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LTC3543EDCB датащи(PDF) 3 Page - Linear Technology

номер детали LTC3543EDCB
подробное описание детали  600mA Synchronous Step Down Buck Regulator with PLL, Soft-Start and Spread Spectrum
PDF  16 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LTC3543EDCB датащи(HTML) 3 Page - Linear Technology

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LTC3543
3
3543f
INPUT VOLTAGE (V)
2.5
40
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
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
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
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
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
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
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
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
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
Efficiency vs Input Voltage (VIN)
Efficiency vs Load Current
Efficiency vs Load Current
Power Loss vs Load Current
Efficiency vs Load Current
Efficiency vs Load Current
RDS(ON) vs Input Voltage (VIN)
Main Switch Resistance vs
Temperature
Synchronous Switch Resistance
vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS T
A = 25°C unless otherwise noted. (From Figure 1a)



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