参数资料
型号: LTC3528EDDB#TRM
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, 1300 kHz SWITCHING FREQ-MAX, PDSO8
封装: 3 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WECD-1, DFN-8
文件页数: 11/16页
文件大小: 316K
代理商: LTC3528EDDB#TRM
LTC3528/LTC3528B
4
3528f
LOAD CURRENT (mA)
0.01
80
90
100
3528 G03
70
60
0.1
1
10
1000
50
40
30
100
1000
10
1
0.1
EFFICIENCY
(%)
POWER
LOSS
(mW)
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
Efciency vs Load Current and VIN
for VOUT = 5V (LTC3528)
Efciency vs Load Current and VIN
for VOUT = 3.3V (LTC3528)
LOAD CURRENT (mA)
0.01
80
90
100
3528 G02
70
60
0.1
1
10
1000
50
40
30
100
1000
10
1
0.1
0.01
EFFICIENCY
(%)
POWER
LOSS
(mW)
VIN = 1.2V
VIN = 1.8V
VIN = 2.4V
VIN = 3V
EFFICIENCY
POWER
LOSS
VIN (V)
1
10
I IN
A)
30
50
70
90
110
130
23
4
5
3528 G04
VOUT = 1.8V
VOUT = 3V
VOUT = 3.3V
VOUT = 5V
VIN (V)
1
I OUT
(mA)
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
R
LOAD
)
1000
100
10000
0.8
0.9
1
3528 G06
VIN (V)
1
DELAY
s)
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
I OUT
(mA)
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
I OUT
(mA)
20
30
3528 G09
10
0
1.5
RISING
VOUT = 3V
FALLING
2
2.5
50
40
VIN (V)
1
0
I OUT
(mA)
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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