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LM2590HV  Product Folder

SIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator with Features
Generic P/N 2590HV
General
Description		 Features Datasheet Package
& Models		 Samples
& Pricing		 Reliability
Metrics		 Design
Tools		 Application
Notes

Parametric Table Parametric Table
Temperature Min (deg C) -40 
Temperature Max (deg C) 125 
Multiple Output Capability No 
On/Off Pin Yes 
Error Flag Yes 
InputMin Voltage (Volt) 4.50 
InputMax Voltage (Volt) 60 
Output Current (mA) 1000 
Output Voltage (Volt) 3.30, 5 
Adjustable Output No, Yes 
Output Range 1.2V-57V 
Switching Frequency (Hz) 150000 
Adj Switch Frequency No 
Sync Pin No 
Efficiency (%) 77, 82, 76 
Flyback No 
Inverting No 
Step-Up No 
Step-Down Yes 
RegType Switching Regulator 

Datasheet

TitleSize in KbytesDate
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LM2590HV SIMPLE SWITCHERPower Converter 150 kHz 1A Step-Down Voltage Regulator, with Features 752 Kbytes 5-Dec-01 View Online Download Receive via Email
LM2590HV SIMPLE SWITCHERPower Converter 150 kHz 1A Step-Down Voltage Regulator, with Features (JAPANESE)
 407 Kbytes   View Online Download Receive via Email

If you have trouble printing or viewing PDF file(s), see Printing Problems.

Package Availability, Models, Samples & Pricing

Part NumberPackageStatusModelsSamples &
Electronic
Orders		Budgetary PricingStd
Pack
Size		Package
Marking
TypePinsMSL/Lead-Free AvailabilityLead
Time		QtySPICEIBISQty$US each
LM2590HVT-3.3TO 2207StatusFull productionN/AN/A24 Hour Samples
Buy Now 		1K+$2.26rail
of
45		NSUZXYTT
LM2590HVT
-3.3 P+
9-11 weeks50000
LM2590HVT-5.0TO 2207StatusFull productionN/AN/A24 Hour Samples
Buy Now 		1K+$2.26rail
of
45		NSUZXYTT
LM2590HVT
-5.0 P+
8-10 weeks50000
LM2590HVT-ADJTO 2207StatusFull productionN/AN/A24 Hour Samples
Buy Now 		1K+$2.26rail
of
45		NSUZXYTT
LM2590HVT
-ADJ P+
8-10 weeks25000
LM2590HVS-3.3TO 2637StatusFull productionN/AN/A24 Hour Samples
Buy Now		1K+$2.26rail
of
45		NSUZXYTT
LM2590HVS
-3.3 P+
8-10 weeks50000
LM2590HVS-5.0TO 2637StatusFull productionN/AN/A24 Hour Samples
Buy Now 		1K+$2.26rail
of
45		NSUZXYTT
LM2590HVS
-5.0 P+
8-10 weeks50000
LM2590HVS-ADJTO 2637StatusFull productionN/AN/A24 Hour Samples
Buy Now 		1K+$2.26rail
of
45		NSUZXYTT
LM2590HVS
-ADJ P+
8-10 weeks25000
LM2590HVSX-3.3TO 2637StatusFull productionN/AN/A 1K+$2.26reel
of
500		NSUZXYTT
LM2590HVS
-3.3 P+
8-10 weeks50000
LM2590HVSX-5.0TO 2637StatusFull productionN/AN/A 1K+$2.26reel
of
500		NSUZXYTT
LM2590HVS
-5.0 P+
8-10 weeks50000
LM2590HVSX-ADJTO 2637StatusFull productionN/AN/A 1K+$2.26reel
of
500		NSUZXYTT
LM2590HVS
-ADJ P+
8-10 weeks25000
LM2590HV3.3 MDCUnpackaged DieFull productionN/AN/A   tray
of
N/A		-
N/A0
LM2590HV5.0 MDCUnpackaged DieFull productionN/AN/A   tray
of
N/A		-
N/A0
LM2590HV3.3 MWCWaferFull productionN/AN/A   wafer jar
of
N/A		-
N/A0
LM2590HV5.0 MWCWaferFull productionN/AN/A   wafer jar
of
N/A		-
N/A0

General Description

The LM2590HV series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3V, 5V, and an adjustable output version.

This series of switching regulators is similar to the LM2591HV with additional supervisory and performance features.

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, output error flag and flag delay.

The LM2590HV operates at a switching frequency of 150 kHz thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Available in a standard 7-lead TO-220 package with several different lead bend options, and a 7-lead TO-263 Surface mount package.

Other features include a guaranteed ±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 90 µA standby current. Self protection features include a two stage current limit for the output switch and an over temperature shutdown for complete protection under fault conditions.

Features

  • 3.3V, 5V, and adjustable output versions
  • Adjustable version output voltage range, 1.2V to 57V ±4% max over line and load conditions
  • Guaranteed 1A output load current
  • Available in 7-pin TO-220 and TO-263 (surface mount) Package
  • Input voltage range up to 60V
  • 150 kHz fixed frequency internal oscillator
  • Shutdown/Soft-start
  • Out of regulation error flag
  • Error flag delay
  • Low power standby mode, IQ typically 90 µA
  • High Efficiency
  • Thermal shutdown and current limit protection

Applications

  • Simple high-efficiency step-down (buck) regulator
  • Efficient pre-regulator for linear regulators
  • On-card switching regulators
  • Positive to Negative converter

Reliability Metrics

Part Number Process Early Failure Rate - Rejects Sample Size (EFR) PPM * Rel. Rejects Device Hours Long Term Failure Rates (FITS) MTTF
LM2590HV3.3 MDCLB3000177000011000004311012542
LM2590HV3.3 MWCLB3000177000011000004311012542
LM2590HV5.0 MDCLB3000177000011000004311012542
LM2590HV5.0 MWCLB3000177000011000004311012542
LM2590HVS-3.3LB3000177000011000004311012542
LM2590HVS-5.0LB3000177000011000004311012542
LM2590HVS-ADJLB3000177000011000004311012542
LM2590HVSX-3.3LB3000177000011000004311012542
LM2590HVSX-5.0LB3000177000011000004311012542
LM2590HVSX-ADJLB3000177000011000004311012542
LM2590HVT-3.3LB3000177000011000004311012542
LM2590HVT-5.0LB3000177000011000004311012542
LM2590HVT-ADJLB3000177000011000004311012542

For more information on Reliablitity Metrics, please click here.


Design Tools

TitleSize in KbytesDate
View Online
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SimpleSwitcher® DC-DC Converters Design Software 9 Kbytes 28-Jul-2003 View    

If you have trouble printing or viewing PDF file(s), see Printing Problems.

Application Notes

TitleSize in KbytesDate
View Online
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AB-11: Application Brief 11 High-Efficiency Regulator has Low Drop-Out Voltage 40 Kbytes 3-Oct-02 View Online Download Receive via Email
Application Brief 11 High-Efficiency Regulator has Low Drop-Out Voltage (JAPANESE)
 51 Kbytes   View Online Download Receive via Email
AN-1149: Application Note 1149 Layout Guidelines for Switching Power Supplies 113 Kbytes 26-Sep-02 View Online Download Receive via Email
AN-1229: Application Note 1229 SIMPLE SWITCHER PCB Layout Guidelines 229 Kbytes 1-Oct-02 View Online Download Receive via Email
AN-1246: Application Note 1246 Stresses in Wide Input DC-DC Converters 272 Kbytes 26-Sep-02 View Online Download Receive via Email
AN-1253: Application Note 1253 Wide-Input, High Voltage Buck Converter 144 Kbytes 25-Sep-02 View Online Download Receive via Email
AN-556: Application Note 556 Introduction to Power Supplies 159 Kbytes 25-Sep-02 View Online Download Receive via Email

If you have trouble printing or viewing PDF file(s), see Printing Problems.

[Information as of 15-Jan-2004]

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