LT1616 查看數據表（PDF） - Linear Technology
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LT1616 Datasheet PDF : 16 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LT1616
Efficiency, VOUT = 5V
100
90
VIN = 8V
80
VIN = 12V
70
VIN = 24V
60
50
40
30
0
100 200 300 400 500
LOAD CURRENT (mA)
1616 G01
Maximum Load Current
at VOUT = 5V
500
L = 15µH
400
L = 10µH
L = 6.8µH
300
OUTPUT LIMITED
BY DISSIPATION
200
100
0
5
10
15
20
25
INPUT VOLTAGE (V)
1616 G04
Switch Current Limit
1000
800
TYPICAL
600
MINIMUM
400
200
0
0
20
40
60
80 100
DUTY CYCLE (%)
1616 G07
Efficiency, VOUT = 3.3V
100
90
VIN = 5V VIN = 12V
80
70
VIN = 20V
60
50
40
30
0
100 200 300 400 500
LOAD CURRENT (mA)
1616 G02
Maximum Load Current
at VOUT = 3.3V
500
L = 10µH
400
L = 4.7µH
300
OUTPUT LIMITED
BY DISSIPATION
200
100
0
5
10
15
20
25
INPUT VOLTAGE (V)
1616 G05
Feedback Pin Voltage
1.27
1.26
1.25
1.24
1.23
1.22
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
1616 G08
Switch Voltage Drop
500
400
300
200
100
0
0
200
400
SWITCH CURRENT (mA)
600
1616 G03
BOOST Pin Current
16
14
12
10
8
6
4
2
0
0
200
400
SWITCH CURRENT (mA)
600
1616 G06
Undervoltage Lockout
3.7
3.6
3.5
3.4
3.3
3.2
3.1
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
1616 G11
3
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