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