Loading [MathJax]/jax/output/SVG/fonts/TeX/fontdata.js
Menu
Product
Email
PDF
Order now
LM5122-Q1 Wide-Input Synchronous Boost Controller With Multiple Phase Capability
SNVSAW9
June 2017
LM5122-Q1
PRODUCTION DATA.
CONTENTS
SEARCH
LM5122-Q1 Wide-Input Synchronous Boost Controller With Multiple Phase Capability
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: LM5122-Q1
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
Undervoltage Lockout (UVLO)
7.3.2
High Voltage VCC Regulator
7.3.3
Oscillator
7.3.4
Slope Compensation
7.3.5
Error Amplifier
7.3.6
PWM Comparator
7.3.7
Soft-Start
7.3.8
HO and LO Drivers
7.3.9
Bypass Operation (VOUT = VIN)
7.3.10
Cycle-by-Cycle Current Limit
7.3.11
Clock Synchronization
7.3.12
Maximum Duty Cycle
7.3.13
Thermal Protection
7.4
Device Functional Modes
7.4.1
MODE Control (Forced-PWM Mode and Diode-Emulation Mode)
7.4.2
MODE Control (Skip-Cycle Mode and Pulse-Skipping Mode)
7.4.3
Hiccup-Mode Overload Protection
7.4.4
Slave Mode and SYNCOUT
8
Application and Implementation
8.1
Application Information
8.1.1
Feedback Compensation
8.1.2
Sub-Harmonic Oscillation
8.1.3
Interleaved Boost Configuration
8.1.4
DCR Sensing
8.1.5
Output Overvoltage Protection
8.1.6
SEPIC Converter Simplified Schematic
8.1.7
Non-Isolated Synchronous Flyback Converter Simplified Schematic
8.1.8
Negative to Positive Conversion
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
Timing Resistor RT
8.2.2.3
UVLO Divider RUV2, RUV1
8.2.2.4
Input Inductor LIN
8.2.2.5
Current Sense Resistor RS
8.2.2.6
Current Sense Filter RCSFP, RCSFN, CCS
8.2.2.7
Slope Compensation Resistor RSLOPE
8.2.2.8
Output Capacitor COUT
8.2.2.9
Input Capacitor CIN
8.2.2.10
VIN Filter RVIN, CVIN
8.2.2.11
Bootstrap Capacitor CBST and Boost Diode DBST
8.2.2.12
VCC Capacitor CVCC
8.2.2.13
Output Voltage Divider RFB1, RFB2
8.2.2.14
Soft-Start Capacitor CSS
8.2.2.15
Restart Capacitor CRES
8.2.2.16
Low-Side Power Switch QL
8.2.2.17
High-Side Power Switch QH and Additional Parallel Schottky Diode
8.2.2.18
Snubber Components
8.2.2.19
Loop Compensation Components CCOMP, RCOMP, CHF
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
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
PWP|20
MHTS001H
Thermal pad, mechanical data (Package|Pins)
PWP|20
PPTD289A
Orderable Information
snvsaw9_oa
search
No matches found.
Full reading width
Full reading width
Comfortable reading width
Expanded reading width
Card for each section
Card with all content
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
|