JAJS239G
June 2007 – April 2018
TPS62290
,
TPS62291
,
TPS62293
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
代表的なアプリケーションの回路図
効率と出力電流との関係
4
改訂履歴
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Dynamic Voltage Positioning
8.3.2
Enable
8.3.3
Mode Selection
8.3.4
Undervoltage Lockout
8.3.5
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Soft-Start
8.4.2
Power Save Mode
8.4.3
100% Duty Cycle Low Dropout Operation
8.4.4
Short-Circuit Protection
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
Output Voltage Setting
9.2.2.2
Output Filter Design (Inductor and Output Capacitor)
9.2.2.2.1
Inductor Selection
9.2.2.2.2
Output Capacitor Selection
9.2.2.2.3
Input Capacitor Selection
9.2.3
Application Curves
9.3
System Examples
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
デバイスおよびドキュメントのサポート
12.1
デバイス・サポート
12.1.1
デベロッパー・ネットワークの製品に関する免責事項
12.2
関連リンク
12.3
コミュニティ・リソース
12.4
商標
12.5
静電気放電に関する注意事項
12.6
Glossary
13
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)
DRV|6
MPDS216E
サーマルパッド・メカニカル・データ
DRV|6
QFND087M
発注情報
jajs239g_oa
jajs239g_pm
9.2.3
Application Curves
Figure 7.
Efficiency (Power Save Mode) vs Output Current, V
OUT
= 1.8 V
Figure 9.
Efficiency (Power Save Mode) vs Output Current, V
OUT
= 3.3 V
Figure 11.
Output Voltage Accuracy (1.8-V Forced PWM Mode) vs Output Current
Figure 13.
Output Voltage Accuracy 3.3-V Forced PWM Mode vs Output Current
Figure 15.
Typical Operation vs PFM Mode
Figure 17.
PFM Load Transient
Figure 19.
PWM Load Transient
Figure 8.
Efficiency (Forced PWM Mode) vs Output Current, V
OUT
= 1.8 V
Figure 10.
Efficiency (Forced PWM Mode) vs Output Current, V
OUT
= 3.3 V
Figure 12.
Output Voltage Accuracy (1.8-V Power Save Mode) vs Output Current
Figure 14.
Output Voltage Accuracy 3.3-V Power Save Mode vs Output Current
Figure 16.
Typical Operation vs PWM Mode
Figure 18.
PFM Line Transient
Figure 20.
PWM Line Transient