JAJSEQ5A
August 2017 – February 2018
UCC24612
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
ハイサイドSRによるフライバック
ローサイドSRによるフライバック
4
改訂履歴
5
Pin Configuration and Functions
Pin 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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power Management
7.3.2
Synchronous Rectifier Control
7.3.3
Adaptive Blanking Time
7.3.3.1
Turn-On Blanking Timer (Minimum On Time)
7.3.3.2
Turn-Off Blanking Timer
7.3.3.3
SR Turn-on Re-arm
7.3.4
Gate Voltage Clamping
7.3.5
Standby Mode
7.4
Device Functional Modes
7.4.1
UVLO Mode
7.4.2
Standby Mode
7.4.3
Run 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
SR MOSFET Selection
8.2.2.2
Bypass Capacitor Selection
8.2.2.3
Snubber design
8.2.2.4
High-Side Operation
8.2.3
Application Curves
8.2.3.1
Steady State Testing Low-Side Configuration
8.2.3.2
Steady State Testing High-Side Configuration
9
Power Supply Recommendations
10
PCB Layout
10.1
Layout Guidelines
10.2
Layout Example
11
デバイスおよびドキュメントのサポート
11.1
コミュニティ・リソース
11.2
商標
11.3
静電気放電に関する注意事項
11.4
Glossary
12
メカニカル、パッケージ、および注文情報
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)
DBV|5
MPDS018T
サーマルパッド・メカニカル・データ
発注情報
jajseq5a_oa
6.7
Typical Characteristics
Figure 1.
UVLO Threshold Voltage vs Temperature
Figure 3.
SR Turn-off Threshold Voltages vs Temperature
Figure 5.
Proportional Gate-drive Threshold vs Temperature
Figure 7.
REG Drop-out in Pass-through Mode vs Temperature, I
LOAD_REG
= 10 mA
Figure 9.
Turn-On Blanking Time vs Temperature
1.
Figure 11.
SR Turn-off Propagation Delay vs Temperature
Figure 2.
Bias Supply Current vs. Temperature (C
VG
= 0 pF, V
VD
= 1 V and No Switching)
Figure 4.
SR Turn-on Threshold Voltage vs Temperature
Figure 6.
REG Pin Voltage vs Temperature at Different Loading Conditions
Figure 8.
Abs. Minimum Turn-off Blanking Time and Maximum Turn-off Blanking Time vs Temperature
1.
Figure 10.
SR Turn-on Delay Time vs Temperature
1.
Figure 12.
Standby Current vs Temperature