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LTC3124 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC3124
Description  15V, 5A 2-Phase Synchronous Step-Up DC/DC Converter with Output Disconnect
PDF  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3124 Datasheet(HTML) 5 Page - Linear Technology

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LTC3124
5
3124f
For more information www.linear.com/LTC3124
TYPICAL PERFORMANCE CHARACTERISTICS
Burst Mode Output Current vs VIN
Burst Mode No-Load Input
Current vs VIN
Burst Mode Quiescent Current
Change vs Temperature
SD Pin Threshold
PWM Mode Maximum Output
Current vs VIN
Peak Current Limit Change
vs Temperature
PWM Operation No-Load Input
Current vs VIN
VIN (V)
1
2.4
3.2
4.0
5
3124 G10
1.6
0.8
2.0
2.8
3.6
1.2
0.4
0
2
3
4
1.5
0.5
2.5
3.5
4.5
5.5
VOUT = 5V
VOUT = 7.5V
VOUT = 12V
VOUT = 15V
TEMPERATURE (°C)
–50
2
1
0
–1
–2
–3
–4
70
110
–10
3124 G11
30
150
VIN (V)
1
120
160
200
5
3124 G12
80
40
100
140
180
60
20
0
2
3
4
1.5
0.5
2.5
3.5
4.5
5.5
VOUT = 15V
VOUT = 12V
VOUT = 7.5V
VOUT = 5V
VOUT = 2.5V
VIN, FALLING (V)
1
300
400
5
3124 G13
200
100
250
350
150
50
0
2
3
4
1.5
0.5
2.5
3.5
4.5
5.5
VOUT = 2.5V
VOUT = 5V
VOUT = 7.5V
VOUT = 12V
VOUT = 15V
VIN, FALLING (V)
0.5 1 1.5 2
100
1000
10000
2.5 3 3.5 4 4.5 5 5.5
3124 G14
10
VOUT = 15V
VOUT = 12V
VOUT = 7.5V
VOUT = 5V
VOUT = 2.5V
1s/DIV
3124 G16
VOUT
5V/DIV
VSD
500mV/DIV
900mV
400mV
RT vs Frequency
Configured as front page application at TA = 25°C, unless otherwise specified.
FREQUENCY (kHz)
100
10
10
100
1000
3000
3124 G17
TEMPERATURE (°C)
–50
75
60
45
30
15
0
–15
70
110
–10
3124 G15
30
150



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