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| LTC3415 Datasheet, PDF (5/28 Pages) Linear Technology – 7A, PolyPhase Synchronous Step-Down Regulator | |||
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC3415
Efï¬ciency and Power Loss
Burst Mode Operation
100
VOUT = 1.8V
90
80
EFFICIENCY
70
60
50
40
POWER LOSS
30
20
10
0
0.01
0.1
1
LOAD CURRENT (A)
10
1
0.1
0.01
2.5V
3.3V
5V 0.001
10
3415 G09
Output Tracking
VOUT2 =
3.3V/7A
500mV/DIV
VOUT1 =
1.8V/14A
500mV/DIV
500μs/DIV
3415 G07
Efï¬ciency and Power Loss
Pulse-Skip Mode Operation
100
VOUT = 1.8V
90
EFFICIENCY
80
70
60
50
40
30
POWER LOSS
20
10
0
0.01
0.1
1
LOAD CURRENT (A)
10
1
0.1
2.5V
3.3V
5V 0.01
10
3415 G10
Switch Leakage Current
vs Input Voltage
200
175
150
125
MAIN SWITCH
100
75
50
SYNCHRONOUS
25
SWITCH
0
2.5 3 3.5 4 4.5 5 5.5 6
INPUT VOLTAGE (V)
3415 G12
3415fa
5
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