LM2672MX-ADJEP NSC [National Semiconductor], LM2672MX-ADJEP Datasheet - Page 3

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LM2672MX-ADJEP

Manufacturer Part Number
LM2672MX-ADJEP
Description
Enhanced Plastic SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator with Features
Manufacturer
NSC [National Semiconductor]
Datasheet
Symbol
SYSTEM PARAMETERS Test Circuit Figure 2 (Note 6)
V
V
η
Symbol
SYSTEM PARAMETERS Test Circuit Figure 2 (Note 6)
V
V
η
Symbol
SYSTEM PARAMETERS Test Circuit Figure 2 (Note 6)
V
η
Symbol
SYSTEM PARAMETERS Test Circuit Figure 3 (Note 6)
V
V
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
LM2672-3.3EP
full Operating Temperature Range.
OUT
OUT
LM2672-5.0EP
OUT
OUT
LM2672-12EP
OUT
LM2672-ADJEP
FB
FB
Supply Voltage
ON/OFF Pin Voltage
Switch Voltage to Ground
Boost Pin Voltage
Feedback Pin Voltage
ESD Susceptibility
Power Dissipation
Storage Temperature Range
Human Body Model (Note 5)
Output Voltage
Output Voltage
Efficiency
Output Voltage
Output Voltage
Efficiency
Output Voltage
Efficiency
Feedback
Voltage
Feedback
Voltage
Parameter
Parameter
Parameter
Parameter
Specifications with standard type face are for T
V
V
V
V
V
V
V
V
V
V
(see Circuit of Figure 3)
V
V
(see Circuit of Figure 3)
IN
IN
IN
IN
IN
IN
IN
IN
IN
OUT
IN
OUT
= 8V to 40V, I
= 6.5V to 40V, I
= 12V, I
= 8V to 40V, I
= 6.5V to 40V, I
= 12V, I
= 15V to 40V, I
= 24V, I
= 8V to 40V, I
= 6.5V to 40V, I
Programmed for 5V
Programmed for 5V
−0.3V ≤ V
−0.1V ≤ V
LOAD
LOAD
LOAD
Internally Limited
−65˚C to +150˚C
= 1A
= 1A
= 1A
Conditions
Conditions
Conditions
Conditions
(Note 4)
LOAD
LOAD
LOAD
LOAD
V
LOAD
LOAD
LOAD
FB
SW
SH
≤ 14V
= 20 mA to 1A
= 20 mA to 1A
= 20 mA to 1A
+ 8V
≤ 6V
= 20 mA to 1A
2 kV
−1V
= 20 mA to 500 mA
= 20 mA to 500 mA
= 20 mA to 500 mA
45V
3
Operating Ratings
Lead Temperature
M Package
N Package (Soldering, 10s)
LLP Package (see AN-1187)
Maximum Junction Temperature
Supply Voltage
Temperature Range
Vapor Phase (60s)
Infrared (15s)
J
= 25˚C, and those in bold type face apply over
(Note 7)
(Note 7)
(Note 7)
(Note 7)
Typical
Typical
Typical
1.210
1.210
Typ
3.3
3.3
5.0
5.0
86
90
12
94
3.251/3.201
3.251/3.201
4.925/4.850
4.925/4.850
11.82/11.64
1.192/1.174
1.192/1.174
(Note 8)
(Note 8)
(Note 8)
(Note 8)
Min
Min
Min
Min
−40˚C ≤ T
3.350/3.399
3.350/3.399
5.075/5.150
5.075/5.150
12.18/12.36
1.228/1.246
1.228/1.246
(Note 8)
(Note 8)
(Note 8)
(Note 8)
Max
Max
Max
Max
6.5V to 40V
J
www.national.com
≤ +125˚C
+215˚C
+220˚C
+260˚C
+150˚C
Units
Units
Units
Units
%
%
%
V
V
V
V
V
V
V

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