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LTC3129 Datasheet(PDF) 7 Page - Analog Devices

Part # LTC3129
Description  40V, 1A Synchronous Buck-Boost DC/DC Converter with Programmable Output Current
PDF  34 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC3129 Datasheet(HTML) 7 Page - Analog Devices

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LTC3114-1
7
Rev. D
For more information www.analog.com
Inductor Overload Current Limit
Threshold vs Temperature
RUN Pin Threshold
vs Temperature
RUN Pin Current vs RUN Pin
Voltage
FB Voltage vs Temperature
Power Switch Resistance
vs Temperature
Inductor Current Limit Threshold
vs Temperature
TYPICAL PERFORMANCE CHARACTERISTICS (T
A = 25°C unless otherwise specified)
TEMPERATURE (°C)
–60
1.216
1.220
1.218
1.222
30
60
90
120
1.230
31141 G19
–30
0
150
1.226
1.224
1.228
VIN = 24V
RUN PIN VOLTAGE (V)
0
4
6
40
31141 G20
2
0
10
20
30
5
15
25
35
8
3
5
1
7
VIN = 12V
TEMPERATURE (°C)
–60
–0.40
–0.24
–0.32
–0.16
30
60
90
120
0.24
31141 G21
–30
0
150
0
–0.08
0.08
0.16
VIN = 24V
TEMPERATURE (°C)
–60
0.19
0.23
0.21
0.25
30
60
90
120
0.41
31141 G22
–30
0
150
0.31
0.27
0.35
0.39
0.29
0.33
0.37
VIN = 24V
TEMPERATURE (°C)
–60
1.650
1.700
1.675
1.725
30
60
90
120
1.800
31141 G23
–30
0
150
1.750
1.775
VIN = 24V
TEMPERATURE (°C)
–60
2.40
2.50
2.45
2.55
30
60
90
120
2.70
31141 G24
–30
0
150
2.60
2.65
VIN = 24V
Inductor Zero Current Threshold
vs Temperature
SW1/SW2 Minimum Low Times
vs Temperature
SW1/SW2 Minimum Low Times
vs LDO
TEMPERATURE (°C)
–60
100
106
103
109
30
60
90
120
115
31141 G25
–30
0
150
112
VIN = 24V
TEMPERATURE (°C)
–60
90
102
96
108
30
60
90
120
120
31141 G26
–30
0
150
114
VIN = 24V
LDO VOLTAGE (V)
2.7
130
140
150
5.5
31141 G27
120
110
90
3.4
4.1
4.8
100
170
160
IN APPLICATION



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