JAJSF14G
March 2016 – August 2024
TPS56C215
PRODUCTION DATA
1
1
特長
2
アプリケーション
3
概要
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Timing Requirements
5.7
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
PWM Operation and D-CAP3™ Control Mode
6.3.2
Eco-mode Control
6.3.3
4.7-V LDO
6.3.4
MODE Selection
6.3.5
Soft Start and Prebiased Soft Start
6.3.6
Enable and Adjustable UVLO
6.3.7
Power Good
6.3.8
Overcurrent Protection and Undervoltage Protection
6.3.9
UVLO Protection
6.3.10
Thermal Shutdown
6.3.11
Output Voltage Discharge
6.4
Device Functional Modes
6.4.1
Light Load Operation
6.4.2
Standby Operation
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
External Component Selection
7.2.2.1.1
Output Voltage Set Point
7.2.2.1.2
Switching Frequency and MODE Selection
7.2.2.1.3
Inductor Selection
7.2.2.1.4
Output Capacitor Selection
7.2.2.1.5
Input Capacitor Selection
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
サード・パーティ製品に関する免責事項
8.1.2
Development Support
8.2
ドキュメントの更新通知を受け取る方法
8.3
サポート・リソース
8.4
Trademarks
8.5
静電気放電に関する注意事項
8.6
用語集
9
Revision History
10
Mechanical, Packaging, and Orderable Information
10.1
Package Marking
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)
RNN|18
MPQF456D
サーマルパッド・メカニカル・データ
5.7
Typical Characteristics
Figure 5-1
Quiescent Current vs Temperature
Figure 5-3
Feedback Voltage vs Temperature
Figure 5-5
Low-side R
DS(on)
vs Temperature
Figure 5-7
Enable Pullup Current, V
EN
= 1.0 V
Figure 5-9
PGOOD Threshold vs Temperature
Figure 5-11
Efficiency with Internal VREG5 = 4.7 V, V
IN
= 12 V
Figure 5-13
Efficiency, Mode = DCM, F
SW
= 400 kHz
Figure 5-15
Efficiency, Mode = DCM, F
SW
= 1200 kHz
Figure 5-17
Load Regulation, F
SW
= 800 kHz
Figure 5-19
F
SW
Load Regulation, Mode = DCM, F
SW
= 800 kHz
Figure 5-21
F
SW
Load Regulation, Mode = FCCM, F
SW
= 400 kHz
Figure 5-23
F
SW
Load Regulation, Mode = FCCM, F
SW
= 1200 kHz
Figure 5-25
F
SW
Load Regulation, Mode = FCCM, F
SW
= 1200 kHz
Figure 5-2
Shutdown Current vs Temperature
Figure 5-4
High-side R
DS(on)
vs Temperature
Figure 5-6
Soft-Start Charge Current vs Temperature
Figure 5-8
Enable Pullup Current, V
EN
= 1.3 V
Figure 5-10
Current Limit vs Temperature
Figure 5-12
Efficiency with External VREG5 = 5 V, V
IN
= 12 V
Figure 5-14
Efficiency, Mode = FCCM, F
SW
= 400 kHz
Figure 5-16
Efficiency, Mode = FCCM, F
SW
= 1200 kHz
Figure 5-18
F
SW
Load Regulation, Mode = DCM, F
SW
= 400 kHz
Figure 5-20
F
SW
Load Regulation, Mode = DCM, F
SW
= 1200 kHz
Figure 5-22
F
SW
Load Regulation, Mode = FCCM, F
SW
= 800 kHz
Figure 5-24
F
SW
Load Regulation, Mode = FCCM, F
SW
= 400 kHz