JAJSVL0A
October 2024 – December 2024
LM61480T-Q1
,
LM61495T-Q1
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Device Comparison Table
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
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
Output Voltage Selection
7.3.2
Enable EN Pin and Use as VIN UVLO
7.3.3
SYNC/MODE Uses for Synchronization
7.3.4
Clock Locking
7.3.5
Adjustable Switching Frequency
7.3.6
RESET Output Operation
7.3.7
Internal LDO, VCC UVLO, and BIAS Input
7.3.8
Bootstrap Voltage and VCBOOT-UVLO (CBOOT Pin)
7.3.9
Adjustable SW Node Slew Rate
7.3.10
Spread Spectrum
7.3.11
Soft Start and Recovery From Dropout
7.3.12
Overcurrent and Short-Circuit Protection
7.3.13
Hiccup
7.3.14
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Standby Mode
7.4.3
Active Mode
7.4.3.1
Peak Current Mode Operation
7.4.3.2
Auto Mode Operation
7.4.3.2.1
Diode Emulation
7.4.3.3
FPWM Mode Operation
7.4.3.4
Minimum On-time (High Input Voltage) Operation
7.4.3.5
Dropout
7.4.3.6
Recovery from Dropout
7.4.3.7
Other Fault 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
Choosing the Switching Frequency
8.2.2.2
Setting the Output Voltage
8.2.2.3
Inductor Selection
8.2.2.4
Output Capacitor Selection
8.2.2.5
Input Capacitor Selection
8.2.2.6
BOOT Capacitor
8.2.2.7
BOOT Resistor
8.2.2.8
VCC
8.2.2.9
CFF and RFF Selection
8.2.2.10
RSPSP Selection
8.2.2.11
RT Selection
8.2.2.12
RMODE Selection
8.2.2.13
External UVLO
8.2.2.14
Maximum Ambient Temperature
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
Ground and Thermal Considerations
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
サード・パーティ製品に関する免責事項
9.2
Documentation Support
9.2.1
Related Documentation
9.3
ドキュメントの更新通知を受け取る方法
9.4
サポート・リソース
9.5
Trademarks
9.6
用語集
9.7
静電気放電に関する注意事項
10
Revision History
11
Mechanical, Packaging, and Orderable Information
2
アプリケーション
車載用インフォテインメントおよびインストルメント クラスタ
先進運転支援システム (ADAS)