
4.0
0
1
10
100
1000
4.0
0
1
10
100
1000
OUTPUT CUR RENT I
O UT
(mA)
OUTPUT CURRENT I
O UT
(mA)
Efficiency vs Output C urrent
100
Output Ripple Voltage vs Output Current
IL C6375CP-50
100
ILC6375CP-50
Vin =7.0V
80
80
60
Vin= 5.5V
Vin = 10.0V
RIPPLE (mVP-P)
60
EFFICIEN CY ( % )
Vin =8.0V
40
40
Vin =7.0V
Vin=5.5V
20
20
0
0
1
10
100
1000
0
0
1
10
100
1000
OUTPUT CUR RENT I
O UT
(mA)
OUTPUT CURR ENT I
O UT
(mA)
Ef ficie ncy vs Output Curr ent
ILC6375CP-33
100
Output R ipple Volta ge vs Output C ur rent
ILC6375CP-33
100
Vin =5.0V Vin =4V
80
80
60
RIP PLE (mVP-P)
60
EFFICIENCY ( % )
Vin = 7.0V
40
Vin=7.0V
40
Vin=5.0V
Vin=4V
20
20
0
0
1
10
10 0
1000
0
0
1
10
100
1000
OU TPU T CURRENT I
OUT
(mA)
OU TPU T CURRENT I
OUT
(mA)
Impala Linear Corporation
ILC6375 1.1
(408) 574-3939
www.impalalinear.com
June 1999
4
IMPALA [ Impala Linear Corporation ]
