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LTC3407AEMSE-2 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC3407AEMSE-2
Description  Dual Synchronous 800mA,2.25MHz Step-Down DC/DC Regulator
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3407AEMSE-2 Datasheet(HTML) 5 Page - Linear Technology

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LTC3407A-2
5
3407a2f
Efficiency vs Load Current
LOAD CURRENT (mA)
1
0
30
20
10
70
60
50
40
100
90
80
10
100
1000
3407A2 G14
2.7V
4.2V
3.3V
VOUT = 1.5V Burst Mode OPERATION
Line Regulation
VIN (V)
2
0.5
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
4
6
3407A2 G15
35
VOUT = 1.8V
IOUT = 200mA
TYPICAL PERFOR A CE CHARACTERISTICS
Efficiency vs Load Current
LOAD CURRENT (mA)
1
0
30
20
10
70
60
50
40
100
90
80
10
100
1000
3407A2 G13
2.7V
4.2V
VOUT = 1.2V Burst Mode OPERATION
3.3V
Efficiency vs Load Current
Efficiency vs Load Current
Load Regulation
Reference Voltage vs
Temperature
RDS(ON) vs Input Voltage
RDS(ON) vs Temperature
0.615
0.610
0.605
0.600
0.595
0.590
0.585
TEMPERATURE (
°C)
–50
25
75
3407A2 G07
–25
0
50
100
125
VIN = 3.6V
VIN (V)
1
500
450
400
350
300
250
200
46
3407A2 G08
2
3
57
MAIN
SWITCH
SYNCHRONOUS
SWITCH
TEMPERATURE (
°C)
–50
550
500
450
400
350
300
250
200
150
100
25
75
3407A2 G09
–25
0
50
100
150
125
MAIN SWITCH
SYNCHRONOUS SWITCH
VIN = 3.6V
VIN = 4.2V
VIN = 2.7V
LOAD CURRENT (mA)
1
0
30
20
10
70
60
50
40
100
90
80
10
100
1000
3407A2 G10
2.7V
VOUT = 2.5V Burst Mode OPERATION
CIRCUIT OF FIGURE 3
3.3V
4.2V
LOAD CURRENT (mA)
1
0
30
20
10
70
60
50
40
100
90
80
10
100
1000
3407A2 G11
Burst Mode OPERATION
PULSE SKIP MODE
VIN = 3.6V, VOUT = 1.8V
NO LOAD ON OTHER CHANNEL
LOAD CURRENT (mA)
1
–4
–3
1
0
–1
–2
4
3
2
10
100
1000
3407A2 G12
Burst Mode OPERATION
PULSE SKIP MODE
VIN = 3.6V, VOUT = 1.8V
NO LOAD ON OTHER CHANNEL
TA = 25°C unless otherwise specified.


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