SLLSFM0A
March 2022 – June 2022
SN6507
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
Switching Characteristics
6.7
Typical Characteristics, SN6507
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Push-Pull Converter
8.3.2
Core Magnetization
8.3.3
Duty Cycle Control
Programmable Switching Frequency
8.3.4
Spread Spectrum Clocking
8.3.5
Slew Rate Control
8.3.6
Protection Features
8.3.6.1
Over Voltage Protection (OVP)
8.3.6.2
Over Current and Short Circuit Protection (OCP)
8.3.6.3
Under Voltage Lock-Out (UVLO)
8.3.6.4
Thermal Shut Down (TSD)
8.4
Device Functional Modes
8.4.1
Start-Up Mode
8.4.1.1
Soft-Start
8.4.2
Operation Mode
8.4.3
Shutdown Mode
8.4.4
SYNC Mode
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Pin Configuration
9.2.2.2
LDO Selection
9.2.2.3
Diode Selection
9.2.2.4
Capacitor and Inductor Selection
9.2.2.5
Transformer Selection
9.2.2.5.1
V-t Product Calculation
9.2.2.5.2
Turns Ratio Estimate
9.2.2.6
Low-Emissions Designs
9.2.3
Application Curves
9.2.4
System Examples
9.2.4.1
Higher Output Voltage Designs
9.2.4.2
Commercially-Available Transformers
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Community Resources
10.4
Trademarks
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGQ|10
MPDS043F
Thermal pad, mechanical data (Package|Pins)
DGQ|10
PPTD373B
Orderable Information
sllsfm0a_oa
sllsfm0a_pm
9.2.3
Application Curves
V
IN
= 24 V
V
OUT
= 15 V
I
LOAD
= 500 mA
Figure 9-6
SN6507 EVM Radiated Emissions per CISPR 32 with a Low-EMC Design Configuration