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LTC1735 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC1735
Description  Dual, 550kHz, 2-Phase Synchronous Regulator
PDF  32 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1735 Datasheet(HTML) 5 Page - Linear Technology

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LTC3728L-1
5
3728l1fc
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Input Voltage
and Mode (Figure 13)
EXTVCC Voltage Drop
INTVCC and EXTVCC Switch
Voltage vs Temperature
Internal 5V LDO Line Regulation
Maximum Current Sense Threshold
vs Duty Factor
Maximum Current Sense Threshold
vs Percent of Nominal Output
Voltage (Foldback)
Maximum Current Sense Threshold
vs VRUN/SS (Soft-Start)
Maximum Current Sense Threshold
vs Sense Common Mode Voltage
Current Sense Threshold
vs ITH Voltage
INPUT VOLTAGE (V)
05
0
400
1000
10
20
25
3728L1 G04
200
800
600
15
30
SHUTDOWN
BOTH
CONTROLLERS ON
CURRENT (mA)
0
150
200
40
3728L1 G05
100
50
0
10
20
30
TEMPERATURE (°C)
–50
4.95
5.00
5.05
25
75
3728L1 G06
4.90
4.85
–25
0
50
100
125
4.80
4.70
4.75
INTVCC VOLTAGE
EXTVCC SWITCHOVER THRESHOLD
INPUT VOLTAGE (V)
0
4.8
4.9
5.1
15
25
3728L1 G07
4.7
4.6
510
20
30
4.5
4.4
5.0
ILOAD = 1mA
DUTY FACTOR (%)
0
0
25
50
75
20
40
60
80
3728L1 G08
100
PERCENT ON NOMINAL OUTPUT VOLTAGE (%)
0
40
50
60
100
3728L1 G09
30
20
0
25
50
75
10
80
70
VRUN/SS (V)
0
0
20
40
60
80
12
3
4
3728L1 G10
56
VSENSE(CM) = 1.6V
COMMON MODE VOLTAGE (V)
0
72
76
80
4
3728L1 G11
68
64
60
1
2
3
5
VITH (V)
0
30
50
70
90
2
3728L1 G12
10
–10
20
40
60
80
0
–20
–30
0.5
1
1.5
2.5



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