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LT1339CSW Datasheet(PDF) 6 Page - Linear Technology

Part # LT1339CSW
Description  High Power Synchronous DC/DC Controller
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1339CSW Datasheet(HTML) 6 Page - Linear Technology

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6
LT1339
TEMPERATURE (
°C)
–50
1.01
1.00
0.99
0.98
25
75
1339 G24
–25
0
50
100
125
TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE (
°C)
–50
60
55
50
45
40
35
30
25
75
1339 G20
–25
0
50
100
125
VCMSENSE = 10V
Sense Amplifier Input Bias
Current (Sink) vs Temperature
UVLO Thresholds vs Temperature
Sense Amplifier Input Bias
Current (Source) vs Temperature
RUN/SHDN INPUT VOLTAGE (V)
0
2.5
2.0
1339 G22
0.5
1.0
1.5
(1.25)
800
700
600
500
400
300
200
100
0
TYPICAL
UPPER
LIMIT
FULL OPERATING
TEMPERATURE
RANGE
LOWER
LIMIT
RUN/SHDN Input Current
vs Pin Voltage
Operating Frequency (Normalized)
vs Temperature
TEMPERATURE (
°C)
–50
100
1339 G18
050
10.00
9.75
9.50
9.25
9.00
8.75
8.50
8.25
8.00
–25
25
75
125
RISING
FALLING
RUN/SHDN SUPPLY VOLTAGE (V)
0
600
450
300
150
0
24
6
8
1339 G23
10
12
UPPER
LIMIT
LOWER
LIMIT
TYPICAL
FULL OPERATING
TEMPERATURE
RANGE
RUN/SHDN Input Current
vs Pin Voltage
Maximum Duty Cycle vs RCT
RCT (kΩ)
12
4
6
100
90
80
70
60
50
40
30
20
10
0
10
20
40 60
100
1339 G21
IDISCHG = 2.1mA
IDISCHG = 2.75mA
FULL OPERATING
TEMPERATURE
RANGE
TEMPERATURE (
°C)
–50
100
1339 G19
050
1200
1100
1000
900
800
700
600
500
400
–25
25
75
125
VCMSENSE = 0V


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