LM2594M-5.0 National Semiconductor, LM2594M-5.0 Datasheet - Page 11
![IC, STEP-DOWN REGULATOR, 8-SOIC](/photos/18/97/189768/3778330_sml.jpg)
LM2594M-5.0
Manufacturer Part Number
LM2594M-5.0
Description
IC, STEP-DOWN REGULATOR, 8-SOIC
Manufacturer
National Semiconductor
Datasheet
1.LM2594MX-5.0NOPB.pdf
(28 pages)
Specifications of LM2594M-5.0
Primary Input Voltage
12V
No. Of Outputs
1
Output Voltage
5V
Output Current
500mA
No. Of Pins
8
Operating Temperature Range
-40°C To +125°C
Supply Voltage Range
4.5V To 40V
Termination Type
SMD
Dc To Dc Converter Type
Inverting/Step Down
Number Of Outputs
1
Pin Count
8
Input Voltage
40V
Switching Freq
173kHz
Efficiency
82%
Package Type
SOIC N
Output Type
Fixed
Switching Regulator
Yes
Mounting
Surface Mount
Input Voltage (min)
4.5V
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Filter Terminals
SMD
Rohs Compliant
No
Input Voltage Primary Max
40V
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM2594M-5.0
Manufacturer:
NS
Quantity:
5 000
Company:
Part Number:
LM2594M-5.0
Manufacturer:
NS
Quantity:
10
Part Number:
LM2594M-5.0
Manufacturer:
NS/国半
Quantity:
20 000
Company:
Part Number:
LM2594M-5.0/NOPB
Manufacturer:
TI
Quantity:
4 540
Company:
Part Number:
LM2594M-5.0/NOPB
Manufacturer:
NS
Quantity:
480
Part Number:
LM2594M-5.0/NOPB
Manufacturer:
NS/国半
Quantity:
20 000
LM2594/LM2594HV Series Buck Regulator Design Procedure (Fixed
Output)
LM2594/LM2594HV Series Buck Regulator Design Procedure (Adjustable
Output)
Given:
V
V
I
F = Switching Frequency (Fixed at a nominal 150 kHz).
LOAD
OUT
IN
Voltage
Output
PROCEDURE (Adjustable Output Voltage Version)
(max) = Maximum Input Voltage
(V)
3.3
12
5
(max) = Maximum Load Current
= Regulated Output Voltage
Conditions
Current
(Continued)
Load
(A)
0.5
0.2
0.5
0.2
0.5
0.2
FIGURE 2. LM2594/LM2594HV Fixed Voltage Quick Design Component Selection Table
Max Input
Voltage
(V)
10
40
10
40
10
15
40
20
40
15
18
30
40
15
20
40
5
7
6
8
9
Inductance
(µH)
100
150
220
100
150
150
220
330
150
220
330
100
220
330
33
47
68
68
47
68
68
Inductor
Inductor
L14
L13
L21
L20
L10
L13
L21
L20
L19
L10
L21
L19
L27
L26
L11
L17
( # )
L4
L9
L9
L8
L9
11
Given:
V
V
I
F = Switching Frequency (Fixed at a nominal 150 kHz).
LOAD
HFQ Series
Panasonic
OUT
IN
(max) = 28V
220/16
120/25
120/25
120/35
120/25
120/16
120/16
180/16
180/16
120/25
120/25
120/16
120/16
(µF/V)
82/16
82/25
82/25
82/25
82/25
82/25
82/25
82/25
EXAMPLE (Adjustable Output Voltage Version)
(max) = 0.5A
= 20V
Through Hole
PL Series
Nichicon
220/16
120/25
120/25
120/35
120/25
120/16
120/16
180/16
180/16
120/25
120/25
120/16
120/16
(µF/V)
82/16
82/25
82/25
82/25
82/25
82/25
82/25
82/25
Output Capacitor
AVX TPS
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
100/16
Series
(µF/V)
Surface Mount
595D Series
Sprague
100/6.3
100/6.3
100/6.3
100/6.3
100/6.3
100/6.3
100/6.3
www.national.com
(µF/V)
33/25
33/25
33/25
33/25
33/25
33/25
33/25
15/25
15/25
15/25
15/25
15/25
15/25
15/25