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LTC3603IMSEPBF Datasheet(PDF) 5 Page - Linear Technology

Part # LTC3603IMSEPBF
Description  2.5A, 15V Monolithic Synchronous Step-Down Regulator
PDF  22 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3603IMSEPBF Datasheet(HTML) 5 Page - Linear Technology

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LTC3603
5
3603fa
Frequency vs Temperature
Quiescent Current
vs Input Voltage
Quiescent Current
vs Temperature
TYPICAL PERFORMANCE CHARACTERISTICS
Minimum Peak Inductor Current
vs Burst Clamp Voltage
Maximum Peak Inductor Current
vs Duty Cycle
Efficiency vs Load Current,
Burst Mode Operation
Efficiency vs Load Current,
Forced Continuous
Efficiency vs Input Voltage
Efficiency vs Frequency
TEMPERATURE (°C)
995
1000
1005
990
985
980
1010
1015
1020
3603 G09
–50
25
75
–25
0
50
100
125
ROSC = 105kΩ
INPUT VOLTAGE (V)
0
200
400
600
100
300
500
6
8
10
12
3603 G10
15
5
47
9
11
13 14
SLEEP
ACTIVE
TEMPERATURE (°C)
300
400
600
200
100
0
500
3603 G11
–50
25
75
–25
0
50
100
125
SLEEP
ACTIVE
BURST CLAMP VOLTAGE (V)
0.4
2.0
2.5
0.7
0.9
1.5
1.0
0.5
0.6
0.8
1.0
0.5
0
3.0
3603 G12
DUTY CYCLE (%)
0
3
4
5
80
2
1
0
10 20 30 40 50 60 70
90 100
3603 G13
LOAD CURRENT (A)
80
90
100
75
85
95
0.001
0.1
1
10
3603 G14
70
0.01
FIGURE 6 CIRCUIT
VIN = 5V
VIN = 15V
VIN = 7.2V
VIN = 12V
LOAD CURRENT (A)
0.01
70
80
90
100
0.1
1
10
3603 G15
60
50
40
30
VIN = 15V
FIGURE 6 CIRCUIT
VIN = 5V
VIN = 12V
VIN = 7.2V
INPUT VOLTAGE (V)
4
70
75
80
85
90
100
6
810
12
3603 G16
14
5
7
9
111315 16
95
FIGURE 6 CIRCUIT
ILOAD = 1A
ILOAD = 2.5A
FREQUENCY (kHz)
0
90
92
94
3603 G17
88
86
84
1000
2000
96
98
100
3000
FIGURE 6 CIRCUIT
ILOAD = 2A
VIN = 7.2V
VIN = 12V



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