LM2672M-12 National Semiconductor, LM2672M-12 Datasheet - Page 2

• Manufacturer Part Number: LM2672M-12
• Description: DC/DC Converter IC
• Manufacturer: National Semiconductor

Specifications of LM2672M-12

• Input Voltage: 40V
• Output Current: 1A
• Output Voltage: 12V
• No. Of Pins: 8
• Mounting Type: Surface Mount
• Voltage Regulator Type: Switching
• Output Current Max: 1A
• Peak Reflow Compatible (260 C): No
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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Symbol
SYSTEM PARAMETERS Test Circuit Figure 2 (Note 3)
V
V
η
Symbol
SYSTEM PARAMETERS Test Circuit Figure 2 (Note 3)
V
V
η
Symbol
SYSTEM PARAMETERS Test Circuit Figure 2 (Note 3)
V
η
Symbol
SYSTEM PARAMETERS Test Circuit Figure 3 (Note 3)
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
face apply over full Operating Temperature Range.
LM2672-3.3
OUT
OUT
LM2672-5.0
OUT
OUT
LM2672-12
OUT
LM2672-ADJ
FB
FB
Supply Voltage
ON/OFF Pin Voltage
Switch Voltage to Ground
Boost Pin Voltage
Feedback Pin Voltage
ESD Susceptibility
Power Dissipation
Human Body Model (Note 2)
Output Voltage
Output Voltage
Efficiency
Output Voltage
Output Voltage
Efficiency
Output Voltage
Efficiency
Feedback
Voltage
Feedback
Voltage
Parameter
Parameter
Parameter
Parameter
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
Specifications with standard type face are for T
= 1A
= 1A
= 1A
Conditions
Conditions
Conditions
Conditions
LOAD
LOAD
LOAD
(Note 1)
LOAD
V
LOAD
LOAD
LOAD
FB
SW
SH
≤ 14V
= 20 mA to 1A
= 20 mA to 1A
= 20 mA to 1A
≤ 6V
+ 8V
= 20 mA to 1A
2 kV
−1V
= 20 mA to 500 mA
= 20 mA to 500 mA
= 20 mA to 500 mA
45V
2
Operating Ratings
Storage Temperature Range
Lead Temperature
M Package
N Package (Soldering, 10s)
Maximum Junction Temperature
Supply Voltage
Temperature Range
Vapor Phase (60s)
Infrared (15s)
(Note 4)
(Note 4)
(Note 4)
(Note 4)
Typical
Typical
Typical
1.210
1.210
Typ
3.3
3.3
5.0
5.0
86
90
12
94
J
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
= 25˚C, and those in bold type
(Note 5)
(Note 5)
(Note 5)
(Note 5)
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
−65˚C to +150˚C
(Note 5)
(Note 5)
(Note 5)
(Note 5)
Max
Max
Max
Max
6.5V to 40V
J
≤ +125˚C
+215˚C
+220˚C
+260˚C
+150˚C
Units
Units
Units
Units
%
%
%
V
V
V
V
V
V
V