SNOSD17G
October 2017 – December 2020
LM74700-Q1
PRODMIX
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
7
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Input Voltage
9.3.2
Charge Pump
9.3.3
Gate Driver
9.3.4
Enable
9.4
Device Functional Modes
9.4.1
Shutdown Mode
9.4.2
Conduction Mode
9.4.2.1
Regulated Conduction Mode
9.4.2.2
Full Conduction Mode
9.4.2.3
Reverse Current Protection Mode
10
Application and Implementation
10.1
Application Information
10.1.1
Typical Application
10.1.1.1
Design Requirements
10.1.1.2
Detailed Design Procedure
10.1.1.2.1
Design Considerations
10.1.1.2.2
MOSFET Selection
10.1.1.2.3
Charge Pump VCAP, input and output capacitance
10.1.1.3
Selection of TVS Diodes for 12-V Battery Protection Applications
10.1.1.4
Selection of TVS Diodes and MOSFET for 24-V Battery Protection Applications
10.1.1.5
Application Curves
10.2
OR-ing Application Configuration
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Receiving Notification of Documentation Updates
13.2
Support Resources
13.3
Trademarks
13.4
Electrostatic Discharge Caution
13.5
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DDF|8
MPDS569B
DBV|6
MPDS026O
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snosd17g_oa
snosd17g_pm
1
Features
AEC-Q100 qualified with the following results
Device temperature grade 1:
–40°C to +125°C ambient operating temperature range
Device HBM ESD classification level 2
Device CDM ESD classification level C4B
Functional Safety-Capable
Documentation available to aid functional safety system design
3.2-V to 65-V input range (3.9-V start up)
–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 6-pin and 8-pin SOT-23 Package 2.90 mm × 1.60 mm
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