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LTC3854EMSE 数据表(PDF) 5 Page - Linear Technology

部件名 LTC3854EMSE
功能描述  Small Footprint, Wide VIN Range Synchronous Step-Down DC/DC Controller
Download  28 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC3854EMSE 数据表(HTML) 5 Page - Linear Technology

  LTC3854EMSE Datasheet HTML 1Page - Linear Technology LTC3854EMSE Datasheet HTML 2Page - Linear Technology LTC3854EMSE Datasheet HTML 3Page - Linear Technology LTC3854EMSE Datasheet HTML 4Page - Linear Technology LTC3854EMSE Datasheet HTML 5Page - Linear Technology LTC3854EMSE Datasheet HTML 6Page - Linear Technology LTC3854EMSE Datasheet HTML 7Page - Linear Technology LTC3854EMSE Datasheet HTML 8Page - Linear Technology LTC3854EMSE Datasheet HTML 9Page - Linear Technology Next Button
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LTC3854

3854fa
Switching Waveforms at No Load
Switching Waveforms at High
Duty Cycle, No Load
Typical perForMance characTerisTics
Quiescent Current vs VIN
Quiescent Current vs Temperature
INTVCC vs Input Voltage
Maximum Current Sense Threshold
vs Sense Common Mode Voltage
Maximum Current Sense Threshold
vs Duty Cycle
Maximum Current Sense Voltage
vs Feedback Voltage
(Current Foldback)
BG
VOUT = 5V
IL
TG
1µs/DIV
3854 G06
BG
VOUT = 2.5V
IL
TG
2µs/DIV
3854 G07
VIN (V)
6
1.17
1.13
1.11
1.14
1.15
1.16
1.12
1.10
1.09
26
16
36
3854 G08
21
11
31
TEMPERATURE (°C)
–45
1.30
1.10
1.00
1.15
1.20
1.25
1.05
0.95
0.90
35
–5
75
3854 G09
95
15
–25
55
VIN (V)
4
5.05
5.00
4.90
4.95
4.85
4.80
24
14
34
3854 G10
39
19
9
29
COMMON MODE VOLTAGE (V)
0
60
56
48
50
52
54
58
42
44
46
40
4
2
6
3854 G11
7
3
1
5
DUTY CYCLE (%)
0
65
55
50
60
40
45
35
80
40
3854 G12
120
60
20
100
FB (V)
0.05
0
60
40
30
50
10
20
0
0.45
0.25
3854 G13
0.75
0.35
0.15
0.55 0.65


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