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LTC3733 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC3733
Description  3-Phase, Buck Controllers for AMD CPUs
PDF  32 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3733 Datasheet(HTML) 5 Page - Linear Technology

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LTC3733/LTC3733-1
3733f
TYPICAL PERFOR A CE CHARACTERISTICS
Efficiency vs IOUT
Efficiency vs VIN
Efficiency vs Frequency
Reference Voltage vs
Temperature
Error Amplifier gm vs
Temperature
Maximum ISENSE Threshold vs
Temperature
Oscillator Frequency vs
Temperature
Oscillator Frequency vs VPLLFLTR
Undervoltage Reset Voltage vs
Temperature
INDUCTOR CURRENT (A)
0.1
0
10
30
40
50
100
70
10
3733 G01
20
80
90
60
1
100
VFCB = OPEN
VFCB = 0V
VIN = 8V
VOUT = 1.5V
VFCB = 5V
VIN (V)
0
70
100
75
15
3733 G02
85
80
95
90
5
25
10
20
IL = 20A
IL = 50A
VOUT = 1.5V
f = 210kHz
FREQUENCY (kHz)
200
85
100
450
3733 G03
91
88
97
94
250
550
350
300
400
500
VIN = 5V
VIN = 12V
VIN = 20V
VOUT = 1.5V
ILOAD = 20A
VIN = 8V
TEMPERATURE (
°C)
–45
590
610
45
3733 G04
595
605
600
–30
90
0
–15
15
75
30
60
TEMPERATURE (
°C)
–45
2.0
4.0
45
3733 G05
2.5
3.5
3.0
–30
90
0
–15
15
75
30
60
TEMPERATURE (
°C)
–45
65
85
45
3733 G06
70
80
75
–30
90
0
–15
15
75
30
60
VO = 1.55V
VO = 0.8V
TEMPERATURE (
°C)
–45
100
600
550
500
450
400
350
300
45
3733 G07
150
250
200
–30
90
0
–15
15
75
30
60
VPLLFLTR = 2.4V
VPLLFLTR = 1.2V
VPLLFLTR = 0V
VPLLFLTR = 5V
VPLLFLTR (V)
0
200
550
500
450
400
350
300
3733 G08
250
1.6
2.4
0.8
0.4
1.2
2.0
TEMPERATURE (
°C)
–45
3.0
5.0
45
3733 G09
3.5
4.5
4.0
–30
90
0
–15
15
75
30
60



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