LM2596S-12 National Semiconductor, LM2596S-12 Datasheet - Page 3

• Manufacturer Part Number: LM2596S-12
• Description: DC/DC Converter IC
• Manufacturer: National Semiconductor

Specifications of LM2596S-12

• Input Voltage: 40V
• Output Current: 3A
• Output Voltage: 12V
• No. Of Pins: 5
• Termination Type: SMD
• Mounting Type: Through Hole
• Voltage Regulator Type: Buck Switching
• Output Current Max: 3A
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1
V
SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1
V
SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1
V
Specifications with standard type face are for T
ture Range
Specifications with standard type face are for T
ture Range
Specifications with standard type face are for T
ture Range
OUT
OUT
OUT
LM2596-3.3
Electrical Characteristics
Symbol
LM2596-5.0
Electrical Characteristics
Symbol
LM2596-12
Electrical Characteristics
Symbol
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Maximum Supply Voltage
ON /OFF Pin Input Voltage
Feedback Pin Voltage
Output Voltage to Ground
Power Dissipation
Storage Temperature Range
ESD Susceptibility
(Steady State)
Output Voltage
Efficiency
Output Voltage
Efficiency
Output Voltage
Efficiency
Parameter
Parameter
Parameter
4.75V
V
7V
V
15V
V
IN
IN
IN
= 12V, I
= 12V, I
= 12V, I
V
V
IN
IN
V
−65˚C to +150˚C
−0.3
Internally limited
IN
−0.3
40V, 0.2A
LOAD
LOAD
LOAD
J
J
J
40V, 0.2A
(Note 1)
= 25˚C, and those with boldface type apply over full Operating Tempera-
= 25˚C, and those with boldface type apply over full Operating Tempera-
= 25˚C, and those with boldface type apply over full Operating Tempera-
40V, 0.2A
Conditions
Conditions
Conditions
V
V +25V
= 3A
= 3A
= 3A
+25V
45V
−1V
I
LOAD
I
LOAD
I
LOAD
3
3A
Lead Temperature
S Package
T Package (Soldering, 10 sec.)
Maximum Junction Temperature
Operating Conditions
Temperature Range
Supply Voltage
3A
Human Body Model (Note 2)
Vapor Phase (60 sec.)
Infrared (10 sec.)
3A
(Note 3)
(Note 3)
(Note 3)
12.0
Typ
Typ
Typ
3.3
5.0
73
80
90
LM2596-3.3
LM2596-5.0
LM2596-12
3.168/3.135
3.432/3.465
4.800/4.750
5.200/5.250
11.52/11.40
12.48/12.60
(Note 4)
(Note 4)
(Note 4)
Limit
Limit
Limit
−40˚C
www.national.com
T
4.5V to 40V
J
(Limits)
(Limits)
(Limits)
V(max)
V(max)
V(max)
V(min)
V(min)
V(min)
+215˚C
+245˚C
+260˚C
+150˚C
Units
Units
Units
+125˚C
%
%
%
V
V
V
2 kV