LTC1735E 데이터 시트보기 (PDF) - Linear Technology
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LTC1735E Datasheet PDF : 32 Pages
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LTC1735
TYPICAL PERFOR A CE CHARACTERISTICS
SENSE Pins Total Source Current
100
50
0
–50
–100
0
2
4
6
VSENSE COMMON MODE VOLTAGE (V)
1735 G16
Oscillator Frequency
vs Temperature
300
COSC = 47pF
290
ITH Voltage vs Load Current
2.5
VIN = 10V
VOUT = 3.3V
2.0
RSENSE = 0.01Ω
fO = 300kHz
1.5 CONTINUOUS
MODE
SYNCHRONIZED f = fO
1.0
Burst Mode
0.5
OPERATION
0
0
1
2
3
4
56
LOAD CURRENT (A)
1735 G17
RUN/SS Pin Current
vs Temperature
0
VRUN/SS = 0V
–1
Output Current vs Duty Cycle
100
IOUT/IMAX (SYNC)
80
IOUT/IMAX
(FREE RUN)
60
40
20
fSYNC = fO
0
0
20
40
60
DUTY CYCLE (%)
80 100
1735 G14
FCB Pin Current vs Temperature
0
VFCB = 0.85V
–0.2
280
–2
–0.4
270
–3
–0.6
260
–4
–0.8
250
–40 –15
10 35 60 85
TEMPERATURE (°C)
110 135
1735 G19
–5
–40 –15
10 35 60 85
TEMPERATURE (°C)
110 135
1735 G20
–1.0
–40 –15
10 35 60 85
TEMPERATURE (°C)
110 135
1735 G21
Supply Current in Shutdown
vs VRUN/SS
100
90
80
70
60
50
40
30
20
10
0
0
0.5
1
1.5
2
VRUN/SS
1735 G28
Supply Current in Shutdown
vs Temperature
30
25
20
15
10
5
0
–50
0
50
100
TEMPERATURE (°C)
150
1735 G29
1735fc
6
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