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LTC3404MPMS8 데이터시트(PDF) 4 Page - Linear Technology

부품명 LTC3404MPMS8
상세설명  1.4MHz High Efficiency Monolithic Synchronous Step-Down Regulator
PDF  16 Pages
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제조업체  LINER [Linear Technology]
홈페이지  http://www.linear.com
Logo LINER - Linear Technology

LTC3404MPMS8 데이터시트(HTML) 4 Page - Linear Technology

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4
LTC3404
3404fb
OUTPUT CURRENT (mA)
70
80
90
65
75
85
0.1
10
100
1000
3404 G04
60
1
VIN = 3V
VIN = 6V
VOUT = 1.8V
L = 4.7
μH
VIN = 4.2V
VIN = 3.6V
TYPICAL PERFOR A CE CHARACTERISTICS
Oscillator Frequency
vs Temperature
Efficiency vs Output Current
TEMPERATURE (
°C)
–50
0.814
0.809
0.804
0.799
0.794
0.789
0.784
25
75
3404 G05
–25
0
50
100
125
VIN = 3.6V
Oscillator Frequency
vs Supply Voltage
Reference Voltage
vs Temperature
Output Voltage vs Load Current
OUTPUT CURRENT (mA)
80
75
85
90
95
100
0.1
10
100
1000
3404 G4a
70
65
1
VIN = 6V
VIN = 3.6V
VOUT = 3.1V
L = 4.7
μH
VIN = 4.2V
Efficiency vs Output Current
TEMPERATURE (
°C)
–50
1.55
1.50
1.45
1.40
1.35
1.30
1.25
100
75
3404 G06
–25
0
50
25
125
VIN = 3.6V
SUPPLY VOLTAGE (V)
1.25
1.35
1.30
8
3404 G07
2
4
6
1.55
1.50
1.45
1.40
LOAD CURRENT (mA)
0
1.75
1.76
1.77
1.78
1.80
1.81
1.82
200
400
3404 G08
1.79
600
800
1.83
PULSE SKIPPING MODE
VIN = 3.6V
L = 4.7
μF
Efficiency vs Input Voltage
Efficiency vs Output Current
Efficiency vs Output Current
INPUT VOLTAGE (V)
2
75
80
5
7
3404 G01
70
60
85
65
34
6
90
95
8
Burst Mode OPERATION
VOUT = 2.5V
L = 4.7
μH
IOUT = 100mA
IOUT = 10mA
IOUT = 1mA
IOUT = 300mA
IOUT = 0.1mA
OUTPUT CURRENT (mA)
30
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3404 G02
0
1
VIN = 3.6V
VIN = 3.6V
VIN = 4.2V
VIN = 4.2V
PULSE SKIPPING MODE
Burst Mode OPERATION
VOUT = 1.8V
L = 4.7
μH
OUTPUT CURRENT (mA)
55
65
70
80
90
0.1
10
100
1000
3404 G03
1
75
60
50
85
L = 4.7
μH
L = 3.5
μH
Burst Mode OPERATION
VIN = 6V
VOUT = 2.5V



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