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Power Circuits / Switching Regulator or Controllers / LM2596S-3.3
Datasheets
LM2596S-3.3 by:

IC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO5, TO-263, SMT-5, Switching Regulator or Controller

Part Details for LM2596S-3.3 by National Semiconductor Corporation

Results Overview of LM2596S-3.3 by National Semiconductor Corporation

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LM2596S-3.3 Information

LM2596S-3.3 by National Semiconductor Corporation is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Available Datasheets

Part # Manufacturer Description Datasheet
LM2596SX-3.3/NOPB Texas Instruments SIMPLE SWITCHER® 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263
LM2596S-5.0 Texas Instruments SIMPLE SWITCHER® 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263
LM2596SX-5.0/NOPB Texas Instruments SIMPLE SWITCHER® 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263

Price & Stock for LM2596S-3.3

Part # Distributor Description Stock Price Buy
Bristol Electronics   72
RFQ
Bristol Electronics   42
RFQ
Bristol Electronics   Min Qty: 2 4
  • 2 $4.9280
$4.9280 Buy Now
Rochester Electronics LM2596 SIMPLE SWITCHER 4.5V to 40V, 3A Low Component Count Step-Down Regulator RoHS: Not Compliant Status: End of Life / Last Time Buy Min Qty: 1 114
  • 1 $5.2900
  • 25 $5.1800
  • 100 $4.9700
  • 500 $4.7600
  • 1,000 $4.5000
$4.5000 / $5.2900 Buy Now

Part Details for LM2596S-3.3

LM2596S-3.3 CAD Models

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LM2596S-3.3 Part Data Attributes

Parametric Data
LM2596S-3.3 National Semiconductor Corporation
Buy Now Datasheet
Compare Parts:
LM2596S-3.3 National Semiconductor Corporation IC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO5, TO-263, SMT-5, Switching Regulator or Controller
Rohs Code No
Part Life Cycle Code Transferred
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP
Package Description TO-263, SMT-5
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE
Input Voltage-Max 40 V
Input Voltage-Min 4.5 V
Input Voltage-Nom 12 V
JESD-30 Code R-PSSO-G5
JESD-609 Code e0
Length 10.16 mm
Moisture Sensitivity Level 3
Number of Functions 1
Number of Terminals 5
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current-Max 7.5 A
Output Voltage-Nom 3.3 V
Package Body Material PLASTIC/EPOXY
Package Code TO-263
Package Equivalence Code SMSIP5H,.6,67TB
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 235
Qualification Status Not Qualified
Seated Height-Max 4.8 mm
Supply Current-Max (Isup) 10 mA
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 173 kHz
Technology BIPOLAR
Temperature Grade AUTOMOTIVE
Terminal Finish Tin/Lead (Sn/Pb)
Terminal Form GULL WING
Terminal Pitch 1.7 mm
Terminal Position SINGLE
Time@Peak Reflow Temperature-Max (s) 30
Width 8.635 mm

Alternate Parts for LM2596S-3.3

This table gives cross-reference parts and alternative options found for LM2596S-3.3. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM2596S-3.3, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
LM2596SX-3.3/NOPB National Semiconductor Corporation Check for Price IC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO5, TO-263, SMT-5, Switching Regulator or Controller LM2596S-3.3 vs LM2596SX-3.3/NOPB
LM2596SX-3.3/NOPB Rochester Electronics LLC Check for Price 7.5A SWITCHING REGULATOR, 173kHz SWITCHING FREQ-MAX, PSSO5, TO-263, SMT-5 LM2596S-3.3 vs LM2596SX-3.3/NOPB
LM2596SX-3.3 National Semiconductor Corporation Check for Price IC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO5, TO-263, SMT-5, Switching Regulator or Controller LM2596S-3.3 vs LM2596SX-3.3
MIC4576-3.3BU Rochester Electronics LLC Check for Price 8.5A SWITCHING REGULATOR, 220kHz SWITCHING FREQ-MAX, PSSO5, TO-263, 5 PIN LM2596S-3.3 vs MIC4576-3.3BU
LM2596SX-3.3/NOPB Texas Instruments $4.1132 SIMPLE SWITCHER® 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 LM2596S-3.3 vs LM2596SX-3.3/NOPB
LM2596SX-3.3 Texas Instruments Check for Price SIMPLE SWITCHER® 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 LM2596S-3.3 vs LM2596SX-3.3
LM2596S-3.3/NOPB Texas Instruments $3.8417 SIMPLE SWITCHER® 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 LM2596S-3.3 vs LM2596S-3.3/NOPB
LM2596S-3.3 Texas Instruments Check for Price SIMPLE SWITCHER® 4.5V to 40V, 3A Low Component Count Step-Down Regulator 5-DDPAK/TO-263 LM2596S-3.3 vs LM2596S-3.3
MIC4576-3.3WU Rochester Electronics LLC Check for Price 8.5A SWITCHING REGULATOR, 220kHz SWITCHING FREQ-MAX, PSSO5, ROHS COMPLIANT, TO-263, 5 PIN LM2596S-3.3 vs MIC4576-3.3WU

LM2596S-3.3 Related Parts

LM2596S-3.3 Frequently Asked Questions (FAQ)

  • The maximum input voltage that can be applied to the LM2596S-3.3 is 40V, but it's recommended to keep it below 35V for reliable operation.

  • While the LM2596S-3.3 can deliver up to 3A of output current, it's not recommended for high-current applications due to thermal limitations. For high-current applications, consider using a heat sink or a more suitable regulator.

  • To ensure stability, make sure to use the recommended output capacitor value and type (e.g., 10uF ceramic or 22uF tantalum), and keep the input capacitor value below 10uF. Also, ensure the PCB layout is well-designed and follows good practices for switching regulators.

  • Yes, the LM2596S-3.3 can be used in battery-powered devices, but consider the quiescent current (IQ) of around 5mA, which can affect battery life. You may want to consider using a low-IQ regulator or a power switch to minimize power consumption when the device is in standby or sleep mode.

  • The output voltage tolerance of the LM2596S-3.3 is typically ±3% of the nominal output voltage (3.3V). This means the output voltage can vary between 3.207V and 3.393V.

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