参数资料
型号: LTC3543EDCB
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 1.3 A SWITCHING REGULATOR, 2250 kHz SWITCHING FREQ-MAX, PDSO6
封装: 2 X 3 MM, 0.75 MM HEIGHT, PLASTIC, MO-229, DFN-6
文件页数: 10/16页
文件大小: 295K
代理商: LTC3543EDCB
LTC3543
3
3543f
INPUT VOLTAGE (V)
2.5
40
EFFICIENCY
(%)
50
60
70
80
100
3.0
3.5
4.0
4.5
3543 G01
5.0
5.5
90
IOUT = 200mA
IOUT = 10mA
VOUT = 1.8V
IOUT = 600mA
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3543 G02
0
1
VIN = 3.6V
VOUT = 1.2V
VIN = 4.2V
VIN = 2.7V
Burst Mode
ENABLED
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3543 G03
0
1
VIN = 3.6V
VOUT = 1.5V
VIN = 4.2V
VIN = 2.7V
Burst Mode
ENABLED
LOAD CURRENT (mA)
100
POWER
LOSS
(mW)
200
300
400
500
0.1
10
100
1000
3543 G04
0
1
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 2.5V
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3543 G05
0
1
VIN = 3.6V
VOUT = 1.8V
VIN = 4.2V
VIN = 2.7V
Burst Mode
ENABLED
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3543 G06
0
1
VIN = 3.6V
VOUT = 2.5V
VIN = 4.2V
VIN = 2.7V
Burst Mode
ENABLED
INPUT VOLTAGE (V)
2.5
0
R
DS(ON)
(m
)
100
200
300
3.0
3.5
4.0
4.5
3543 G07
5.0
400
500
50
150
250
350
450
5.5
SYNCHRONOUS SWITCH
MAIN SWITCH
TEMPERATURE (
°C)
200
R
DS(ON)
(m
)
300
400
500
450
350
250
–10
20
50
80
3543 G08
125
110
–25
–40
5
35
65
95
VIN = 3.6V
VIN = 2.7V
VIN = 4.2V
TEMPERATURE (
°C)
200
R
DS(ON)
(m
)
300
400
500
450
350
250
–10
20
50
80
3543 G09
125
110
–25
–40
5
35
65
95
VIN = 3.6V
VIN = 2.7V
VIN = 4.2V
Efciency vs Input Voltage (VIN)
Efciency vs Load Current
Power Loss vs Load Current
Efciency vs Load Current
RDS(ON) vs Input Voltage (VIN)
Main Switch Resistance vs
Temperature
Synchronous Switch Resistance
vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TA = 25°C unless otherwise noted. (From Figure 1a)
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