LTC3388-3 Linear Technology, LTC3388-3 Datasheet - Page 7

• Manufacturer Part Number: LTC3388-3
• Description: 20V High Efficiency Nanopower Step-Down Regulator
• Manufacturer: Linear Technology

DataSheet.in
TYPICAL PERFORMANCE CHARACTERISTICS
100
100
100
90
80
70
60
50
40
30
20
10
95
90
85
80
75
70
90
80
70
60
50
40
30
0
1μ
2
2
Efficiency vs I
(LTC3388-1)
Efficiency vs V
L = 22μH (LTC3388-1)
Efficiency vs V
L = 22μH (LTC3388-1)
V
IN
4
= 3.0V
4
10μ
I
I
I
I
I
LOAD
LOAD
LOAD
LOAD
LOAD
6
6
LOAD CURRENT (A)
= 50mA
= 100μA
= 50μA
= 30μA
= 10μA
8
8
100μ
LOAD
10
V
10
IN
IN
V
IN
IN
for I
for V
(V)
(V)
12
12
, L = 22μH
1m
LOAD
14
OUT
14
V
V
V
V
V
V
V
V
16
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 1.8V,
16
= 50mA,
10m
= 2.5V
= 1.8V
= 1.5V
= 1.2V
= 2.5V
= 1.8V
= 1.5V
= 1.2V
338813 G22
338813 G24
18
338813 G26
18
20
20
100
100
100
90
80
70
60
50
40
30
20
10
95
90
85
80
75
70
90
80
70
60
50
40
30
0
1μ
2
2
Efficiency vs I
(LTC3388-1)
Efficiency vs V
L = 100μH (LTC3388-1)
Efficiency vs V
L = 100μH (LTC3388-1)
V
IN
4
4
= 3.0V
LTC3388-1/LTC3388-3
10μ
I
I
I
I
I
LOAD
LOAD
LOAD
LOAD
LOAD
6
6
LOAD CURRENT (A)
= 50mA
= 100μA
= 50μA
= 30μA
= 10μA
8
8
100μ
LOAD
10
10
IN
IN
V
V
IN
IN
for I
for V
(V)
(V)
12
12
, L = 100μH
1m
LOAD
OUT
14
14
V
V
V
V
V
V
V
V
16
= 1.8V,
16
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 50mA,
10m
= 2.5V
= 1.8V
= 1.5V
= 1.2V
= 2.5V
= 1.8V
= 1.5V
= 1.2V
338813 G25
338813 G23
338813 G27
18
18
20
20
338813f
7