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LTC1735CS 数据表(PDF) 6 Page - Linear Technology

部件名 LTC1735CS
功能描述  High Efficiency Synchronous Step-Down Switching Regulator
PDF  32 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1735CS 数据表(HTML) 6 Page - Linear Technology

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6
LTC1735
1735fc
TYPICAL PERFOR A CE CHARACTERISTICS
Oscillator Frequency
vs Temperature
TEMPERATURE (
°C)
–40
–15
250
270
300
10
60
85
1735 G19
260
290
280
35
110
135
COSC = 47pF
RUN/SS Pin Current
vs Temperature
TEMPERATURE (
°C)
–40
–15
–5
–3
0
10
60
85
1735 G20
–4
–1
–2
35
110
135
VRUN/SS = 0V
TEMPERATURE (
°C)
–40
–15
–1.0
–0.6
0
10
60
85
1735 G21
–0.8
–0.2
–0.4
35
110
135
VFCB = 0.85V
FCB Pin Current vs Temperature
Output Current vs Duty Cycle
SENSE Pins Total Source Current
ITH Voltage vs Load Current
DUTY CYCLE (%)
0
0
20
40
60
80
100
20
40
60
80
1735 G14
100
fSYNC = fO
IOUT/IMAX (SYNC)
IOUT/IMAX
(FREE RUN)
VSENSE COMMON MODE VOLTAGE (V)
0
0
1735 G16
–50
–100
24
50
100
6
LOAD CURRENT (A)
0
0
0.5
1.0
1.5
2.0
2.5
1
23
4
1735 G17
56
VIN = 10V
VOUT = 3.3V
RSENSE = 0.01Ω
fO = 300kHz
CONTINUOUS
MODE
Burst Mode
OPERATION
SYNCHRONIZED f = fO
Supply Current in Shutdown
vs VRUN/SS
VRUN/SS
0
0
10
30
40
50
100
70
0.5
1
1735 G28
20
80
90
60
1.5
2
TEMPERATURE (
°C)
–50
0
5
10
15
20
25
30
0
50
100
150
1735 G29
Supply Current in Shutdown
vs Temperature



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