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LTC3111 Datasheet(PDF) 6 Page - Linear Technology

Part # LTC3111
Description  15V, 1.5A Synchronous Buck-Boost DC/DC Converter
PDF  32 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3111 Datasheet(HTML) 6 Page - Linear Technology

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LTC3111
6
3111fa
For more information www.linear.com/LTC3111
TYPICAL PERFORMANCE CHARACTERISTICS
RUN Threshold to Enable/Disable
VCC vs VIN
PWM Mode Input, Peak and
Reverse Current Limits vs
Temperature
Burst Mode Peak Current, IZERO
Limits vs Temperature
Feedback Pin Program Voltage
vs Temperature
RUN Threshold to Enable/Disable
VCC vs Temperature
VCC and VIN UVLO Voltage
Thresholds vs Temperature
RUN Threshold to Enable/Disable
Switching vs VIN
TA = 25°C, VIN = 5V, VOUT = 5V, unless otherwise specified
TEMPERATURE (°C)
–50
798.5
799.0
799.5
150
3111 G16
798.0
797.5
796.5
0
50
100
797.0
800.5
800.0
TEMPERATURE (°C)
–50
2.0
2.1
2.2
150
3111 G17
1.9
1.8
1.7
1.5
0
50
100
1.6
2.4
2.3
VCC UVLO RISING
VIN UVLO RISING
VCC UVLO FALLING
VIN UVLO FALLING
VIN (V)
2
0.80
0.90
1.00
10
3111 G18
0.70
0.60
0.75
0.85
0.95
0.65
0.55
0.50
4
6
8
12
3
11
5
7
9
13 14 15
RISING
FALLING
TEMPERATURE (°C)
–50
0.50
0.55
0.65
0.70
0.75
1.00
0.85
0
50
3111 G19
0.60
0.90
0.95
0.80
100
150
RISING
FALLING
VIN (V)
2
1.10
1.05
1.30
1.25
10
3111 G20
1.20
1.15
1.00
4
6
8
12
3
11
5
7
9
13 14 15
RISING
FALLING
TEMPERATURE (°C)
–50
1.10
1.05
1.20
1.30
100
3111 G21
1.15
1.25
1.00
0
50
150
RISING
FALLING
TEMPERATURE (°C)
–50
2
3
4
150
3111 G22
1
0
–2
0
50
100
–1
6
5
PEAK CURRENT LIMIT
INPUT CURRENT LIMIT
REVERSE CURRENT LIMIT
TEMPERATURE (°C)
–50
0
50
100
150
0.6
0.8
1.0
3111 G23
0.4
0.2
0.5
0.7
0.9
0.3
0.1
0
IZERO
PEAK CURRENT LIMIT
RUN Threshold to Enable/Disable
Switching vs Temperature



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