ltc3528-2 Linear Technology Corporation, ltc3528-2 Datasheet - Page 4

• Manufacturer Part Number: ltc3528-2
• Description: Ltc3528-2 - 1a, 2mhz Synchronous Step-up Dc/dc Converter In 2mm ? 3mm Dfn
• Manufacturer: Linear Technology Corporation

LTC3528-2
TYPICAL PERFORMANCE CHARACTERISTICS
4
100
90
80
70
60
50
40
30
0.01
800
700
600
500
400
300
200
100
80
40
20
60
Efficiency vs Load Current
and V
0
0
1
1
Maximum Output Current vs V
Burst Mode Threshold Current
vs V
EFFICIENCY
V
OUT
1.5
IN
0.1
IN
= 1.8V
1.1
for V
LOAD CURRENT (mA)
2
EXIT BURST
OUT
1
1.2
2.5
ENTER BURST
= 3.3V
V
V
IN
IN
10
(V)
(V)
POWER
LOSS
3
1.3
3.5
V
V
V
V
100
V
V
V
IN
IN
IN
IN
OUT
OUT
OUT
1.4
= 1.2V
= 1.8V
= 2.4V
= 3V
35282 G02
= 1.8V
= 3.3V
= 5V
4
35282 G08
35282 G05
IN
1000
4.5
1000
100
10
1
0.01
1.5
0.1
10000
1000
100
100
90
80
70
60
50
40
30
10
80
60
40
20
0.01
0
Efficiency vs Load Current
and V
0.7
1
Minimum Load Resistance During
Start-Up vs V
Burst Mode Threshold Current
vs V
V
OUT
EFFICIENCY
IN
IN
0.1
= 3V
for V
LOAD CURRENT (mA)
1.5
0.8
EXIT BURST
OUT
1
IN
V
V
ENTER BURST
IN
IN
= 5V
(V)
(V)
10
POWER
LOSS
0.9
2
V
V
V
V
100
IN
IN
IN
IN
= 1.2V
= 2.4V
= 3.6V
= 4.2V
35282 G03
35282 G09
35282 G06
(T
1000
A
2.5
1
= 25°C unless otherwise noted)
1000
100
10
1
0.1
130
120
110
100
70
40
20
90
80
60
50
80
60
130
110
0
90
70
50
30
10
1
1
Start-Up Delay Time vs V
Burst Mode Threshold Current
vs V
V
1
No-Load Input Current vs V
OUT
1.5
IN
= 3.3V
1.5
2
2
EXIT BURST
2.5
ENTER BURST
V
V
IN
IN
V
2
IN
(V)
(V)
3
(V)
3
3.5
2.5
IN
V
V
V
V
4
OUT
OUT
OUT
OUT
IN
4
35282 G07
35282 G10
= 1.8V
= 3V
= 3.3V
= 5V
35282 G04
35282f
4.5
3
5