SNOSDD6
September 2021
LM74700-EP
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
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Input Voltage
8.3.2
Charge Pump
8.3.3
Gate Driver
8.3.4
Enable
8.4
Device Functional Modes
8.4.1
Shutdown Mode
8.4.2
Conduction Mode
8.4.2.1
Regulated Conduction Mode
8.4.2.2
Full Conduction Mode
8.4.2.3
Reverse Current Protection 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
Design Considerations
9.2.2.2
MOSFET Selection
9.2.2.3
Charge Pump VCAP, input and output capacitance
9.2.3
Selection of TVS Diodes for 12-V Battery Protection Applications
9.2.4
Selection of TVS Diodes and MOSFET for 24-V Battery Protection Applications
9.2.5
Application Curves
9.3
OR-ing Application Configuration
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Receiving Notification of Documentation Updates
12.2
Support Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDF|8
MPDS569D
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snosdd6_oa
snosdd6_pm
1
Features
3.2-V to 65-V Input range (3.9-V startup)
–65-V reverse voltage rating
Charge pump for external N-Channel MOSFET
20-mV ANODE to CATHODE forward voltage drop regulation
Enable pin feature
1-µA shutdown current (EN = Low)
80-µA operating quiescent current (EN = High)
2.3-A peak gate turnoff current
Fast response to reverse current blocking:
< 0.75 µs
Meets automotive ISO7637 transient requirements with a suitable TVS Diode
Available in 8 pin SOT-23 package 2.90 mm × 1.60 mm
Military temperature range –55°C to +125°C
One fabrication, assembly and test site
Extended product life cycle
Extended product change notification
Product traceability