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LTC3528 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC3528
Description  1A, 1MHz Synchronous Step-Up DC/DC Converters in 3mm 횞 2mm DFN
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3528 Datasheet(HTML) 4 Page - Linear Technology

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LTC3528/LTC3528B
4
3528fa
LOAD CURRENT (mA)
0.01
80
90
100
100
3528 G03
70
60
0.1
1
10
1000
50
40
30
100
1000
10
1
0.1
VIN = 1.2V
VIN = 2.4V
VIN = 3.6V
VIN = 4.2V
EFFICIENCY
POWER
LOSS
No-Load Input Current vs VIN
(LTC3528)
Maximum Output Current vs VIN
Minimum Load Resistance During
Start-Up vs VIN
Start-Up Delay Time vs VIN
Burst Mode Threshold Current
vs VIN
Efficiency vs Load Current and VIN
for VOUT = 5V (LTC3528)
Efficiency vs Load Current and VIN
for VOUT = 3.3V (LTC3528)
LOAD CURRENT (mA)
0.01
80
90
100
100
3528 G02
70
60
0.1
1
10
1000
50
40
30
100
1000
10
1
0.1
0.01
VIN = 1.2V
VIN = 1.8V
VIN = 2.4V
VIN = 3V
EFFICIENCY
POWER
LOSS
VIN (V)
1
10
30
50
70
90
110
130
23
4
5
3528 G04
VOUT = 1.8V
VOUT = 3V
VOUT = 3.3V
VOUT = 5V
VIN (V)
1
700
2.5
3528 G05
400
200
1.5
2
3
100
0
800
600
500
300
3.5
4
4.5
VOUT = 1.8V
VOUT = 3.3V
VOUT = 5V
VIN (V)
0.7
10
1000
100
10000
0.8
0.9
1
3528 G06
VIN (V)
1
120
2.5
3528 G07
90
70
1.5
2
3
60
50
130
110
100
80
3.5
4
4.5
VIN (V)
1
20
30
1.4
3528 G08
10
0
1.1
1.2
1.3
RISING
FALLING
1.5
40
VOUT = 1.8V
VIN (V)
1
20
30
3528 G09
10
0
1.5
RISING
VOUT = 3V
FALLING
2
2.5
50
40
VIN (V)
1
0
20
40
RISING
FALLING
60
1.5
2
3528 G10
2.5
3
VOUT = 3.3V
TYPICAL PERFORMANCE CHARACTERISTICS (T
A = 25°C unless otherwise noted)
Burst Mode Threshold Current
vs VIN
Burst Mode Threshold Current
vs VIN



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