SNVSB46B
September 2018 – August 2021
LM5176-Q1
PRODUCTION DATA
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fixed Frequency Valley/Peak Current Mode Control with Slope Compensation
7.3.2
VCC Regulator and Optional BIAS Input
7.3.3
Enable/UVLO
7.3.4
Soft-Start
7.3.5
Overcurrent Protection
7.3.6
Average Input/Output Current Limiting
7.3.7
Operation Above 40-V Input
7.3.8
CCM Operation
7.3.9
Frequency and Synchronization (RT/SYNC)
7.3.10
Frequency Dithering
7.3.11
Output Overvoltage Protection (OVP)
7.3.12
Power Good (PGOOD)
7.3.13
Gm Error Amplifier
7.3.14
Integrated Gate Drivers
7.3.15
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown, Standby, and Operating Modes
7.4.2
MODE Pin Configuration
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
Frequency
8.2.2.3
VOUT
8.2.2.4
Inductor Selection
8.2.2.5
Output Capacitor
8.2.2.6
Input Capacitor
8.2.2.7
Sense Resistor (RSENSE)
8.2.2.8
Slope Compensation
8.2.2.9
UVLO
8.2.2.10
Soft-Start Capacitor
8.2.2.11
Dither Capacitor
8.2.2.12
MOSFETs QH1 and QL1
8.2.2.13
MOSFETs QH2 and QL2
8.2.2.14
Frequency 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
Third-Party Products Disclaimer
11.1.2
Development Support
11.1.2.1
Custom Design with WEBENCH Tools
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Support Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PWP|28
MPDS373B
Thermal pad, mechanical data (Package|Pins)
PWP|28
PPTD396
Orderable Information
snvsb46b_oa
snvsb46b_pm
1
Features
AEC-Q100 qualified for automotive applications
Temperature grade 1: -40°C to 125°C T
A
Functional Safety-Capable
Documentation available to aid functional safety system design
Single inductor buck-boost controller for step-up/step-down DC/DC conversion
Wide V
IN
: 4.2 V (2.5 V with bias) to 55 V (60 V maximum)
Flexible V
OUT
: 0.8 V to 55 V
V
OUT
short protection
High efficiency buck-boost transition
Adjustable switching frequency
Optional frequency sync and dithering
Integrated 2-A MOSFET gate drivers
Cycle-by-cycle current limit and optional hiccup
Optional input or output average current limiting
Programmable input UVLO and soft-start
Power good and output overvoltage protection
Available in HTSSOP-28 package
Create a custom design using the LM5176-Q1 with the
WEBENCH Power Designer
千亿体育app官网登录(中国)官方网站IOS/安卓通用版/手机APP
|
米乐app下载官网(中国)|ios|Android/通用版APP最新版
|
米乐|米乐·M6(中国大陆)官方网站
|
千亿体育登陆地址
|
华体会体育(中国)HTH·官方网站
|
千赢qy国际_全站最新版千赢qy国际V6.2.14安卓/IOS下载
|
18新利网v1.2.5|中国官方网站
|
bob电竞真人(中国官网)安卓/ios苹果/电脑版【1.97.95版下载】
|
千亿体育app官方下载(中国)官方网站IOS/安卓/手机APP下载安装
|