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LT8601 Datasheet(PDF) 5 Page - Linear Technology

Part # LT8601
Description  42V Triple Monolithic Synchronous Step-Down Regulator
PDF  26 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT8601 Datasheet(HTML) 5 Page - Linear Technology

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LT8601
5
8601fa
For more information www.linear.com/LT8601
Channel 2 Peak Current Limit
vs Duty Cycle
Channel 3 Peak Current Limit vs
Duty Cycle
Typical perForMance characTerisTics
Quiescent Current vs VIN
Channel 1 Peak Current Limit
vs Duty Cycle
Channel 1 Efficiency vs Load
VOUT1 = 8V, fSW = 2MHz
Channel 2 Efficiency vs Load
VOUT2 = 3.3V, fSW = 2MHz
Channel 2 Efficiency vs Load
VOUT2 = 3.3V, fSW = 1MHz
LV Channel Efficiency vs Load
VOUT3 = 1.8V, fSW = 1MHz
LV Channel Efficiency vs Load
VOUT3 = 1.2V,fSW = 2MHz
TA = 25°C, VIN = PVIN1 = PVIN2 = 12V, EN/UVLO = 3V
and PVIN3 = 3.3V, unless otherwise noted.
VIN (V)
5
10
15
20
25
30
35
40
45
10
20
30
40
50
8601 G06
Burst Mode OPERATION
PVIN1 = 12V
PVIN1 = 28V
PVIN1 = 42V
LOAD CURRENT (A)
0.0001
0.001
0.01
0.1
1 2
0
10
20
30
40
50
60
70
80
90
100
OUT1
SW
8601 G01
PVIN2 = 5.5V
PVIN2 = 12V
PVIN2 = 24V
LOAD CURRENT (A)
0
0.5
1
1.5
2
2.5
0
10
20
30
40
50
60
70
80
90
100
0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
3.6
4.0
VOUT2 = 3.3V, fSW = 2MHz
8601 G02
Burst Mode OPERATION
PVIN3 = 2.6V
PVIN3 = 3.3V
PVIN3 = 5.5V
LOAD CURRENT (A)
0.0001
0.001
0.01
0.1
1
3
0
10
20
30
40
50
60
70
80
90
100
OUT3
SW
8601 G04
Burst Mode OPERATION
PVIN3 = 2.6V
PVIN3 = 3.3V
PVIN3 = 5.5V
LOAD CURRENT (A)
0
0.4
0.8
1.2
1.6
2
0
10
20
30
40
50
60
70
80
90
100
OUT3
SW
8601 G05
Burst Mode OPERATION
DUTY CYCLE (%)
0 10 20 30 40 50 60 70 80 90 100
1.5
1.8
2.1
2.4
2.7
3.0
Duty Cycle
8601 G07
DUTY CYCLE (%)
0 10 20 30 40 50 60 70 80 90 100
2.5
3.0
3.5
4.0
4.5
5.0
8601 G08
DUTY CYCLE (%)
0 10 20 30 40 50 60 70 80 90 100
1.5
2.0
2.5
3.0
3.5
4.0
Duty Cycle
8601 G09
Burst Mode OPERATION
PVIN2 = 5.5V
PVIN2 = 12V
PVIN2 = 28V
LOAD CURRENT (A)
0.0001
0.001
0.01
0.1
1
3
0
10
20
30
40
50
60
70
80
90
100
VOUT2 = 3.3V, fSW = 1MHz
8601 G03



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