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參數(shù)資料
| 型號(hào)： | LTC3586EUFE#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3 A BATTERY CHARGE CONTROLLER, 2700 kHz SWITCHING FREQ-MAX, PQCC38 |
| 封裝： | 4 X 6 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-38 |
| 文件頁(yè)數(shù)： | 2/36頁(yè) |
| 文件大?。?/td> | 317K |
| 代理商： | LTC3586EUFE#PBF |
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LTC3586/LTC3586-1
10
3586fa
TEMPERATURE (°C)
–55
11.0
I Q
(μA)
11.5
12.5
13.0
13.5
–15
25
45
125
3586 G31
12.0
–35
5
65
85 105
14.0
VIN1 = 3V
VIN3 = 4.5V
VIN3 = 3.6V
VIN1 (V)
2.7
0
REDUCTION
BELOW
1A
(mA)
50
100
150
200
250
300
3.1
3.5
3.9
4.3
3586 G32
4.7
STEADY STATE ILOAD
START-UP WITH A
RESISTIVE LOAD
START-UP WITH A
CURRENT SOURCE LOAD
VOUT3 = 3.3V
TYPE 3 COMPENSATION
TYPICAL PERFORMANCE CHARACTERISTICS
Buck-Boost Regulator Burst Mode
Operation Quiescent Current
Reduction in Current
Deliverability at Low VIN1
Buck-Boost Step Response
Boost Efciency (VIN4 = 3.8V)
Boost Efciency vs VIN4
Boost Output Voltage
vs Temperature
INPUT VOLTAGE VIN4 (V)
2.6
0
EFFICIENCY
(%)
90
80
70
60
50
40
30
20
10
100
3
5
5.4
3.4
3.8
4.2
3586 G35
4.6
IVOUT4 = 300mA
VOUT4 = 5V
SYNCH
PMOS
OFF
TEMPERATURE (C)
–45
4.950
4.985
4.980
4.975
4.970
4.965
4.960
4.955
4.995
4.990
5.000
–30 –15
0
30
15
3586 G36
45
60
75
90
V
OUT4
(V)
VIN4 = 2.7V
VIN4 = 3.8V
VIN4 = 4.5V
Maximum Deliverable Boost
Output Current
Maximum Boost Duty Cycle
vs VIN4
Boost Step Response
(50mA to 300mA)
VIN4 (V)
2.7
0
OUTPUT
CURRENT
I
VOUT4
(mA)
2200
2000
1800
1600
1400
1200
1000
800
600
400
200
3
3.3
3.6
3.9
3586 G37
4.2
4.5
T = 90C
T = –45C
L = 2.2μH
VOUT4 = 4.9V (SET FOR 5V)
T = 25C
VIN4 (V)
2.7
80
MAXIMUM
DUT
Y
CYCLE
(%)
90
85
95
100
3
3.3
3.6
3.9
4.2
4.5
3586 G38
T = 90C
T = 25C
T = – 45C
(TA = 25°C unless otherwise noted.)
100μs/DIV
VOUT3
100mV/DIV
AC
COUPLED
300mA
0
IVOUT3
200mA/DIV
3586 G33
VIN3 = 3.8V
VOUT3 = 3.3V
IVOUT4 (mA)
1
40
EFFICIENCY
(%)
POWER
LOSS
(W)
50
60
70
80
10
100
1000
3586 G23
30
20
10
0
90
100
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0
VOUT4 = 5V
EFFICIENCY
POWER LOSS
50μs/DIV
VOUT4
100mV/DIV
AC
COUPLED
VIN4 = 3.8V
VOUT4 = 5V
L = 2.2μH
C = 10μF
300mA
50mA
IVOUT4
125mA/DIV
3586 G39
VIN3 = 3.8V
VOUT3 = 3.3V
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| LTC3586EUFE-1#PBF | BATTERY CHARGE CONTROLLER, PQCC38 |
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