LTC3534 查看數據表（PDF） - Linear Technology
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LTC3534 Datasheet PDF : 20 Pages
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LTC3534
Typical Performance Characteristics TA = 25°C, unless otherwise noted.
4 Alkaline Cells to 5V Efficiency
vs ILOAD
100
Burst
90 Mode
OPERATION
80
70
60
50
40
30
20
10
0.01
VIN = 3.6V
VIN = 5V
VIN = 6.4V
0.1
1
10 100 1000
LOAD CURRENT (mA)
3534 G01
USB to 5V Efficiency vs ILOAD
100
Burst
90 Mode
OPERATION
80
70
60
50
40
30
20
10
0.01
VIN = 4.35V
VIN = 4.8V
VIN = 5.25V
0.1
1
10 100 1000
LOAD CURRENT (mA)
3534 G02
Active Quiescent and Burst Mode
SLEEP Currents vs VIN
425
30
VFB = 1.2V
ACTIVE QUIESCENT CURRENT
415
28
405
26
Burst Mode SLEEP CURRENT
395
24
Current Limits vs VIN
3.3
3.0
VOUT = 5V
2.7
PEAK CURRENT LIMIT
2.4
2.1
LINEAR CURRENT LIMIT
1.8
385
2.4 3.2
4 4.8 5.6 6.4
INPUT VOLTAGE (V)
22
7.2 8
3534 G03
1.5
2.4 3.2
4 4.8 5.6 6.4
INPUT VOLTAGE (V)
7.2 8
3534 G04
Minimum Start-Up Voltage
vs Temperature
2.200
Active Quiescent Current
vs Temperature
450
VFB = 1.2V
Burst Mode SLEEP Current
vs Temperature
50
VFB = 1.2V
430
40
2.175
410
30
2.150
390
20
2.125
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
3534 G05
370
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
3534 G06
4
For more information www.linear.com/LTC3534
10
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
3534 G07
3534fb
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