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LCVT Folha de dados(PDF) 4 Page - Linear Technology

Nome de Peças LCVT
Descrição Electrónicos  36V, 2A, 2.8MHz Step-Down Switching Regulator
PDF  24 Pages
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Fabricante Electrônico  LINER [Linear Technology]
Página de início  http://www.linear.com
Logo LINER - Linear Technology

LCVT Folha de dados(HTML) 4 Page - Linear Technology

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LT3684
4
3684f
Efficiency (VOUT = 5.0V)
Efficiency (VOUT = 3.3V)
Maximum Load Current
Switch Voltage Drop
Boost Pin Current
Switch Current Limit
Maximum Load Current
Switch Current Limit
Efficiency
LOAD CURRENT (A)
0
80
90
100
1.6
3684 G01
70
60
50
0.2 0.4 0.6 0.8 1.0 1.2 1.4
1.8 2.0
VIN = 12V
VIN = 24V
L: NEC PLC-0745-4R7
f = 800kHz
LOAD CURRENT (A)
0
70
75
80
85
90
1.6
3684 G02
65
60
55
50
0.2 0.4 0.6 0.8 1.0 1.2 1.4
1.8 2.0
VIN = 12V
VIN = 7V
VIN = 24V
L: NEC PLC-0745-4R7
f = 800kHz
SWITCHING FREQUENCY (MHz)
0
85
1.5
3684 G03
70
60
0.5
1
2
55
50
90
80
75
65
2.5
3
VIN = 12V
VIN = 24V
VOUT = 3.3V
L = 10
µH
LOAD = 1A
INPUT VOLTAGE (V)
5
15
3684 G04
2.5
10
20
1.5
1.0
4.0
3.5
3.0
2.0
25
30
TYPICAL
MINIMUM
VOUT = 3.3V
TA = 25°C
L = 4.7
µH
f = 800kHz
INPUT VOLTAGE (V)
5
15
3684 G05
2.5
10
20
1.5
1.0
4.0
3.5
3.0
2.0
25
30
TYPICAL
MINIMUM
VOUT = 5V
TA = 25°C
L = 4.7
µH
f = 800kHz
DUTY CYCLE (%)
0
40
3684 G06
2.5
20
60
1.5
1.0
4.0
3.5
3.0
2.0
80
100
TEMPERATURE (
°C)
–50
2.0
2.5
3.0
125
3684 G07
1.5
1.0
0
0
–25
50
25
100
75
0.5
4.5
4.0
DUTY CYCLE = 10 %
DUTY CYCLE = 90 %
SWITCH CURRENT (mA)
0
400
500
700
1500
2500
3684 G08
300
200
500
1000
2000
3000 3500
100
0
600
SWITCH CURRENT (mA)
0
0
10
30
40
50
2000
90
3684 G09
20
1000
500
2500 3000
1500
3500
60
70
80
(TA = 25°C unless otherwise noted)
TYPICAL PERFORMANCE CHARACTERISTICS



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