LM2594M-12 National Semiconductor, LM2594M-12 Datasheet - Page 3

IC, STEP-DOWN REGULATOR, 8-SOIC

LM2594M-12

Manufacturer Part Number
LM2594M-12
Description
IC, STEP-DOWN REGULATOR, 8-SOIC
Manufacturer
National Semiconductor
Datasheet

Specifications of LM2594M-12

Primary Input Voltage
25V
No. Of Outputs
1
Output Voltage
12V
Output Current
500mA
No. Of Pins
8
Operating Temperature Range
-40°C To +125°C
Supply Voltage Range
4.5V To 40V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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Symbol
SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1
V
Symbol
Symbol
SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1
V
SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1
V
LM2594/LM2594HV-3.3
Electrical Characteristics
LM2594/LM2594HV-5.0
Electrical Characteristics
LM2594/LM2594HV-12
Electrical Characteristics
Specifications with standard type face are for T
ture Range.V
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
LM2594
LM2594HV
ON /OFF Pin Input Voltage
Feedback Pin Voltage
Output Voltage to Ground
Power Dissipation
Storage Temperature Range
ESD Susceptibility
Specifications with standard type face are for T
ture Range
OUT
OUT
OUT
(Steady State)
Output Voltage
Efficiency
Output Voltage
Efficiency
Output Voltage
Efficiency
INmax
Parameter
Parameter
Parameter
= 40V for the LM2594 and 60V for the LM2594HV.
4.75V
V
15V
V
7V
V
IN
IN
IN
= 12V, I
= 25V, I
= 12V, I
V
V
IN
V
IN
IN
−65˚C to +150˚C
−0.3
Internally limited
−0.3
LOAD
V
LOAD
LOAD
V
(Note 1)
J
J
J
INmax
V
INmax
= 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-
INmax
Conditions
Conditions
Conditions
V
= 0.5A
V +25V
= 0.5A
= 0.5A
, 0.1A
, 0.1A
, 0.1A
+25V
45V
60V
−1V
I
LOAD
I
LOAD
I
3
LOAD
Lead Temperature
M8 Package
N Package (Soldering, 10 sec.)
Maximum Junction Temperature
Operating Conditions
Temperature Range
Supply Voltage
0.5A
Human Body Model (Note 2)
Vapor Phase (60 sec.)
Infrared (15 sec.)
0.5A
0.5A
LM2594HV
LM2594
(Note 3)
(Note 3)
(Note 3)
LM2594/LM2594HV-5.0
Typ
12.0
Typ
5.0
LM2594/LM2594HV-12
82
LM2594/LM2594HV-3.3
88
Typ
3.3
80
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
4.5V to 40V
4.5V to 60V
www.national.com
T
J
(Limits)
(Limits)
(Limits)
V(max)
V(max)
V(max)
V(min)
V(min)
V(min)
Units
Units
+215˚C
+220˚C
+260˚C
+150˚C
+125˚C
Units
%
%
%
V
V
V
2 kV

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