LM2597M-3.3/NOPB National Semiconductor, LM2597M-3.3/NOPB Datasheet - Page 17
![IC REG SIMPLE SWITCHER 8-SOIC](/photos/7/60/76081/lm2597m-3_3_nopb_sml.jpg)
LM2597M-3.3/NOPB
Manufacturer Part Number
LM2597M-3.3/NOPB
Description
IC REG SIMPLE SWITCHER 8-SOIC
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Down (Buck)r
Datasheet
1.LM2597M-3.3NOPB.pdf
(34 pages)
Specifications of LM2597M-3.3/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V
Current - Output
500mA
Frequency - Switching
150kHz
Voltage - Input
4.5 ~ 40 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Output Current
500mA
Output Voltage
3.3V
No. Of Outputs
1
Supply Voltage Range
4.5V To 40V
No. Of Pins
8
Operating Temperature Range
-40°C To +125°C
Primary Input Voltage
12V
Rohs Compliant
Yes
Termination Type
SMD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Other names
*LM2597M-3.3
*LM2597M-3.3/NOPB
LM2597M-3.3
*LM2597M-3.3/NOPB
LM2597M-3.3
LM2597/LM2597HV Series Buck Regulator Design Procedure
Coilcraft Inc.
Coilcraft Inc., Europe
Pulse Engineering Inc.
Pulse Engineering Inc.,
Europe
Renco Electronics Inc.
Schott Corp.
L1
L2
L3
L4
L5
L6
L7
L8
L9
L10
L11
L12
L13
L14
L15
L16
L17
L18
L19
L20
L21
L26
L27
FIGURE 8. Inductor Manufacturers Phone Numbers
Induc-
tance
(µH)
220
150
100
330
220
150
100
330
220
150
100
330
220
68
47
33
22
68
47
33
22
15
68
Cur-
rent
0.18
0.21
0.26
0.32
0.37
0.44
0.60
0.26
0.32
0.39
0.48
0.58
0.70
0.83
0.99
1.24
0.42
0.55
0.66
0.82
0.99
0.80
1.00
(A)
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
67143910
67143920
67143930
67143940
67148310
67148320
67148330
67143950
67143960
67143970
67143980
67143990
67144000
67148340
67148350
67148360
67144030
67144040
67144050
67144060
67144070
67144100
67144110
Through
Hole
FIGURE 7. Inductor Manufacturers Part Numbers
Schott
(800) 322-2645
(708) 639-1469
+44 1236 730 595
+44 1236 730 627
(619) 674-8100
(619) 674-8262
+353 93 24 107
+353 93 24 459
(800) 645-5828
(516) 586-5562
(612) 475-1173
(612) 475-1786
67144280 RL-5470-3
67144290 RL-5470-4
67144300 RL-5470-5
67144310 RL-1284-68
67148420 RL-1284-47
67148430 RL-1284-33
67148440 RL-1284-22
67144320 RL-5470-2
67144330 RL-5470-3
67144340 RL-5470-4
67144350 RL-5470-5
67144360 RL-5470-6
67144380 RL-5470-7
67148450 RL-1284-33
67148460 RL-1284-22
67148470 RL-1284-15
67144410 RL-5471-1
67144420 RL-5471-2
67144430 RL-5471-3
67144440 RL-5471-4
67144450 RL-5471-5
67144480 RL-5471-1
67144490 RL-5471-2
Surface
Mount
Through
Hole
17
Renco
Nichicon Corp.
Panasonic
AVX Corp.
Sprague/Vishay
FIGURE 9. Capacitor Manufacturers Phone Numbers
RL1500-220 PE-53801 PE-53801-S DO1608-224
RL1500-150 PE-53802 PE-53802-S DO1608-154
RL1500-100 PE-53803 PE-53803-S DO1608-104
RL1500-68
RL1500-47
RL1500-33
RL1500-22
RL1500-330 PE-53808 PE-53808-S DO3308-334
RL1500-220 PE-53809 PE-53809-S DO3308-224
RL1500-150 PE-53810 PE-53810-S DO3308-154
RL1500-100 PE-53811 PE-53811-S DO3308-104
RL1500-68
RL1500-47
RL1500-33
RL1500-22
RL1500-15
RL1500-330 PE-53817 PE-53817-S DO3316-334
RL1500-220 PE-53818 PE-53818-S DO3316-224
RL1500-150 PE-53819 PE-53819-S DO3316-154
RL1500-100 PE-53820 PE-53820-S DO3316-104
RL1500-68
Surface
Mount
—
—
PE-53804 PE-53804-S DO1608-68
PE-53805 PE-53805-S DO1608-473
PE-53806 PE-53806-S DO1608-333
PE-53807 PE-53807-S DO1608-223
PE-53812 PE-53812-S DO1608-683
PE-53813 PE-53813-S DO3308-473
PE-53814 PE-53814-S DO1608-333
PE-53815 PE-53815-S DO1608-223
PE-53816 PE-53816-S DO1608-153
PE-53821 PE-53821-S DDO3316-683
PE-53826 PE-53826-S
PE-53827 PE-53827-S
Through
Pulse Engineering
Hole
Phone
FAX
Phone
FAX
Phone
FAX
Phone
FAX
Surface
Mount
(Continued)
(708) 843-7500
(708) 843-2798
(714) 373-7857
(714) 373-7102
(803) 448-9411
(803) 448-1943
(207) 324-7223
(207) 324-4140
Coilcraft
Surface
Mount
www.national.com
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