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LTC3769_15 Datasheet, PDF (6/32 Pages) Linear Technology – 60V Low IQ Synchronous Boost Controller | |||
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LTC3769
Typical Performance Characteristics TA = 25°C unless otherwise noted.
Regulated Feedback Voltage
vs Temperature
1.212
1.209
1.206
1.203
1.200
1.197
1.194
1.191
1.188
â60 â35 â10 15 40 65 90
TEMPERATURE (°C)
115 140
3769 G09
Soft-Start Pull-Up Current
vs Temperature
11.0
10.5
10.0
9.5
9.0
â60 â35 â10 15 40 65 90
TEMPERATURE (°C)
115 140
3769 G10
Shutdown Current vs Temperature
6.0
VIN = 12V
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
â60 â35 â10 15 40 65 90
TEMPERATURE (°C)
115 140
3769 G11
Shutdown Current vs Input Voltage
12.5
VIN = 12V
10.0
7.5
5.0
2.5
0
5 10 15 20 25 30 35 40 45 50 55 60 65
INPUT VOLTAGE (V)
3769 G12
Quiescent Current vs Temperature
50
VIN = 12V
45 VFB = 1.25V
RUN = GND
40
35
30
25
20
15
10
â60 â35 â10 15 40 65 90
TEMPERATURE (°C)
115 140
3769 G13
Shutdown (RUN) Threshold
vs Temperature
1.40
1.35
1.30
RUN RISING
1.25
1.20
RUN FALLING
1.15
1.10
â60 â35 â10 15 40 65 90
TEMPERATURE (°C)
115 140
3769 G14
Undervoltage Lockout Threshold
vs Temperature
4.4
4.3
4.2
INTVCC RISING
4.1
4.0
3.9
INTVCC FALLING
3.8
3.7
3.6
3.5
3.4
â60 â35 â10 15 40 65 90 115 140
TEMPERATURE (°C)
3769 G15
INTVCC Line Regulation
5.5
5.4
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
0
5 10 15 20 25 30 35 40 45 50 55 60 65
INPUT VOLTAGE (V)
3769 G16
3769f
6
For more information www.linear.com/LTC3769
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