SLVSEQ0A
May 2019 – March 2020
TPS54A24
PRODUCTION DATA.
1
Features
2
Applications
Simplified Schematic
3
Description
Efficiency (VIN = 12 V, fSW = 500 kHz)
4
Revision History
5
Pin Configuration and Functions
Pin 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
Timing Requirements
6.7
Switching Characteristics
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fixed Frequency PWM Control
7.3.2
Continuous Conduction Mode Operation (CCM)
7.3.3
VIN Pins and VIN UVLO
7.3.4
Voltage Reference and Adjusting the Output Voltage
7.3.5
Error Amplifier
7.3.6
Enable and Adjustable UVLO
7.3.7
Soft Start and Tracking
7.3.8
Safe Start-Up Into Prebiased Outputs
7.3.9
Power Good
7.3.10
Sequencing (SS/TRK)
7.3.11
Adjustable Switching Frequency (RT Mode)
7.3.12
Synchronization (CLK Mode)
7.3.13
Bootstrap Voltage and 100% Duty Cycle Operation (BOOT)
7.3.14
Output Overvoltage Protection (OVP)
7.3.15
Overcurrent Protection
7.3.15.1
High-Side MOSFET Overcurrent Protection
7.3.15.2
Low-Side MOSFET Overcurrent Protection
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design With WEBENCH® Tools
8.2.2.2
Switching Frequency
8.2.2.3
Output Inductor Selection
8.2.2.4
Output Capacitor
8.2.2.5
Input Capacitor
8.2.2.6
Output Voltage Resistors Selection
8.2.2.7
Soft-Start Capacitor Selection
8.2.2.8
Undervoltage Lockout Setpoint
8.2.2.9
Bootstrap Capacitor Selection
8.2.2.10
PGOOD Pullup Resistor
8.2.2.11
Compensation
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Development Support
11.1.1.1
Custom Design With WEBENCH® Tools
11.2
Receiving Notification of Documentation Updates
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
RTW|24
MPQF167C
サーマルパッド・メカニカル・データ
RTW|24
QFND062N
発注情報
slvseq0a_oa
slvseq0a_pm
2
Applications
Wired networking (switches)
Wireless infrastructure
Test and measurement
Medical imaging equipment
Power for FPGAs, SoCs, DSPs and processors
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Simplified Schematic