LM2585SX-12
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National Semiconductor LM2585SX-12

Manufacturer No:
LM2585SX-12
Manufacturer:
National Semiconductor
Package:
Bulk
Description:
7A, 125KHZ BIPOLAR, PSSO5
Delivery:
Payment:
iso14001
iso45001
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iso13485

Product Introduction

Overview

The LM2585SX-12 is a switching regulator IC produced by National Semiconductor, now part of Texas Instruments. It belongs to the SIMPLE SWITCHER® series and is designed for applications requiring efficient power conversion. This model is particularly suited for use in systems that demand a fixed 12V output with a high current capability. Its compact design and robust performance make it ideal for industrial, automotive, and consumer electronics applications.

Key Specifications

ParameterValueUnitNotes
SeriesSIMPLE SWITCHER®--
FunctionBoost, Buck/Boost--
Output ConfigurationPositive--
TopologyBoost, Flyback, Forward Converter--
Output TypeFixed--
Output Number1--
Input Voltage (Min)4V-
Input Voltage (Max)40V-
Output Voltage (Min/Fixed)12V-
Output Current3A (Switch)-
Switching Frequency100kHz-
Synchronous RectifierNo--
Operating Temperature-40 to 125°CTJ
Mounting TypeSurface Mount--
Package/CaseTO-263-6, D²Pak (5 Leads + Tab), TO-263BA--

Key Features

  • High-efficiency power conversion for boost, buck/boost, and flyback applications.
  • Fixed 12V output voltage with a high current capability of 3A (switch).
  • Wide input voltage range from 4V to 40V, suitable for various power sources.
  • Compact surface-mount package for space-constrained designs.
  • Robust thermal performance with an operating temperature range of -40°C to 125°C.

Applications

The LM2585SX-12 is widely used in industrial automation, automotive electronics, and consumer electronics. Its ability to efficiently convert power makes it suitable for applications such as power supplies for sensors, motor drives, and battery charging systems. In automotive electronics, it is used in power management systems for infotainment and lighting. In consumer electronics, it is ideal for portable devices and home appliances requiring stable 12V power.

Q & A

1. What is the maximum input voltage for the LM2585SX-12?

The maximum input voltage is 40V.

2. What is the output current capability of the LM2585SX-12?

The output current capability is 3A (switch).

3. What is the switching frequency of the LM2585SX-12?

The switching frequency is 100kHz.

4. Is the LM2585SX-12 suitable for automotive applications?

Yes, it is suitable for automotive electronics due to its robust design and wide operating temperature range.

5. What is the output voltage of the LM2585SX-12?

The output voltage is fixed at 12V.

6. What is the operating temperature range of the LM2585SX-12?

The operating temperature range is -40°C to 125°C.

7. What package does the LM2585SX-12 come in?

It comes in a TO-263-6, D²Pak (5 Leads + Tab), TO-263BA package.

8. Does the LM2585SX-12 support synchronous rectification?

No, it does not support synchronous rectification.

9. What are the typical applications of the LM2585SX-12?

Typical applications include industrial automation, automotive electronics, and consumer electronics.

10. Is the LM2585SX-12 part of the SIMPLE SWITCHER® series?

Yes, it is part of the SIMPLE SWITCHER® series from Texas Instruments.

Product Attributes

Function:Step-Up, Step-Up/Step-Down
Output Configuration:Positive
Topology:Boost, Flyback, Forward Converter
Output Type:Fixed
Number of Outputs:1
Voltage - Input (Min):4V
Voltage - Input (Max):40V
Voltage - Output (Min/Fixed):12V
Voltage - Output (Max):- 
Current - Output:3A (Switch)
Frequency - Switching:100kHz
Synchronous Rectifier:No
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Supplier Device Package:DDPAK/TO-263-5
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Similar Products

Part Number LM2585SX-12 LM2586SX-12 LM2587SX-12 LM2588SX-12 LM2585S-12
Manufacturer National Semiconductor Texas Instruments Texas Instruments Texas Instruments National Semiconductor
Product Status Active Obsolete Obsolete Obsolete Not For New Designs
Function Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down Step-Up, Step-Up/Step-Down
Output Configuration Positive Positive Positive Positive Positive
Topology Boost, Flyback, Forward Converter Boost, Flyback, Forward Converter Boost, Flyback, Forward Converter Boost, Flyback, Forward Converter Boost, Flyback, Forward Converter
Output Type Fixed Fixed Fixed Fixed Fixed
Number of Outputs 1 1 1 1 1
Voltage - Input (Min) 4V 4V 4V 4V 4V
Voltage - Input (Max) 40V 40V 40V 40V 40V
Voltage - Output (Min/Fixed) 12V 12V 12V 12V 12V
Voltage - Output (Max) - - - - -
Current - Output 3A (Switch) 3A (Switch) 5A (Switch) 5A (Switch) 3A (Switch)
Frequency - Switching 100kHz 100kHz ~ 200kHz 100kHz 100kHz ~ 200kHz 100kHz
Synchronous Rectifier No No No No No
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case TO-263-6, D²Pak (5 Leads + Tab), TO-263BA TO-263-8, D²Pak (7 Leads + Tab), TO-263CA TO-263-6, D²Pak (5 Leads + Tab), TO-263BA TO-263-8, D²Pak (7 Leads + Tab), TO-263CA TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Supplier Device Package DDPAK/TO-263-5 DDPAK/TO-263-7 DDPAK/TO-263-5 DDPAK/TO-263-7 DDPAK/TO-263-5

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