ltc3528b-2 Linear Technology Corporation, ltc3528b-2 Datasheet - Page 4

• Manufacturer Part Number: ltc3528b-2
• Description: 1a, 2mhz Synchronous Step-up Dc/dc Converter In 2mm ? 3mm Dfn
• Manufacturer: Linear Technology Corporation

LTC3528B-2
TYPICAL PERFORMANCE CHARACTERISTICS
4
800
700
600
500
400
300
200
100
0
1
Maximum Output Current vs V
1.5
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
2
0.1
0.1
Effi ciency vs Load Current and V
for V
Effi ciency vs Load Current and V
for V
EFFICIENCY
2.5
V
OUT
IN
OUT
EFFICIENCY
(V)
3
1
1
= 3.3V
= 1.8V
LOAD CURRENT (mA)
LOAD CURRENT (mA)
3.5
V
V
V
OUT
OUT
OUT
10
10
= 1.8V
= 3.3V
= 5V
4
35282 G05
IN
4.5
POWER
LOSS
POWER
LOSS
100
100
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
= 1V
= 1.2V
= 1.5V
= 1.8V
= 2.4V
= 3V
10000
35282 G01
35282 G02
1000
100
10
IN
IN
1000
1000
0.7
Minimum Load Resistance During
Start-Up vs V
1000
100
10
1
0.1
1000
100
10
1
0.8
IN
V
IN
(V)
0.9
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0.1
0.1
Effi ciency vs Load Current and V
for V
Effi ciency vs Load Current and V
for V
35282 G06
(T
EFFICIENCY
EFFICIENCY
A
OUT
OUT
= 25°C unless otherwise noted)
1
1
1
= 3V
= 5V
LOAD CURRENT (mA)
LOAD CURRENT (mA)
130
120
110
100
70
90
80
60
50
10
10
1
Start-Up Delay Time vs V
1.5
POWER
LOSS
100
100
POWER
LOSS
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
2
= 1V
= 1.5V
= 2.4V
= 2.4V
= 3.6V
= 4.2V
35282 G26
35282 G03
IN
2.5
IN
1000
1000
V
IN
1000
100
10
1
10000
1000
100
10
1
(V)
3
3.5
IN
4
35282 G07
3528b2f
4.5