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參數(shù)資料
| 型號(hào)： | LT3407IDD-2 |
| 廠(chǎng)商： | LINEAR TECHNOLOGY CORP |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 1.6 A DUAL SWITCHING CONTROLLER, 2700 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | 3 X 3 MM, PLASTIC, MO-229WEED-2, DFN-10 |
| 文件頁(yè)數(shù)： | 11/16頁(yè) |
| 文件大小： | 221K |
| 代理商： | LT3407IDD-2 |
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LTC3407-2
4
34072fa
Efficiency vs Load Current
Load Regulation
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Reference Voltage vs
Temperature
RDS(ON) vs Input Voltage
RDS(ON) vs Temperature
VIN (V)
1
500
450
400
350
300
250
200
46
3407 G08
2
3
57
R
DS(ON)
(m
Ω
)
MAIN
SWITCH
SYNCHRONOUS
SWITCH
0.615
0.610
0.605
0.600
0.595
0.590
0.585
REFERENCE
VOLTAGE
(V)
TEMPERATURE (
°C)
–50
550
500
450
400
350
300
250
200
150
100
25
75
3407 G09
–25
0
50
100
150
125
TEMPERATURE (
°C)
–50
25
75
3407 G07
–25
0
50
100
125
R
DS(ON)
(m
Ω
)
MAIN SWITCH
SYNCHRONOUS SWITCH
VIN = 3.6V
VIN = 4.2V
VIN = 2.7V
TA = 25°C
LOAD CURRENT (mA)
1
EFFICIENCY
(%)
100
95
90
85
80
75
70
65
60
10
100
1000
3407 G10
3.6V
2.7V
4.2V
VOUT = 2.5V
Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL
CIRCUIT OF FIGURE 1
LOAD CURRENT (mA)
1
EFFICIENCY
(%)
100
95
90
85
80
75
70
65
60
10
100
1000
3407 G11
VIN = 3.6V, VOUT = 1.8V
NO LOAD ON OTHER CHANNEL
LOAD CURRENT (mA)
1
V
OUT
ERROR
(%)
4
3
2
1
0
–1
–2
–3
–4
10
100
1000
3407 G12
VIN = 3.6V, VOUT = 1.8V
NO LOAD ON OTHER CHANNEL
Burst Mode OPERATION
PULSE SKIP MODE
2.5
2.4
2.3
2.2
2.1
2.0
FREQUENCY
(MHz)
10
8
6
4
2
0
–2
–4
–6
–8
–10
FREQUENCY
DEVIATION
(%)
SUPPLY VOLTAGE (V)
2
3407 G06
3
45
6
INPUT VOLTAGE (V)
2
3407 G04
3
45
6
TEMPERATURE (
°C)
–50
25
75
3407 G05
–25
0
50
100
125
100
95
90
85
80
75
70
65
60
EFFICIENCY
(%)
VOUT = 1.8V
Burst Mode OPERATION
CIRCUIT OF FIGURE 1
800mA
10mA
100mA
1mA
VIN = 3.6V
Efficiency vs Input Voltage
Oscillator Frequency vs Supply
Voltage
Oscillator Frequency vs
Temperature
TA = 25°C unless other wise specified.
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