LT1500 데이터 시트보기 (PDF) - Linear Technology
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LT1500 Datasheet PDF : 16 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT1500/LT1501
Efficiency (3.3V Output)
100
90
ILOAD = 100mA
80
ILOAD = 10mA
70
60
50 TJ = 25°C
L = 33µH
LOW LOSS INDUCTOR
40
1.75 2.00 2.25 2.50 2.75 3.00 3.25
INPUT VOLTAGE (V)
LT1500/01 • TPC11
Inductor Copper Loss
(3.3V Output)
10
R = 1Ω
R = 0.5Ω
R = 0.2Ω
1
R = 0.1Ω
Efficiency (5V Output)
100
90
ILOAD = 10mA
ILOAD = 100mA
80
70
60
50 TJ = 25°C
L = 33µH
LOW LOSS INDUCTOR
40
2.0 2.5 3.0 3.5 4.0 4.5 5.0
INPUT VOLTAGE (V)
LT1500/01 • TPC12
Inductor Copper Loss (5V Output)
10
VIN = 3V
R = 1Ω
R = 0.5Ω
R = 0.2Ω
1
R = 0.1Ω
Efficiency (12V Output)
100
90
ILOAD = 50mA
80
ILOAD = 10mA
70
60
50 TJ = 25°C
L = 33µH
LOW LOSS INDUCTOR
40
02
4
6
8
10 12
INPUT VOLTAGE (V)
LT1500/01 • TPC13
Inductor Copper Loss
(12V Output)
10
VIN = 5V
R = 1Ω
R = 0.5Ω
1
R = 0.2Ω
VIN = 2.3V
0.1
0
50 100 150 200 250 300
LOAD CURRENT (mA)
LT1500/01 • TPC14
Maximum Load Current
(3.3V Output)
600
500
400
L ≥ 33µH
300
L = 10µH
200
100
0
1.50 1.75 2.00 2.25 2.50
INPUT VOLTAGE (V)
2.75 3.00
LT1500/01 • TPC08
0.1
0
50 100 150 200 250 300
LOAD CURRENT (mA)
LT1500/01 • TPC15
Maximum Load Current
(5V Output)
600
500
400
L ≥ 33µH
300
L = 10µH
200
100
0
2.0
2.5 3.0 3.5 4.0 4.5 5.0
INPUT VOLTAGE (V)
LT1500/01 • TPC09
0.1
0 25 50 75 100 125 150 175 200
LOAD CURRENT (mA)
LTC1500/01 • TPC16
Maximum Load Current
(12V Output)
600
500
L = 33µH
400
300
L = 100µH
200
L = 10µH
100
0
0
2
4
6
8
10 12
INPUT VOLTAGE (V)
LT1500/01 • TPC10
5
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