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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
45V
ON/OFF Pin Voltage
0.1V
≤ V
SH ≤ 6V
Switch Voltage to Ground
1V
Boost Pin Voltage
V
SW +8V
Feedback Pin Voltage
0.3V
≤ V
FB ≤ 14V
ESD Susceptibility
Human Body Model (Note 2)
2 kV
Power Dissipation
Internally Limited
Storage Temperature Range
65C to +150C
Lead Temperature
M Package
Vapor Phase (60s)
+215C
Infrared (15s)
+220C
N Package (Soldering, 10s)
+260C
LLP Package (See AN-1187)
Maximum Junction Temperature
+150C
Operating Ratings
Supply Voltage
6.5V to 40V
Junction Temperature Range
40C
≤ T
J ≤ +125C
Electrical Characteristics
LM2675-3.3 Specifications with standard type face are for T
J = 25C, and those with bold type face apply over full
Operating Temperature Range.
Symbol
Parameter
Conditions
Typical
Min
Max
Units
(Note 4)
(Note 5)
SYSTEM PARAMETERS Test Circuit
Figure 2 (Note 3)
V
OUT
Output Voltage
V
IN = 8V to 40V, ILOAD = 20 mA to 1A
3.3
3.251/3.201
3.350/3.399
V
OUT
Output Voltage
V
IN = 6.5V to 40V, ILOAD = 20 mA to 500 mA
3.3
3.251/3.201
3.350/3.399
V
η
Efficiency
V
IN = 12V, ILOAD =1A
86
%
LM2675-5.0
Symbol
Parameter
Conditions
Typical
Min
Max
Units
(Note 4)
(Note 5)
SYSTEM PARAMETERS Test Circuit
Figure 2 (Note 3)
V
OUT
Output Voltage
V
IN = 8V to 40V, ILOAD = 20 mA to 1A
5.0
4.925/4.850
5.075/5.150
V
OUT
Output Voltage
V
IN = 6.5V to 40V, ILOAD = 20 mA to 500 mA
5.0
4.925/4.850
5.075/5.150
V
η
Efficiency
V
IN = 12V, ILOAD =1A
90
%
LM2675-12
Symbol
Parameter
Conditions
Typical
Min
Max
Units
(Note 4)
(Note 5)
SYSTEM PARAMETERS Test Circuit
Figure 2 (Note 3)
V
OUT
Output Voltage
V
IN = 15V to 40V, ILOAD = 20 mA to 1A
12
11.82/11.64
12.18/12.36
V
η
Efficiency
V
IN = 24V, ILOAD =1A
94
%
LM2675-ADJ
Symbol
Parameter
Conditions
Typ
Min
Max
Units
(Note 4)
(Note 5)
SYSTEM PARAMETERS Test Circuit
Figure 3 (Note 3)
V
FB
Feedback
Voltage
V
IN = 8V to 40V, ILOAD = 20mAto1A
V
OUT Programmed for 5V
(see Circuit of
Figure 3)
1.210
1.192/1.174
1.228/1.246
V
LM2675
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