SNVS471H
January 2007 – April 2026
LM5575
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Shutdown / Standby
6.3.2
Soft Start
6.3.3
Thermal Protection
6.4
Device Functional Modes
6.4.1
High Voltage Start-Up Regulator
6.4.2
Oscillator and Sync Capability
6.4.3
Error Amplifier and PWM Comparator
6.4.4
Ramp Generator
6.4.5
Maximum Duty Cycle / Input Dropout Voltage
6.4.6
Boost Pin
6.4.7
Current Limit
7
Application and Implementation
7.1
Application Information
7.1.1
Bias Power Dissipation Reduction
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Custom Design With WEBENCH® Tools
7.2.2.2
R3 (R)T
7.2.2.3
L1
7.2.2.4
C3 (C)RAMP
7.2.2.5
C9, C10
7.2.2.6
D1
7.2.2.7
C1, C2
7.2.2.8
C8
7.2.2.9
C7
7.2.2.10
C4
7.2.2.11
R5, R6
7.2.2.12
R1, R2, C12
7.2.2.13
R4, C5, C6
7.2.2.14
R7, C11
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Examples
7.4.2.1
Thermal Considerations
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.1.1
Custom Design With WEBENCH® Tools
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PWP|16
MPDS371C
Thermal pad, mechanical data (Package|Pins)
PWP|16
PPTD288A
Orderable Information
snvs471h_oa
snvs471h_pm
Data Sheet
LM5575 75V, 1.5A Step-Down Switching Regulator