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LM2598 Datasheet PDF

Part Series:
LM2598 Series
Category:
-
Description:
SIMPLE SWITCHER® Power Converter 150kHz 1A Step-Down Voltage Regulator with Features
Updated Time: 2023/01/13 02:40:03 (UTC + 8)

LM2598 Datasheet PDF -

47 Pages
TI
Conv DC-DC 4.5V to 40V Inv/Step Down Single-Out 12V 1A 7Pin(7+Tab) TO-220 Tube
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Conv DC-DC 4.5V to 40V Inv/Step Down Single-Out 5V 1A 7Pin(7+Tab) TO-220 Tube
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Conv DC-DC 4.5V to 40V Inv/Step Down Single-Out 1.2V to 37V 1A 7Pin(7+Tab) TO-220 Tube
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Conv DC-DC 4.5V to 40V Inv/Step Down Single-Out 1.2V to 37V 1A 8Pin(7+Tab) TO-263 T/R
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Conv DC-DC 4.5V to 40V Inv/Step Down Single-Out 3.3V 1A 8Pin(7+Tab) TO-263 T/R
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Conv DC-DC 4.5V to 40V Inv/Step Down Single-Out 12V 1A 8Pin(7+Tab) TO-263 T/R
47 Pages
TI
Conv DC-DC 4.5V to 40V Inv/Step Down Single-Out 5V 1A 8Pin(7+Tab) TO-263 T/R
47 Pages
TI
Conv DC-DC 4.5V to 40V Inv/Step Down Single-Out 12V 1A 8Pin(7+Tab) TO-263 Tube
47 Pages
TI
Conv DC-DC 4.5V to 40V Inv/Step Down Single-Out 5V 1A 8Pin(7+Tab) TO-263 Tube
47 Pages
TI
Conv DC-DC 4.5V to 40V Inv/Step Down Single-Out 1.2V to 37V 1A 8Pin(7+Tab) TO-263 Tube
47 Pages
TI
SIMPLE SWITCHER Power Converter 150kHz 1A Step-Down Voltage Regulator, with Features 7-TO-220 -40℃ to 125℃
47 Pages
TI
Conv DC-DC 4.5V to 40V Inv/Step Down Single-Out 5V 1A 8Pin(7+Tab) TO-263 T/R
47 Pages
TI
Conv DC-DC 4.5V to 40V Inv/Step Down Single-Out 1.2V to 37V 1A 8Pin(7+Tab) TO-263 T/R
47 Pages
TI
SIMPLE SWITCHER Power Converter 150kHz 1A Step-Down Voltage Regulator, with Features 7-DDPAK/TO-263 -40℃ to 125℃
47 Pages
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SIMPLE SWITCHER® Power Converter 150kHz 1A Step-Down Voltage Regulator with Features
34 Pages
National Semiconductor
SIMPLE SWITCHER Power Converter 150kHz 1A Step-Down Voltage Regulator, with Features

LM2598 - TI Specifications

TYPE
DESCRIPTION
Case/Package
7PFM, 7TO
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LM2598 - TI Function Overview

The LM2598 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version.
The LM2598 is a member of the LM259x family.
Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, improved line and load specifications, fixed-frequency oscillator, Shutdown/Soft-start, error flag delay and error flag output.
The LM2598 series operates at a switching frequency of 150 kHz, thus allowing smaller sized filter components than what would be required with lower-frequency switching regulators. Available in a standard 7-lead TO-220 package with several different lead bend options, and a 7-lead DDPAK surface mount package. Typically, for output voltages less than 12 V, and ambient temperatures less than 50°C, no heat sink is required.
A standard series of inductors (both through hole and surface mount types) are available from several different manufacturers optimized for use with the LM2598. This feature greatly simplifies the design of switch-mode power supplies.
Other features include a specified ±4% tolerance on output voltage under all conditions of input voltage and output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring typically 85-µA standby current. Self-protection features include a two stage current limit for the output switch and an overtemperature shutdown for complete protection under fault conditions.
3.3-V, 5-V, 12-V, and Adjustable Output Versions
Adjustable Version Output Voltage Range, 1.2-V
to 37-V ±4% Max Over Line and Load Conditions
1-A Output Current
Available in 7-Pin TO-220 and DDPAK (Surface
Mount) Package
Input Voltage Range Up to 40 V
Excellent Line and Load Regulation Specifications
150 kHz Fixed Frequency Internal Oscillator
Shutdown/Soft-start
Out of Regulation Error Flag
Error Output Delay
Low Power Standby Mode, IQ, Typically 85 µA
High Efficiency
Uses Readily Available Standard Inductors
Thermal Shutdown and Current Limit Protection
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