LTC3525D-3.3 LINER [Linear Technology], LTC3525D-3.3 Datasheet - Page 3

• Manufacturer Part Number: LTC3525D-3.3
• Description: 400mA Micropower Synchronous Step-Up DC/DC Converter with Pass Through Mode
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFOR A CE CHARACTERISTICS
100
300
250
200
150
100
90
80
70
60
50
40
30
20
40
35
30
25
20
15
10
50
0.01
5
0
0
Effi ciency and Power Loss vs
Load
0.5
0.1
Light Load Burst Frequency
vs Load
Maximum Output Current vs V
(for V
1.0
0.1
EFFICIENCY
OUT
1.5
to Drop 2.5%)
2.0
LOAD (mA)
1
C
LOAD (mA)
OUT
V
IN
2.5
= 10µF
1
(V)
POWER LOSS
10
3.0
C
3.5
V
V
V
100
OUT
W
IN
IN
IN
= 3V
= 2.4V
= 1.2V
= 22µF
3525 G04
4.0
IN
3525 G12
3525 G01
1000
U
4.5
100
10
1
0.1
0.01
10
–0.1
–0.2
–0.3
–0.4
–0.5
–1.0
–1.5
–2.0
–2.5
250
200
150
100
0.4
0.3
0.2
0.1
2.5
2.0
1.5
1.0
0.5
50
0
0
–40–30–20–10 0
0
V
(Normalized to 25°C)
0.5
Maximum Startup Load vs V
(Resistive Load)
0
Load Regulation
OUT
V
IN
10
= 1.2V
Variation vs Temperature
1.0
20
TEMPERATURE (°C)
C
30
10
OUT
1.5
LOAD (mA)
V
20
= 10µF
IN
40
(V)
30
2.0
C
40 50
OUT
50
= 22µF
60
60
2.5
IN
T
70
70
A
3525 G13
3525 G02
3525 G06
80
= 25°C unless otherwise noted.
3.0
80
–0.5
–1.0
–1.5
–2.0
–2.5
2.5
2.0
1.5
1.0
0.5
120
100
80
60
40
20
50
45
40
35
30
25
20
15
10
0
0
5
0
1.0
0
1.0
Load Regulation
Start-Up Delay Coming Out of
Shutdown
No-Load Input Current vs V
V
IN
20
LTC3525D-3.3
= 2.4V
1.5
1.5
40
2.0
2.0
60
C
LOAD (mA)
OUT
2.5
2.5
80
V
V
IN
IN
= 10µF
100
(V)
(V)
3.0
3.0
C
OUT
120
3.5
= 22µF
3.5
140 160
IN
4.0
4.0
3525d33f
3525 G07
3525 G14
3525 G03
3
180
4.5
4.5