JAJSMH6E
July 2021 – August 2023
TPS7H5001-SP
,
TPS7H5002-SP
,
TPS7H5003-SP
,
TPS7H5004-SP
PRODMIX
1
1
特長
2
アプリケーション
3
説明
4
Revision History
5
Device Comparison Table
6
Device Options
7
Pin Configuration and Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics: All Devices
8.6
Electrical Characteristics: TPS7H5001-SP
8.7
Electrical Characteristics: TPS7H5002-SP
8.8
Electrical Characteristics: TPS7H5003-SP
8.9
Electrical Characteristics: TPS7H5004-SP
8.10
Typical Characteristics
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
VIN and VLDO
9.3.2
Start-Up
9.3.3
Enable and Undervoltage Lockout (UVLO)
9.3.4
Voltage Reference
9.3.5
Error Amplifier
9.3.6
Output Voltage Programming
9.3.7
Soft Start (SS)
9.3.8
Switching Frequency and External Synchronization
9.3.8.1
Internal Oscillator Mode
9.3.8.2
External Synchronization Mode
9.3.8.3
Primary-Secondary Mode
9.3.9
Primary Switching Outputs (OUTA/OUTB)
9.3.10
Synchronous Rectifier Outputs (SRA and SRB)
9.3.11
Dead Time and Leading Edge Blank Time Programmability (PS, SP, and LEB)
9.3.12
Pulse Skipping
9.3.13
Duty Cycle Programmability
9.3.14
Current Sense and PWM Generation (CS_ILIM)
9.3.15
Hiccup Mode Operation (HICC)
9.3.16
External Fault Protection (FAULT)
9.3.17
Slope Compensation (RSC)
9.3.18
Frequency Compensation
9.3.19
Thermal Shutdown
9.4
Device Functional Modes
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Switching Frequency
10.2.2.2
Output Voltage Programming Resistors
10.2.2.3
Dead Time
10.2.2.4
Leading Edge Blank Time
10.2.2.5
Soft-Start Capacitor
10.2.2.6
Transformer
10.2.2.7
Main Switching FETs
10.2.2.8
Synchronous Rectificier FETs
10.2.2.9
RCD Clamp
10.2.2.10
Output Inductor
10.2.2.11
Output Capacitance and Filter
10.2.2.12
Sense Resistor
10.2.2.13
Hiccup Capacitor
10.2.2.14
Frequency Compensation Components
10.2.2.15
Slope Compensation Resistor
10.2.3
Application Curves
10.3
Power Supply Recommendations
10.4
Layout
10.4.1
Layout Guidelines
10.4.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
ドキュメントの更新通知を受け取る方法
11.3
サポート・リソース
11.4
Trademarks
11.5
静電気放電に関する注意事項
11.6
用語集
12
Mechanical, Packaging, and Orderable Information
1
特長
耐放射線性能:
放射線耐性保証 (RHA):
TID 最大 100krad(Si)
SEL、SEB、SEGR 耐性:
LET = 75MeV-cm
2
/mg (最大値)
SET および SEFI 特性:
LET = 75MeV-cm
2
/mg (最大値)
SET 特性評価時にコントローラ出力のクロス導通イベント発生なし
入力電圧:4V~14V
温度、放射線、ラインおよび負荷レギュレーションの全範囲で 0.613V +0.7%/–1% の基準電圧
スイッチング周波数:100kHz~2MHz
外部クロック同期機能
複数の同期整流出力
TPS7H5001-SP、TPS7H5002-SP、
TPS7H5003-SP
デッドタイムを調整可能
TPS7H5001-SP、TPS7H5002-SP
リーディング・エッジ・ブランク時間を調整可能
TPS7H5001-SP、TPS7H5002-SP、
TPS7H5004-SP
デューティ・サイクル制限値を設定可能
TPS7H5001-SP、TPS7H5002-SP、
TPS7H5003-SP
スロープ補償とソフト・スタートを調整可能
パッケージ・オプションには CFP (すべてのデバイス) と TSSOP (TPS7H5001-SP) が含まれる