LTC3611IWP-PBF Просмотр технического описания (PDF) - Linear Technology
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LTC3611IWP-PBF Datasheet PDF : 24 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC3611
Efficiency vs Load Current
100
DISCONTINUOUS
90
80
70
60
50
0.01
CONTINUOUS
VIN = 12V
VOUT = 2.5V
EXTVCC = 5V
FIGURE 6 CIRCUIT
0.1
1
LOAD CURRENT (A)
10
3611 G04
Efficiency vs Input Voltage
100
FCB = 5V
FIGURE 6 CIRCUIT
95
90
ILOAD = 10A
85
ILOAD = 1A
80
5
10 15 20 25 30 35
INPUT VOLTAGE (V)
3611 G05
Frequency vs Input Voltage
640
ILOAD = 10A
600
560
520
480
ILOAD = 0A
440
FCB = 0V
FIGURE 6 CIRCUIT
400
5 10 15 20 25
INPUT VOLTAGE (V)
30 35
3611 G06
Frequency vs Load Current
650
600
550
CONTINUOUS MODE
500
450
400
DISCONTINUOUS MODE
350
300
250
200
150
100
50
0
0
2
4
6
8
LOAD CURRENT (A)
10
3611 G07
Load Regulation
0.80 FIGURE 6 CIRCUIT
0.60
0.40
0.20
0
–0.20
–0.40
–0.60
–0.80
0
2
4
6
8
10
LOAD CURRENT (A)
3611 G08
Load Current vs ITH Voltage and
VRNG
25
20
VRNG = 1V
15
0.7V
10
0.5V
5
0
–5
–10
0 0.5 1 1.5 2 2.5 3
ITH VOLTAGE (V)
3611 G10
On-Time vs ION Current
10000
VVON = 0V
1000
100
10
1
10
ION CURRENT (μA)
100
3611 G11
ITH Voltage vs Load Current
2.5
FIGURE 6 CIRCUIT
2.0
1.5 CONTINUOUS
MODE
1.0
DISCONTINUOUS
MODE
0.5
0
0
5
10
15
LOAD CURRENT (A)
3611 G09
On-Time vs VON Voltage
1000
ION = 30μA
800
600
400
200
0
0
1
2
3
VON VOLTAGE (V)
3611 G12
3611fb
5
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