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LM2590HV SIMPLE SWITCHER® Power Converter 150-kHz, 1-A Step-Down Voltage Regulator
SNVS084C
December 2001 – July 2016
LM2590HV
PRODUCTION DATA.
CONTENTS
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LM2590HV SIMPLE SWITCHER® Power Converter 150-kHz, 1-A Step-Down Voltage Regulator
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Electrical Characteristics - 3.3-V Version
6.7
Electrical Characteristics - 5-V Version
6.8
Electrical Characteristics - Adjustable Version
6.9
Typical Characteristics
7
Parameter Measurement Information
7.1
Test Circuits
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Undervoltage Lockout
8.3.2
SHUTDOWN/SOFT-START
8.4
Device Functional Modes
8.4.1
Shutdown Mode
8.4.2
Active Mode
9
Application and Implementation
9.1
Application Information
9.1.1
Feedforward Capacitor, CFF
9.1.2
Input Capacitor, CIN
9.1.3
Output Capacitor, COUT
9.1.4
Catch Diode
9.1.5
Inverting Regulator
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Inductor Selection Procedure
9.2.2.1.1
Example 1: VIN ≤ 40 V, 5-V Version, VIN = 24 V, Output = 5 V at 1 A
9.2.2.1.2
Example 2: VIN > 40 V, 5-V Version, VIN = 48 V, Output = 5 V at 1.5 A
9.2.2.1.3
Example 3: VIN ≤ 40 V, Adjustable Version, VIN = 20 V, Output = 10 V at 2 A
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Examples
11.3
Thermal Considerations
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
KTW|7
MPSF015
NDZ|7
MMSF005
Thermal pad, mechanical data (Package|Pins)
KTW|7
PPTD278
Orderable Information
snvs084c_oa
snvs084c_pm
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