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LT1680CSW Datasheet(PDF) 5 Page - Linear Technology

Part # LT1680CSW
Description  High Power DC/DC Step-Up Controller
Download  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1680CSW Datasheet(HTML) 5 Page - Linear Technology

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5
LT1680
TYPICAL PERFORMANCE CHARACTERISTICS
Error Amplifier Source Current
vs Temperature
SS Output Current
vs Temperature
Average Current Limit Threshold
Sense Voltage vs Common Mode
Voltage
TEMPERATURE (
°C)
–50
350
325
300
275
250
225
200
25
75
1680 G10
–25
0
50
100
125
TEMPERATURE (
°C)
–50
9
8
7
6
25
75
1680 G11
–25
0
50
100
125
RUN/SHDN Rising Threshold
vs Temperature
TEMPERATURE (
°C)
–50
1.26
1.25
1.24
1.23
1.22
1.21
1.20
25
75
1680 G12
–25
0
50
100
125
RUN/SHDN Threshold Hysteresis
vs Temperature
TEMPERATURE (
°C)
–50
14
13
12
11
10
9
8
25
75
1680 G13
–25
0
50
100
125
VSENSE(CM) (V)
0
45
60
1680 G14
1
2
3
160
150
140
130
120
110
100
90
80
UPPER LIMIT
FULL OPERATING
TEMPERATURE RANGE
TYPICAL
LOWER LIMIT
UVLO Thresholds vs Temperature
TEMPERATURE (
°C)
–50
100
1680 G15
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
Sense Amplifier Input Bias
Current (Source) vs Temperature
RUN/SHDN Input Current
vs Pin Voltage
TEMPERATURE (
°C)
–50
100
1680 G16
050
1200
1100
1000
900
800
700
600
500
400
–25
25
75
125
VCMSENSE = 0V
Sense Amplifier Input Bias
Current (Sink) vs Temperature
TEMPERATURE (
°C)
–50
60
55
50
45
40
35
30
25
75
1680 G17
–25
0
50
100
125
VCMSENSE = 10V
RUN/SHDN PIN VOLTAGE (V)
0
2.0
1680 G18
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


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