LTC3528 LINER [Linear Technology], LTC3528 Datasheet - Page 4
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LTC3528
Manufacturer Part Number
LTC3528
Description
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC3528.pdf
(16 pages)
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LTC3528/LTC3528B
TYPICAL PERFORMANCE CHARACTERISTICS
4
100
70
60
40
30
90
80
50
0.01
800
700
600
500
400
300
200
100
Effi ciency vs Load Current and V
for V
10
40
30
20
0
0
EFFICIENCY
1
1
Maximum Output Current vs V
Burst Mode Threshold Current
vs V
V
OUT
OUT
0.1
1.5
IN
= 1.8V
1.1
= 3.3V (LTC3528)
LOAD CURRENT (mA)
2
1
1.2
2.5
FALLING
RISING
V
V
IN
IN
10
POWER
LOSS
(V)
(V)
3
1.3
V
V
V
V
100
3.5
IN
IN
IN
IN
V
V
V
OUT
OUT
OUT
= 1.2V
= 1.8V
= 2.4V
= 3V
1.4
3528 G02
= 1.8V
= 3.3V
= 5V
4
IN
1000
IN
3528 G05
3528 G08
1000
100
10
1
0.1
0.01
4.5
1.5
100
10000
90
80
70
60
50
40
30
1000
0.01
100
10
50
40
30
20
10
Effi ciency vs Load Current and V
for V
0
0.7
1
Minimum Load Resistance During
Start-Up vs V
Burst Mode Threshold Current
vs V
V
EFFICIENCY
OUT
OUT
0.1
IN
= 3V
= 5V (LTC3528)
LOAD CURRENT (mA)
0.8
1.5
1
IN
RISING
V
V
IN
IN
10
(V)
(V)
POWER
LOSS
0.9
2
V
V
V
V
100
IN
IN
IN
IN
FALLING
= 1.2V
= 2.4V
= 3.6V
= 4.2V
3528 G03
IN
(T
1000
3528 G06
3528 G09
A
1000
10
1
0.1
100
2.5
= 25°C unless otherwise noted)
1
130
120
110
100
130
110
70
20
90
70
50
30
10
90
80
60
50
60
40
0
1
1
No-Load Input Current vs V
(LTC3528)
1
Start-Up Delay Time vs V
Burst Mode Threshold Current
vs V
V
OUT
1.5
IN
= 3.3V
1.5
2
2
2.5
V
V
V
IN
IN
IN
3
2
(V)
(V)
(V)
FALLING
RISING
3
3.5
2.5
V
V
V
V
IN
4
OUT
OUT
OUT
OUT
IN
4
= 1.8V
= 3V
= 3.3V
= 5V
3528 G07
3528 G10
3528 G04
3528fa
4.5
5
3