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
TYPICAL THROUGH HOLE PC BOARD LAYOUT, ADJUSTABLE OUTPUT (1X SIZE), DOUBLE SIDED
C
IN
—470 μF, 50V, Aluminum Electrolytic Panasonic, “HFQ Series”
C
OUT
—220 μF, 35V Aluminum Electrolytic Panasonic, “HFQ Series”
D1—5A, 40V Schottky Rectifier, 1N5825
L1—47 μH, L39, Renco, Through Hole
R
1
—1 kΩ, 1%
R
2
—Use formula in Design Procedure
C
FF
—See Table 2.
Thermalloy Heat Sink #7020
Figure 41. PC Board Layout
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