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LT1500 数据表(PDF) 5 Page - Linear Technology

部件名 LT1500
功能描述  Adaptive-Frequency Current Mode Switching Regulators
PDF  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1500 数据表(HTML) 5 Page - Linear Technology

  LT1500 Datasheet HTML 1Page - Linear Technology LT1500 Datasheet HTML 2Page - Linear Technology LT1500 Datasheet HTML 3Page - Linear Technology LT1500 Datasheet HTML 4Page - Linear Technology LT1500 Datasheet HTML 5Page - Linear Technology LT1500 Datasheet HTML 6Page - Linear Technology LT1500 Datasheet HTML 7Page - Linear Technology LT1500 Datasheet HTML 8Page - Linear Technology LT1500 Datasheet HTML 9Page - Linear Technology Next Button
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5
LT1500/LT1501
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency (3.3V Output)
ILOAD = 100mA
ILOAD = 10mA
INPUT VOLTAGE (V)
1.75
100
90
80
70
60
50
40
2.00
2.25
2.50
2.75
LT1500/01 • TPC11
3.00
3.25
TJ = 25°C
L = 33
µH
LOW LOSS INDUCTOR
Efficiency (5V Output)
ILOAD = 100mA
ILOAD = 10mA
INPUT VOLTAGE (V)
2.0
100
90
80
70
60
50
40
2.5
3.0
3.5
4.0
LT1500/01 • TPC12
4.5
5.0
TJ = 25°C
L = 33
µH
LOW LOSS INDUCTOR
Efficiency (12V Output)
ILOAD = 50mA
ILOAD = 10mA
INPUT VOLTAGE (V)
0
100
90
80
70
60
50
40
2
46
8
LT1500/01 • TPC13
10
12
TJ = 25°C
L = 33
µH
LOW LOSS INDUCTOR
Inductor Copper Loss (5V Output)
Inductor Copper Loss
(3.3V Output)
LOAD CURRENT (mA)
0
50
100
0.1
1
10
150
200
250
300
LT1500/01 • TPC14
R = 1
Ω
R = 0.5
Ω
R = 0.2
Ω
R = 0.1
Ω
VIN = 2.3V
LOAD CURRENT (mA)
0
50
100
0.1
1
10
150
200
250
300
LT1500/01 • TPC15
R = 0.5
Ω
R = 0.2
Ω
R = 1
Ω
VIN = 3V
R = 0.1
Ω
Inductor Copper Loss
(12V Output)
LOAD CURRENT (mA)
025
50
75
10
1
0.1
100 125 150 175
200
LTC1500/01 • TPC16
R = 0.2
Ω
R = 0.5
Ω
R = 1
Ω
VIN = 5V
Maximum Load Current
(3.3V Output)
INPUT VOLTAGE (V)
1.50
600
500
400
300
200
100
0
1.75
2.00
2.25
2.50
LT1500/01 • TPC08
2.75
3.00
L
≥ 33µH
L = 10
µH
Maximum Load Current
(5V Output)
INPUT VOLTAGE (V)
2.0
600
500
400
300
200
100
0
2.5
3.0
3.5
4.0
LT1500/01 • TPC09
4.5
5.0
L
≥ 33µH
L = 10
µH
Maximum Load Current
(12V Output)
L = 100
µH
INPUT VOLTAGE (V)
0
600
500
400
300
200
100
0
2
46
8
LT1500/01 • TPC10
10
12
L = 33
µH
L = 10
µH



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