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LTC3589 Datasheet(PDF) 8 Page - Linear Technology

Part # LTC3589
Description  8-Channel Programmable, Parallelable 1A Buck DC/DCs
PDF  36 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3589 Datasheet(HTML) 8 Page - Linear Technology

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LTC3375
8
3375fa
For more information www.linear.com/3375
Typical perForMance characTerisTics
Enable Pin Precision Threshold
vs Temperature
TEMPERATURE (°C)
–50
395
410
150
3375 G12
385
380
0
50
100
–25
25
75
125
420
390
400
405
415
EN RISING
EN FALLING
Enable Threshold vs Temperature
VTEMP vs Temperature
Buck VIN Supply Current
vs Temperature
PMOS Current Limit
vs Temperature
PMOS RDS(ON) vs Temperature
NMOS RDS(ON) vs Temperature
Buck VIN Supply Current
vs Temperature
VOUT vs Temperature
TEMPERATURE (°C)
–50
400
450
550
600
650
900
750
0
50
75
3375 G11
500
800
850
700
–25
25
100 125 150
ALL REGULATORS DISABLED
VCC = 3.3V
EN RISING
EN FALLING
0
–200
0
400
1400
800
20
100
80
200
1000
1200
600
40
60
120 140
ALL REGULATORS DISABLED
VCC = 3.3V
ACTUAL VTEMP
IDEAL VTEMP
TEMPERATURE (°C)
3375 G10
TEMPERATURE (°C)
–50
40
150
3375 G13
10
0
125
100
75
50
25
0
–25
50
20
30
Burst Mode OPERATION
FB = 850mV
VIN = 5.5V
VIN = 2.25V
VIN = 3.3V
TEMPERATURE (°C)
–50
450
500
150
3375 G14
50
100
150
0
125
100
75
50
25
0
–25
550
200
250
300
350
400
FORCED CONTINUOUS MODE
FB = 0V
VIN = 5.5V
VIN = 2.25V
VIN = 3.3V
TEMPERATURE (°C)
–50
1.84
1.86
150
3375 G15
1.72
125
100
75
50
25
0
–25
1.88
1.74
1.76
1.78
1.8
1.82
FORCED CONTINUOUS MODE
LOAD = 0mA
VIN = 5.5V
VIN = 2.25V
VIN = 3.3V
TEMPERATURE (°C)
–50
2.5
150
3375 G16
2.1
2.2
2
125
100
75
50
25
0
–25
2.6
2.3
2.4
VIN = 3.3V
TEMPERATURE (°C)
–50
550
500
150
3375 G17
250
300
350
200
125
100
75
50
25
0
–25
600
400
450
VIN = 2.25V
VIN = 3.3V
VIN = 5.5V
TEMPERATURE (°C)
–50
550
500
150
3375 G18
250
300
350
200
125
100
75
50
25
0
–25
600
400
450
VIN = 2.25V
VIN = 3.3V
VIN = 5.5V



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