LM2596SX-12/NOPB National Semiconductor, LM2596SX-12/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM2596SX-12/NOPB
• Description: IC REG SW 12V 3A STP DN TO-263-5
• Manufacturer: National Semiconductor
• Series: SIMPLE SWITCHER®r
• Type: Step-Down (Buck)r

Specifications of LM2596SX-12/NOPB

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 12V
• Current - Output: 3A
• Frequency - Switching: 150kHz
• Voltage - Input: 4.5 ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: D²Pak, TO-263 (5 leads + tab)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2596SX-12; *LM2596SX-12/NOPB; LM2596SX-12

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
OUT
OUT
OUT
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
LM2596-3.3
Electrical Characteristics
Specifications with standard type face are for T
ture Range
LM2596-5.0
Electrical Characteristics
Specifications with standard type face are for T
ture Range
LM2596-12
Electrical Characteristics
Specifications with standard type face are for T
ture Range
Symbol
Symbol
Symbol
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
= 25V, I
V
V
IN
−65˚C to +150˚C
−0.3
IN
Internally limited
V
−0.3
IN
40V, 0.2A
LOAD
LOAD
LOAD
40V, 0.2A
J
J
J
(Note 1)
40V, 0.2A
V
= 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-
V +25V
Conditions
Conditions
Conditions
= 3A
= 3A
= 3A
+25V
−1V
45V
I
LOAD
I
LOAD
I
LOAD
3
3A
Operating Conditions
3A
Temperature Range
Supply Voltage
Lead Temperature
S Package
T Package (Soldering, 10 sec.)
Maximum Junction Temperature
3A
Human Body Model (Note 2)
Vapor Phase (60 sec.)
Infrared (10 sec.)
(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
T
4.5V to 40V
J
www.national.com
(Limits)
(Limits)
(Limits)
+215˚C
+245˚C
+260˚C
+150˚C
+125˚C
V(max)
V(max)
V(max)
V(min)
V(min)
V(min)
Units
Units
Units
2 kV
%
%
%
V
V
V