SLLSEA0I
February 2012 – January 2021
SN6501
PRODUCTION DATA
1
Features
2
Applications
3
Description
Revision History
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
Handling Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Switching Characteristics
5.7
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Push-Pull Converter
7.3.2
Core Magnetization
7.4
Device Functional Modes
7.4.1
Start-Up Mode
7.4.2
Operating Mode
7.4.3
Off-Mode
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
SN6501 Drive Capability
8.2.2.2
LDO Selection
8.2.2.3
Diode Selection
8.2.2.4
Capacitor Selection
8.2.2.5
Transformer Selection
8.2.2.5.1
V-t Product Calculation
8.2.2.5.2
Turns Ratio Estimate
8.2.2.5.3
Recommended Transformers
8.2.3
Application Curve
8.2.4
Higher Output Voltage Designs
8.2.5
Application Circuits
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
11.2
Trademarks
11.3
Electrostatic Discharge Caution
11.4
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sllsea0i_oa
sllsea0i_pm
1
Features
Push-pull driver for small transformers
Single 3.3-V or 5-V supply
High primary-side current drive:
5-V Supply: 350 mA (Max)
3.3-V Supply: 150 mA (Max)
Low ripple on rectified output permits small output capacitors
Small 5-Pin SOT-23 Package