SNVU917
September 2024
LM706A0-Q1
1
Description
Features
Applications
5
1
Evaluation Module Overview
1.1
Introduction
1.2
Kit Contents
1.3
Specification
1.4
Device Information
2
Hardware
2.1
Test Setup and Procedure
2.1.1
EVM Connections
2.1.2
Test Equipment
2.1.3
Recommended Test Setup
2.1.3.1
Input Connections
2.1.3.2
Output Connections
2.1.4
Test Procedure
2.1.4.1
Line and Load Regulation, Efficiency
3
Implementation Results
3.1
Performance Data and Results
3.1.1
EVM Characteristics
3.1.2
Conversion Efficiency
3.1.3
Operating Waveforms
3.1.3.1
Switching
3.1.3.2
Load Transient Response
3.1.3.3
Short-Circuit Recovery
3.1.3.4
Start-Up and Shutdown With EN
3.1.3.5
Start-Up With VIN
3.1.4
Bode Plot
3.1.5
CISPR 25 EMI Performance
3.1.6
Thermal Performance
4
Hardware Design Files
4.1
Schematic
4.2
PCB Layout
4.2.1
Component Drawings
4.2.2
Multi-Layer Stackup
4.3
Bill of Materials
5
Compliance Information
5.1
Compliance and Certifications
6
Related Documentation
6.1
Supplemental Content
6.1.1
Development Support
6.1.2
PCB Layout Resources
6.1.3
Thermal Design Resources
7
Additional Information
7.1
Trademarks
Features
Wide input voltage operating range of 8V to 65V
1% accurate fixed 3.3V, 5V, or adjustable output down to 0.8V
Switching frequency of 400kHz externally synchronizable up or down by 20%
Full-load efficiency of 89.3% at 12V
IN
, 88.1% at 24V
IN
and 85.4% at 48V
IN
260µA operating current at 48V
IN
Designed for low Electromagnetic Interference (EMI)
Dual-random spread spectrum EMI mitigation
Meets CISPR 25 Class 5 and UNECE Reg 10 EMI standards
Peak current-mode control architecture provides fast line and load transient response
Integrated slope compensation adaptive with switching frequency
Forced pulsed width modulation (FPWM) or pulsed frequency modulation (PFM) operation
Optional internal or external loop compensation
Integrated high-side and low-side power MOSFETs
Overcurrent protection (OCP) with hiccup mode for sustained overload conditions
SYNCOUT signal 180° out-of-phase with internal clock
Power-Good signal with 100kΩ pullup resistor to VCC
Internal 3ms soft start
Fully assembled, tested, and proven PCB layout