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LTC3853EUJ Datasheet(PDF) 7 Page - Linear Technology

Part # LTC3853EUJ
Description  Triple Output, Multiphase Synchronous Step-Down Controller
Download  36 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3853EUJ Datasheet(HTML) 7 Page - Linear Technology

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LTC3853
7
3853f
TYPICAL PERFORMANCE CHARACTERISTICS
TK/SS Pull-Up Current
vs Temperature
Shutdown (RUN) Threshold
vs Temperature
Regulated Feedback Voltage
vs Temperature
Oscillator Frequency
vs Temperature
Undervoltage Lockout Threshold
(INTVCC) vs Temperature
Oscillator Frequency
vs Input Voltage
TEMPERATURE (°C)
–50
–25
1.25
1.45
1.75
0
50
75
3853 G17
1.35
1.65
1.55
25
100
125
TEMPERATURE (°C)
–50
1.0
1.1
1.2
1.3
1.4
–25
0
25
50
ON
3853 G18
OFF
75
100
125
TEMPERATURE (°C)
–50
806
804
802
800
798
796
794
25
75
3853 G19
–25
0
50
100
TEMPERATURE (°C)
–50
600
700
900
25
75
3853 G20
500
400
–25
0
50
100
125
300
200
800
VFREQ = INTVCC
VFREQ = 1.2V
VFREQ = 0V
TEMPERATURE (°C)
–50
3.75
4.00
4.25
25
75
150
3853 G21
3.50
3.25
3.00
–25
0
50
100 125
RISING
FALLING
INPUT VOLTAGE (V)
5
400
450
25
3853 G22
350
300
10
15
20
500
Shutdown Current
vs Input Voltage
Shutdown Current
vs Temperature
Quiescent Current
vs Temperature Without EXTVCC
INPUT VOLTAGE (V)
5
40
50
25
3853 G23
30
20
10
15
20
60
TEMPERATURE (°C)
–50
–25
20
40
70
0
50
75
3853 G24
30
60
50
25
100
125
VIN = 12V
TEMPERATURE (˚C)
–50
5
6
25
75
3853 G25
4
–25
0
50
100
125
3


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