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LT1941 Datasheet(PDF) 6 Page - Linear Technology

Part # LT1941
Description  Triple Monolithic Switching Regulator
PDF  24 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1941 Datasheet(HTML) 6 Page - Linear Technology

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LT1941
1941f
TYPICAL PERFOR A CE CHARACTERISTICS
Switching Frequency
vs % of Feedback Voltage
TEMPERATURE (
°C)
–50
1.3
1.2
1.1
1.0
0.9
–25
0
25
50
1941 G13
75
100
125
% OF FEEDBACK VOLTAGE
0
0
0.2
0.4
0.6
0.8
1.0
1.2
20
40
60
80
1941 G14
100
TA = 25°C
TEMPERATURE (
°C)
–50
0
0.5
1.0
1.5
2.0
3.0
–25
025
50
1941 G15
75
100
125
2.5
IRUN/SS vs Temperature
RUN/SS Thresholds
vs Temperature
Minimum Input Voltage
VOUT2 = 5V
Minimum Input Voltage
VOUT2 = 3.3V
Frequency vs Temperature
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
TEMPERATURE (
°C)
–50
25
75
1941 G16
–25
0
50
100
125
TO SWITCH
TO RUN
LOAD CURRENT (mA)
1
5.0
7.0
7.5
8.0
10
100
1000
1941 G17
6.5
6.0
5.5
VIN TO START
DBOOST = CMDSH-3
TA = 25°C
VIN TO RUN
BOOST DIODE
TIED TO
OUTPUT
BOOST DIODE
TIED TO
INPUT
LOAD CURRENT (mA)
1
3.0
5.0
5.5
6.0
10
100
1000
1941 G18
4.5
4.0
3.5
VIN TO START
VIN TO RUN
BOOST DIODE
TIED TO
OUTPUT
BOOST DIODE
TIED TO
INPUT
DBOOST = CMDSH-3
TA = 25°C



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