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参数资料
| 型号： | LTC3526LEDC#TRM |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 1250 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 2 X 2 MM, 0.75 MM HEIGHT, PLASTIC, MO-229WCCD-2, DFN-6 |
| 文件页数： | 10/16页 |
| 文件大小： | 342K |
| 代理商： | LTC3526LEDC#TRM |
LTC3526L
3
3526lf
ELECTRICAL CHARACTERISTICS
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device reli-
ability and lifetime.
Note 2: The LTC3526LE is guaranteed to meet performance specications
from 0°C to 85°C. Specications over –40°C to 85°C operating tempera-
ture range are assured by design, characterization and correlation with
statistical process controls.
Note 3: Specication is guaranteed by design and not 100% tested in
production.
Note 4: Current measurements are made when the output is not switching.
Note 5: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the specied maximum operating junction
temperature may result in device degradation or failure.
Note 6: Failure to solder the exposed backside of the package to the PC
board ground plane will result in a thermal resistance much higher than
60°C/W.
Efciency vs Load Current and VIN
for VOUT = 1.8V
Efciency vs Load Current and VIN
for VOUT = 3.3V
Efciency vs Load Current and VIN
for VOUT = 5V
No-Load Input Current vs VIN
Maximum Output Current vs VIN
Minimum Load Resistance
During Start-Up vs VIN
TYPICAL PERFOR A CE CHARACTERISTICS
UW
LOAD CURRENT (mA)
0.01
40
EFFICIENCY
(%)
POWER
LOSS
(mW)
50
60
70
80
0.1
1
10
100
1000
!# $ /
30
20
10
0
90
100
1
10
100
0.1
0.01
1000
VIN = 1.0V
VIN = 1.2V
VIN = 1.5V
PLOSS AT VIN = 1.0V
PLOSS AT VIN = 1.2V
PLOSS AT VIN = 1.5V
LOAD CURRENT (mA)
0.01
40
EFFICIENCY
(%)
POWER
LOSS
(mW)
50
60
70
80
0.1
1
10
100
1000
!# $ /
30
20
10
0
90
100
1
10
100
0.1
0.01
1000
VIN = 1.2V
VIN = 1.8V
VIN = 2.4V
VIN = 3.0V
PLOSS AT VIN = 1.2V
PLOSS AT VIN = 1.8V
PLOSS AT VIN = 2.4V
PLOSS AT VIN = 3.0V
VIN (V)
0.5
I IN
(m
A)
60
70
80
4.5
!# $ /"
50
40
10
1.5
2.5
3.5
1.0
2.0
3.0
4.0
30
20
100
90
VOUT = 3.3V
VOUT = 5V
VOUT = 2.5V
VOUT = 1.8V
LOAD CURRENT (mA)
0.01
40
EFFICIENCY
(%)
POWER
LOSS
(mW)
50
60
70
80
0.1
1
10
100
1000
!# $ /!
30
20
10
0
90
100
1
10
100
0.1
0.01
1000
VIN = 1.2V
VIN = 2.4V
VIN = 3.6V
VIN = 4.2V
PLOSS AT VIN = 1.2V
PLOSS AT VIN = 2.4V
PLOSS AT VIN = 3.6V
PLOSS AT VIN = 4.2V
VIN (V)
0.5
I OUT
(mA) 200
300
4.5
!# $ /#
100
0
1.5
2.5
3.5
1.0
2.0
3.0
4.0
400
150
250
50
350
VOUT = 3.3V
VOUT = 5V
VOUT = 2.5V
VOUT = 1.8V
L = 4.7
H
VIN (V)
0.65
LOAD
(
)
100
1000
10000
1.05
0.95
0.75
1.15
0.85
3526 G06
10
VOUT = 3.3V
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