LM2595S-3.3 National Semiconductor, LM2595S-3.3 Datasheet - Page 3

• Manufacturer Part Number: LM2595S-3.3
• Description: IC, STEP-DOWN REGULATOR, TO-263-5
• Manufacturer: National Semiconductor

Specifications of LM2595S-3.3

• Primary Input Voltage: 12V
• No. Of Outputs: 1
• Output Voltage: 3.3V
• Output Current: 1A
• No. Of Pins: 5
• Operating Temperature Range: -25°C To +125°C
• Supply Voltage Range: 4.5V To 40V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Symbol
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
Symbol
Symbol
LM2595-3.3
Electrical Characteristics
LM2595-5.0
Electrical Characteristics
LM2595-12
Electrical Characteristics
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.
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
OUT
OUT
OUT
(Steady State)
Output Voltage
Efficiency
Output Voltage
Efficiency
Output Voltage
Efficiency
Parameter
Parameter
Parameter
4.75V
V
15V
V
7V
V
IN
IN
IN
= 12V, I
= 25V, I
= 12V, I
V
V
IN
V
IN
−65˚C to +150˚C
−0.3
−0.3
Internally limited
IN
LOAD
40V, 0.1A
(Note 1)
J
LOAD
J
LOAD
J
40V, 0.1A
40V, 0.1A
= 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-
Conditions
Conditions
Conditions
V
V
= 1A
= 1A
= 1A
+25V
+25V
−1V
45V
I
LOAD
I
LOAD
I
LOAD
3
Lead Temperature
S Package
T Package (Soldering, 10 sec.)
Maximum Junction Temperature
Operating Conditions
Temperature Range
Supply Voltage
1A
1A
Human Body Model (Note 2)
Vapor Phase (60 sec.)
Infrared (10 sec.)
1A
(Note 3)
(Note 3)
(Note 3)
Typ
12.0
5.0
Typ
82
90
Typ
3.3
78
LM2595-5.0
LM2595-12
LM2595-3.3
4.800/4.750
5.200/5.250
11.52/11.40
12.48/12.60
3.168/3.135
3.432/3.465
(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)
Units
Units
+215˚C
+245˚C
+260˚C
+150˚C
+125˚C
Units
%
%
V
%
V
V
2 kV