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LTC3880 Datasheet(PDF) 8 Page - Linear Technology

Part # LTC3880
Description  Fast, Accurate, 2-Phase, Single-Output Step-Down DC/DC Controller
PDF  50 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3880 Datasheet(HTML) 8 Page - Linear Technology

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LTC3839
8
3839fa
TYPICAL PERFORMANCE CHARACTERISTICS
RUN Pin Thresholds
vs Temperature
RUN Pull-Up Currents
vs Temperature
TRACK/SS Pull-Up Currents
vs Temperature
INTVCC Undervoltage Lockout
Thresholds vs Temperature
Shutdown Current Into VIN Pin
vs Voltage on VIN Pin
Quiescent Current Into VIN Pin
vs Temperature
Current Sense Voltage
vs ITH Voltage
Maximum Current Sense Voltage
vs Temperature
Maximum Current Sense Voltage
vs Voltage on SENSE– Pin
ITH VOLTAGE (V)
0
–60
–40
0
20
40
1.6
120
3839 G28
–20
0.8
0.4
2
1.2
2.4
60
80
100
VRNG = 2V
VRNG = 1V
VRNG = 0.6V
FORCED CONTINUOUS MODE
TEMPERATURE (°C)
–50
0
20
40
60
80
050
100
150
3839 G29
100
120
–25
25
75
125
VRNG = 2V
VRNG = 1V
VRNG = 0.6V
SENSE PIN VOLTAGE (V)
–0.5
0
20
40
60
80
120
0.5
1.5
2.5
3.5
3839 G22
4.5
5.5
100
VRNG = 2V
VRNG = 1V
VRNG = 0.6V
TEMPERATURE (°C)
–50
0.8
1.2
150
3839 G30
0.4
0
0
50
100
–25
25
75
125
1.6
0.6
1.0
0.2
1.4
SWITCHING REGION
SHUTDOWN REGION
STAND-BY REGION
TEMPERATURE (°C)
–50
1.00
1.10
150
3839 G32
0.90
0.80
0
50
100
–25
25
75
125
1.20
0.95
1.05
0.85
1.15
TEMPERATURE (°C)
–50
3.3
3.5
3.7
3.9
4.1
050
100
150
3839 G33
4.3
4.5
–25
25
75
125
UVLO RELEASE
(INTVCC RISING)
UVLO LOCK
(INTVCC FALLING)
VIN (V)
0
20
30
40
3839 G34
10
0
10
20
30
5
15
25
35
40
15
25
5
35
130°C
25°C
–45°C
TEMPERATURE (°C)
–50
8
12
150
3839 G31
4
0
0
50
100
–25
25
75
125
16
6
10
2
14
RUN PIN ABOVE 1.2V
SWITCHING THRESHOLD
RUN PIN BELOW 1.2V
SWITCHING THRESHOLD
TEMPERATURE (°C)
–50
2.5
3.0
3.5
25
75
150
3839 G35
2.0
1.5
1.0
–25
0
50
100 125



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