LM2594M-ADJ National Semiconductor, LM2594M-ADJ Datasheet - Page 11
LM2594M-ADJ
Manufacturer Part Number
LM2594M-ADJ
Description
SWITCHING REG 0.5A ADJ, SMD, 2594
Manufacturer
National Semiconductor
Datasheet
1.LM2594M-5.0.pdf
(28 pages)
Specifications of LM2594M-ADJ
Primary Input Voltage
40V
No. Of Outputs
1
Output Voltage
37V
Output Current
500mA
Voltage Regulator Case Style
SOIC
No. Of Pins
8
Operating Temperature Range
-40°C To +125°C
Svhc
No SVHC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
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Quantity:
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Part Number:
LM2594M-ADJ
Manufacturer:
NS/国半
Quantity:
20 000
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Part Number:
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Quantity:
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Company:
Part Number:
LM2594M-ADJ/NOPB
Manufacturer:
NS/TI
Quantity:
70
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
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(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