Datasheet
Table Of Contents
- Features
- Applications
- Description
- Absolute Maximum Ratings
- Operating Conditions
- LM2596-3.3 Electrical Characteristics
- LM2596-5.0 Electrical Characteristics
- LM2596-12 Electrical Characteristics
- LM2596-ADJ Electrical Characteristics
- All Output Voltage Versions Electrical Characteristics
- Typical Performance Characteristics
- Test Circuit and Layout Guidelines
- Application Information
- EXTERNAL COMPONENTS
- FEEDFORWARD CAPACITOR (Adjustable Output Voltage Version)
- OUTPUT CAPACITOR
- CATCH DIODE
- INDUCTOR SELECTION
- DISCONTINUOUS MODE OPERATION
- OUTPUT VOLTAGE RIPPLE AND TRANSIENTS
- OPEN CORE INDUCTORS
- THERMAL CONSIDERATIONS
- DELAYED STARTUP
- UNDERVOLTAGE LOCKOUT
- INVERTING REGULATOR
- INVERTING REGULATOR SHUTDOWN METHODS
- Revision History
LM2596
www.ti.com
SNVS124C –NOVEMBER 1999–REVISED APRIL 2013
Table 5. Capacitor Manufacturers Phone Numbers (continued)
AVX Corp. Phone (803) 448-9411
FAX (803) 448-1943
Sprague/Vishay Phone (207) 324-4140
FAX (207) 324-7223
Table 6. Diode Selection Table
VR 3A Diodes 4A–6A Diodes
Surface Mount Through Hole Surface Mount Through Hole
Schottky Ultra Fast Schottky Ultra Fast Schottky Ultra Fast Schottky Ultra Fast
Recovery Recovery Recovery Recovery
20V All of 1N5820 All of All of SR502 All of
these these these these
SK32 SR302 1N5823
diodes diodes diodes diodes
MBR320 SB520
are are are are
rated to rated to rated to rated to
30V 30WQ03 1N5821
at least at least at least at least
SK33 MBR330 50WQ03 SR503
50V. 50V. 50V. 50V.
31DQ03 1N5824
1N5822 SB530
40V SK34 SR304 50WQ04 SR504
MBRS340 MBR340 1N5825
30WQ04 MURS320 31DQ04 MUR320 MURS620 SB540 MUR620
50V SK35 30WF10 SR305 50WF10 HER601
or MBRS360 MBR350 50WQ05 SB550
More 30WQ05 31DQ05 50SQ080
Block Diagram
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