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Power Circuits / Switching Regulator or Controllers / LM2599S-3.3/NOPB
Datasheets
LM2599S-3.3/NOPB by:

SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator with Features 7-DDPAK/TO-263 -40 to 125

Part Details for LM2599S-3.3/NOPB by Texas Instruments

Results Overview of LM2599S-3.3/NOPB by Texas Instruments

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Applications Energy and Power Systems Transportation and Logistics Renewable Energy Automotive

LM2599S-3.3/NOPB Information

LM2599S-3.3/NOPB by Texas Instruments 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.

Price & Stock for LM2599S-3.3/NOPB

Part # Distributor Description Stock Price Buy
DISTI # LM2599S-3.3/NOPB-ND
DigiKey IC REG BUCK 3.3V 3A TO263 Min Qty: 1 Lead time: 6 Weeks Container: Tube 220
In Stock
  • 1 $7.0100
  • 10 $5.4010
  • 45 $4.7913
  • 135 $4.4833
  • 270 $4.3326
  • 540 $4.2086
  • 1,035 $4.1121
$4.1121 / $7.0100 Buy Now
DISTI # 926-LM2599S-33/NOPB
Mouser Electronics Switching Voltage Regulators Pwr Cnvtr 150KHz 3A SD VTG Reg A 926-LM2599SX33NOPB RoHS: Compliant 170
  • 1 $8.2600
  • 10 $5.8700
  • 25 $5.6000
  • 90 $4.8600
  • 270 $4.6400
  • 540 $4.2300
  • 1,035 $3.6800
$3.6800 / $8.2600 Buy Now
DISTI # V99:2348_07269856
Arrow Electronics Conv DC-DC 4.5V to 40V Step Down Single-Out 3.3V 3A 8-Pin(7+Tab) TO-263 Tube Min Qty: 1 Package Multiple: 1 Lead time: 6 Weeks Date Code: 1627 Americas - 5
  • 0 $1.8952
  • 1 $0.3606
$0.3606 / $1.8952 Buy Now
DISTI # 85989801
Verical Conv DC-DC 4.5V to 40V Step Down Single-Out 3.3V 3A 8-Pin(7+Tab) TO-263 Tube Min Qty: 85 Package Multiple: 1 Date Code: 1201 Americas - 405
  • 85 $4.4500
  • 100 $4.2250
  • 500 $4.0000
  • 1,000 $3.7875
  • 10,000 $3.5625
$3.5625 / $4.4500 Buy Now
Rochester Electronics LM2599 SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator RoHS: Not Compliant Status: Active Min Qty: 1 675
  • 25 $3.5600
  • 100 $3.3800
  • 500 $3.2000
  • 1,000 $3.0300
  • 10,000 $2.8500
$2.8500 / $3.5600 Buy Now
LCSC Step-down type Fixed 3.3V 3A 4.5V40V TO-263-7 DC-DC Converters ROHS 4
  • 1 $12.8103
  • 10 $12.6157
  • 45 $12.3441
  • 90 $12.2129
$12.2129 / $12.8103 Buy Now

Part Details for LM2599S-3.3/NOPB

LM2599S-3.3/NOPB CAD Models

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LM2599S-3.3/NOPB Part Data Attributes

Parametric Data
LM2599S-3.3/NOPB Texas Instruments
Buy Now Datasheet
Compare Parts:
LM2599S-3.3/NOPB Texas Instruments SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator with Features 7-DDPAK/TO-263 -40 to 125
Pbfree Code Yes
Rohs Code No
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code D2PAK
Package Description ROHS COMPLIANT,TO-263, 7 PIN
Pin Count 4
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Analog IC - Other Type SWITCHING REGULATOR
Control Mode VOLTAGE-MODE
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 40 V
Input Voltage-Min 4.5 V
Input Voltage-Nom 12 V
JESD-30 Code R-PSSO-G7
JESD-609 Code e3
Length 10.16 mm
Moisture Sensitivity Level 3
Number of Functions 1
Number of Outputs 1
Number of Terminals 7
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Output Current-Max 3 A
Output Voltage-Max 37 V
Output Voltage-Min 3.3 V
Output Voltage-Nom 3.3 V
Package Body Material PLASTIC/EPOXY
Package Code TO-263
Package Equivalence Code SMSIP7H,.55,50TB
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 245
Qualification Status Not Qualified
Seated Height-Max 4.8 mm
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 173 kHz
Temperature Grade AUTOMOTIVE
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position SINGLE
Time@Peak Reflow Temperature-Max (s) 30
Width 8.635 mm

Alternate Parts for LM2599S-3.3/NOPB

This table gives cross-reference parts and alternative options found for LM2599S-3.3/NOPB. 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 LM2599S-3.3/NOPB, 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
LM2599SX-3.3/NOPB Texas Instruments $2.5066 SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator with Features 7-DDPAK/TO-263 -40 to 125 LM2599S-3.3/NOPB vs LM2599SX-3.3/NOPB
LM2599S-3.3/NOPB National Semiconductor Corporation Check for Price IC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO7, TO-263, 7 PIN, Switching Regulator or Controller LM2599S-3.3/NOPB vs LM2599S-3.3/NOPB
LM2599SX-3.3 National Semiconductor Corporation Check for Price IC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO7, TO-263, SMT-7, Switching Regulator or Controller LM2599S-3.3/NOPB vs LM2599SX-3.3
LM2599S-3.3 National Semiconductor Corporation Check for Price IC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO7, TO-263, 7 PIN, Switching Regulator or Controller LM2599S-3.3/NOPB vs LM2599S-3.3
LM2599SX-3.3 Texas Instruments Check for Price 7.5A SWITCHING REGULATOR, 173kHz SWITCHING FREQ-MAX, PSSO7, TO-263, SMT-7 LM2599S-3.3/NOPB vs LM2599SX-3.3
LM2599SX-3.3/NOPB Rochester Electronics LLC Check for Price 7.5A SWITCHING REGULATOR, 173kHz SWITCHING FREQ-MAX, PSSO7, TO-263, SMT-7 LM2599S-3.3/NOPB vs LM2599SX-3.3/NOPB
LM2599SX-3.3/NOPB National Semiconductor Corporation Check for Price IC 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO7, TO-263, SMT-7, Switching Regulator or Controller LM2599S-3.3/NOPB vs LM2599SX-3.3/NOPB
LM2599S-3.3 Texas Instruments Check for Price SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator with Features 7-DDPAK/TO-263 -40 to 125 LM2599S-3.3/NOPB vs LM2599S-3.3

LM2599S-3.3/NOPB Frequently Asked Questions (FAQ)

  • The maximum input voltage that can be applied to the LM2599S-3.3/NOPB is 40V, but it's recommended to keep it below 35V for reliable operation.

  • The LM2599S-3.3/NOPB has a maximum operating junction temperature of 125°C, but it's recommended to keep it below 85°C for reliable operation. You can use thermal management techniques like heat sinks or thermal interfaces to reduce the temperature.

  • To ensure the stability of the output voltage, make sure to use the recommended output capacitor value and type (e.g., 10uF ceramic capacitor), and keep the output capacitor close to the output pin. Also, ensure that the input voltage is within the recommended range and the input capacitor is properly sized.

  • The LM2599S-3.3/NOPB is a switching regulator, and it generates switching noise. If you need a low-noise regulator, consider using a linear regulator or a switching regulator with built-in noise reduction features. You can also use noise reduction techniques like filtering or shielding to minimize the impact of switching noise.

  • The output current capability of the LM2599S-3.3/NOPB depends on the input voltage, output voltage, and ambient temperature. You can use the datasheet's thermal derating curves and output current vs. input voltage graphs to estimate the maximum output current. As a rule of thumb, the maximum output current is around 1A to 1.5A, but it's recommended to derate the output current based on the specific application requirements.

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