JAJSOE8A
November 2015 – July 2022
TPS51216-EP
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
4
Revision History
5
概要 (続き)
6
Pin Configuration and 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
VDDQ Switch Mode Power Supply Control
8.3.2
VREF and REFIN, VDDQ Output Voltage
8.3.3
Soft-Start and Powergood
8.3.4
Power State Control
8.3.5
Discharge Control
8.3.6
VTT Overcurrent Protection
8.3.7
V5IN Undervoltage Lockout (UVLO) Protection
8.3.8
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
MODE Pin Configuration
9
Application and Implementation
9.1
Application Information
9.1.1
D-CAP Mode
9.1.2
Light-Load Operation
9.1.3
VTT and VTTREF
9.1.4
VDDQ Overvoltage and Undervoltage Protection
9.1.5
VDDQ Overcurrent Protection
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
List of Materials
9.2.2.2
External Components Selection
9.2.3
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Receiving Notification of Documentation Updates
12.2
サポート・リソース
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
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)
RUK|20
MPQF220D
サーマルパッド・メカニカル・データ
RUK|20
QFND191D
発注情報
jajsoe8a_oa
jajsoe8a_pm
7.6
Typical Characteristics
Figure 7-2
V5IN Supply Current vs Junction Temperature
Figure 7-4
VLDOIN Supply Current vs Junction Temperature
Figure 7-6
OVP/UVP Threshold vs Junction Temperature
Figure 7-8
VTT Discharge Current vs Junction Temperature
Figure 7-10
Switching Frequency vs Input Voltage
Figure 7-12
Switching Frequency vs Load Current
Figure 7-14
Line Regulation
Figure 7-16
VTTREF Load Regulation
Figure 7-18
VTT Load Regulation
Figure 7-20
VTT Load Regulation
Figure 7-22
1.5-V Load Transient Response
Figure 7-24
1.5-V Startup Waveforms
Figure 7-26
1.5-V Soft-Stop Waveforms (Tracking Discharge)
Figure 7-28
VTT Bode Plot (Sink)
Figure 7-3
V5IN Shutdown Current vs Junction Temperature
Figure 7-5
Current Sense Current vs Junction Temperature
Figure 7-7
VDDQSNS Discharge Current vs Junction Temperature
Figure 7-9
Switching Frequency vs Input Voltage
Figure 7-11
Switching Frequency vs Load Current
Figure 7-13
Load Regulation
Figure 7-15
VTTREF Load Regulation
Figure 7-17
VTTREF Load Regulation
Figure 7-19
VTT Load Regulation
Figure 7-21
Efficiency
Figure 7-23
VTT Load Transient Response
Figure 7-25
1.5-V Startup Waveforms (0.5-V Pre-Biased)
Figure 7-27
1.5-V Soft-Stop Waveforms (Non-Tracking Discharge)
Figure 7-29
VTT Bode Plot (Source)