ltc3525esc6-5-trpbf Linear Technology Corporation, ltc3525esc6-5-trpbf Datasheet - Page 5

• Manufacturer Part Number: ltc3525esc6-5-trpbf
• Description: 400ma Micropower Synchronous Step-up Dc/dc Converter With Output Disconnect
• Manufacturer: Linear Technology Corporation

TYPICAL PERFOR A CE CHARACTERISTICS
–0.5
–1.0
–1.5
–2.0
–2.5
2.5
2.0
1.5
1.0
0.5
40
35
30
25
20
15
10
0
5
0
0.1
0
Light Load Burst Frequency
vs Load
LTC3525-5 Load Regulation
V
IN
= 2.4V
20
100mA/DIV
CURRENT
40
1V/DIV
INPUT
C
C
V
OUT
OUT
LOAD (mA)
LOAD (mA)
OUT
60
= 10µF
= 10µF
1
LTC3525-3.3 Input Current and
V
V
OUT
80
IN
C
= 1.2V
OUT
at Startup
100
C
= 22µF
OUT
W
120
= 22µF
3525 G09
3525 G12
500µs/DIV
U
140
10
–0.5
–1.0
–1.5
–2.0
–2.5
–0.1
–0.2
–0.3
–0.4
2.5
2.0
1.5
1.0
0.5
0.4
0.3
0.2
0.1
0
0
–40–30–20–10 0
LTC3525-5 Load Regulation
0
V
(Normalized to 25°C)
V
3525 G15
OUT
IN
= 3.6V
Variation vs Temperature
50
TEMPERATURE (°C)
C
OUT
10
LOAD (mA)
= 10µF
20
100
30
40 50
C
I
I
I
40mA
80mA
OUT
OUT
OUT
OUT
5mA
150
=
=
=
= 22µF
60
LTC3525-3.3/LTC3525-5
LTC3525-3.3 Output Voltage
Ripple
V
C
IN
OUT
70
T
3525 G10
= 1.2V
A
3525 G13
= 10µF
80
= 25°C unless otherwise noted.
200
50µs/DIV
1200
1100
1000
900
800
700
600
500
400
300
120
100
80
60
40
20
0
1.0
1.0
Switching Frequency vs V
Startup Delay Coming Out of
Shutdown
L = 10µH
1.5
1.5
2.0
2.0
LTC3525-3/
3525 G16
LTC3525-3.3
2.5
2.5
V
V
IN
IN
50mV/DIV
(V)
(V)
3.0
3.0
LTC3525-5
3.5
3.5
IN
4.0
4.0
3525 G11
3525 G14
3525fa
5
4.5
4.5