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Número de pieza
componentes Descripción
LTC3636 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC3636
Dual Channel 6A, 20V Monolithic Synchronous Step-Down Regulator
Linear Technology
LTC3636 Datasheet PDF : 28 Pages
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LTC3636/LTC3636-1
Typical Performance Characteristics
T
J
= 25°C, V
IN1
= V
IN2
= 12V, f
SW
= 1MHz, L = 0.55µH
unless otherwise noted.
Internal MOSFET R
DS(ON)
vs Temperature
60
50
40
30
TOP SWITCH
20
BOTTOM SWITCH
10
0
–50
–25
0
25
50
75
TEMPERATURE (°C)
100
125
3636 G10
Temperature Monitor vs
Temperature
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
–50
–25
0
25
50
75
TEMPERATURE (°C)
100
125
3636 G11
Quiescent Current vs V
IN
Burst Mode Operation
900
800
700
90°C
600
25°C
500
400
–40°C
300
200
100
0
4
6
8
10
12
14
16
18
20
V
IN
(V)
3636 G12
Switch Leakage vs Temperature
16
MAIN SWITCH
14
SYNCHRONOUS SWITCH
12
10
8
6
4
2
0
–50
–25
0
25
50
75
100
125
150
TEMPERATURE (°C)
3636 G13
Valley Current Limit
vs Temperature
7.6
7.2
6.8
6.4
6.0
5.6
5.2
–50
–25
0
25
50
75
TEMPERATURE (°C)
100
125
3636 G14
TRACKSS Pull-Up Current
vs Temperature
1.8
1.6
1.4
1.2
1.0
0.8
0.6
–50
–25
0
25
50
75
TEMPERATURE (°C)
100
125
3636 G15
6
Shutdown Current vs V
IN
22
20
18
16
14
12
10
8
6
4
4
6
8
10
12
14
16
18
20
V
IN
(V)
3636 G16
Burst Mode Operation
SW
10V/DIV
V
OUT
50mV/DIV
I
L
2A/DIV
V
OUT
= 1.8V
I
LOAD
= 200mA
5µs/DIV
3636 G17
For more information
www.linear.com/LTC3636
3636fa
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