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參數(shù)資料
| 型號： | LTC3549EDCB#TR |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.6 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 2 X 3 MM, 0.75 MM HEIGHT, PLASTIC, MO-229, DFN-6 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 352K |
| 代理商： | LTC3549EDCB#TR |
LTC3549
4
3549f
INPUT VOLTAGE (V)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
3549 G03
0
1.5
2.5
3.5
4.5
5.5
0.1mA
1mA
IOUT:
10mA
100mA
300mA
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3549 G04a
0
1
0.1
0.01
0.001
0.0001
1
POWER
LOSS
(W)
VIN = 2.5V
VIN = 3.6V
VIN = 4.2V
VIN = 3.6V
EFFICIENCY
POWER LOSS
L = 4.7
H
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3549 G04b
0
1
VIN = 2.5V
VIN = 3.6V
VIN = 4.2V
EFFICIENCY
L = 4.7
H
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3549 G05a
0
1
VIN = 1.6V
VIN = 2.5V
VIN = 3.1V
TEMPERATURE (C)
–50
0.6069
REFERENCE
VOLTAGE
(V)
0.6090
0.6111
0.6132
–25
0
25
50
3549 G06
75
100
125
VIN = 1.6V
VIN = 2.2V
VIN = 4.2V
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3549 G05b
0
1
VIN = 1.6V
VIN = 2.5V
VIN = 3.1V
INPUT VOLTAGE (V)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
3549 G02
0
1.5
2.5
3.5
4.5
5.5
0.1mA
1mA
10mA
100mA
300mA
IOUT:
Efciency/Power Loss vs Load
Current, VOUT = 1.5V, Burst Mode
Efciency/Power Loss vs Load
Current, VOUT = 1.5V, Pulse Skip
Efciency vs Input Voltage
VOUT = 1.2V, Burst Mode Operation
Efciency vs Input Voltage
VOUT = 1.2V, Pulse Skip
Efciency vs Load Current
VOUT = 1.8V, Burst Mode
Efciency vs Load Current
VOUT = 1.8V, Pulse Skip
TYPICAL PERFOR A CE CHARACTERISTICS
UW
(From Typical Application on the front page, except for the resistive divider resistor values)
Efciency vs Load Current
VOUT = 1.2V, Burst Mode
Efciency vs Load Current
VOUT = 1.2V, Pulse Skip
Reference Voltage
vs Temperature
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3549 G01a
0
1
0.1
0.01
0.001
0.0001
1
VIN = 1.8V
VIN = 2.5V
VIN = 3.1V
VIN = 1.8V
VIN = 2.5V
VIN = 3.1V
EFFICIENCY
POWER LOSS
POWER
LOSS
(W)
LOAD CURRENT (mA)
30
EFFICIENCY
(%)
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3549 G01b
0
1
0.1
0.01
0.001
0.0001
1
POWER
LOSS
(W)
VIN = 1.8V
VIN = 2.5V
VIN = 3.1V
VIN = 1.8V
VIN = 2.5V
VIN = 3.1V
EFFICIENCY
POWER LOSS
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|---|---|
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