JAJSOY6A
May 2023 – December 2023
LM74703-Q1
,
LM74704-Q1
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Device Comparison Table
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
8.3.5
FET Status Indication (FETGOOD)
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
9.2.2.4
Selection of TVS Diodes for 12-V Battery Protection Applications
9.2.2.5
Selection of TVS Diodes and MOSFET for 24-V Battery Protection Applications
9.2.3
Application Curves
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
ドキュメントの更新通知を受け取る方法
10.3
サポート・リソース
10.4
Trademarks
10.5
静電気放電に関する注意事項
10.6
用語集
11
Revision History
12
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
DDF|8
MPDS569D
サーマルパッド・メカニカル・データ
発注情報
jajsoy6a_oa
jajsoy6a_pm
6.7
Typical Characteristics
A.
Figure 6-1
Shutdown Supply Current vs Supply Voltage
A.
Figure 6-3
Enable Sink Current vs Supply Voltage
A.
Figure 6-5
Charge Pump Current vs Supply Voltage at VCAP = 6 V
A.
Figure 6-7
Charge Pump V-I Characteristics at ANODE = 3.2 V
A.
Figure 6-9
Reverse Current Blocking Delay vs Temperature
Figure 6-11
FETGOOD Assert Delay
Figure 6-13
LM74703-Q1 FETGOOD Output Level (Push-Pull Variant)
A.
Figure 6-15
Charge Pump UVLO Threshold vs Temperature
A.
Figure 6-17
Gate Current vs Forward Voltage Drop
A.
Figure 6-2
Operating Quiescent Current vs Supply Voltage
A.
Figure 6-4
CATHODE Sink Current vs Supply Voltage
A.
Figure 6-6
Charge Pump V-I Characteristics at ANODE >= 12 V
A.
Figure 6-8
Enable Falling Threshold vs Temperature
A.
Figure 6-10
Forward Recovery Delay vs Temperature
A.
Figure 6-12
Enable to Gate Delay vs Temperature
A.
Figure 6-14
Charge Pump ON/OFF Threshold vs Temperature
A.
Figure 6-16
ANODE POR Threshold vs Temperature