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LTC3312SAAVPBF Datasheet(PDF) 5 Page - Analog Devices

Part # LTC3312SAAVPBF
Description  5V, Dual 6A/Dual-Phase 12A Step-Down DC/DC Regulator
PDF  28 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC3312SAAVPBF Datasheet(HTML) 5 Page - Analog Devices

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LTC3312SA
5
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Feedback Voltage
Minimum On-Time vs VIN
Minimum On-Time
Switch On-Resistance vs VIN
Switch On-Resistance
Default Switching Frequency
vs VIN
Default Switching Frequency
Switching Frequency vs RT
Switching Frequency
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
495
496
497
498
499
500
501
502
503
504
505
Feedback Voltage
3312SA G01
HIGH SIDE
LOW SIDE
INPUT VOLTAGE (V)
2
2.5
3
3.5
4
4.5
5
5.5
0
2
4
6
8
10
12
14
16
18
20
Switch On Resistance
3312SA G04
VIN = 3.3V
TOP
BOTTOM
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
0
5
10
15
20
25
Switch On Resistance
3312SA G05
INPUT VOLTAGE (V)
2
2.5
3
3.5
4
4.5
5
5.5
1.80
1.84
1.88
1.92
1.96
2.00
2.04
2.08
2.12
2.16
2.20
Default Switching Frequency
3312SA G06
VIN = 2.25V
VIN = 3.3V
VIN = 5.5V
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
1.80
1.84
1.88
1.92
1.96
2.00
2.04
2.08
2.12
2.16
2.20
Default Switching Frequency
3312SA G07
RESISTANCE (kΩ)
20 25 30 35 40 45 50 55 60 65 70 75
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
RT Switching Frequency
3312SA G08
RT = 34.8kΩ
VIN = 2.25V
VIN = 3.3V
VIN = 5.5V
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
1.80
1.84
1.88
1.92
1.96
2.00
2.04
2.08
2.12
2.16
2.20
RT Switching Frequency
3312SA G09
TA = 25°C, unless otherwise noted.
150°C
25°C
–50°C
INPUT VOLTAGE (V)
2
2.5
3
3.5
4
4.5
5
5.5
20
30
40
50
60
70
80
3312SA G02
VIN = 2.25V
VIN = 3.3V
VIN = 5.5V
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
20
30
40
50
60
70
80
3312SA G03



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