LM2597M-12 National Semiconductor, LM2597M-12 Datasheet - Page 18

• Manufacturer Part Number: LM2597M-12
• Description: IC, STEP-DOWN REGULATOR, 8-SOIC
• Manufacturer: National Semiconductor

Specifications of LM2597M-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

www.national.com
LM2597/LM2597HV Series Buck Regulator Design Procedure
Block Diagram
more
20V
30V
40V
50V
VR
or
MBRS130
MBRS140
10BQ040
10MQ040
MBRS160
10BQ050
10MQ060
MBRS1100
SGL41-60
10MQ090
Schottky
SS16
Surface Mount
All of these diodes are rated to
at least 60V.
Ultra Fast
Recovery
MURS120
10BF10
FIGURE 10. Diode Selection Table
FIGURE 11.
1A Diodes
18
1N5817
SR102
1N5818
SR103
11DQ03
1N5819
SR104
11DQ04
SR105
MBR150
11DQ05
Schottky
MBR160
11DQ10
SB160
All of these diodes are rated to
Through Hole
at least 60V.
Ultra Fast
Recovery
MUR120
HER101
11DF1
(Continued)
DS012440-26