JAJS873L
March 2000 – December 2023
LP2982
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
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Output Enable
6.3.2
Dropout Voltage
6.3.3
Current Limit
6.3.4
Undervoltage Lockout (UVLO)
6.3.5
Output Pulldown
6.3.6
Thermal Shutdown
6.4
Device Functional Modes
6.4.1
Device Functional Mode Comparison
6.4.2
Normal Operation
6.4.3
Dropout Operation
6.4.4
Disabled
7
Application and Implementation
7.1
Application Information
7.1.1
Recommended Capacitor Types
7.1.1.1
Recommended Capacitors for the Legacy Chip
7.1.1.2
Recommended Capacitors for the New Chip
7.1.2
Input and Output Capacitor Requirements
7.1.3
Noise Bypass Capacitor (CBYPASS)
7.1.4
Reverse Current
7.1.5
Power Dissipation (PD)
7.1.6
Estimating Junction Temperature
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
ON/ OFF Input Operation
7.2.3
Application Curves
8
Power Supply Recommendations
9
Layout
9.1
Layout Guidelines
9.2
Layout Example
10
デバイスおよびドキュメントのサポート
10.1
デバイス命名規則
10.2
サード・パーティ製品に関する免責事項
10.3
ドキュメントのサポート
10.3.1
関連資料
10.4
Receiving Notification of Documentation Updates
10.5
サポート・リソース
10.6
商標
10.7
静電気放電に関する注意事項
10.8
用語集
11
Revision History
12
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)
DBV|5
MPDS018T
サーマルパッド・メカニカル・データ
発注情報
jajs873l_oa
jajs873l_pm
7.2.3
Application Curves
V
IN
= 6 V
Figure 7-3
5-V, 2.2-μF ESR Curves (Legacy chip)
Figure 7-5
Line Transient Response (Legacy chip)
V
OUT
= 3.3 V, ΔV
IN
= 1 V, I
OUT
= 50 mA, dV/dt = 1 V/μs
Figure 7-7
Line Transient Response (New Chip)
Figure 7-9
Load Transient Response (Legacy chip)
Figure 7-11
Load Transient Response (Legacy chip)
Figure 7-13
Turnon Waveform (Legacy chip)
Figure 7-15
Turnon Waveform (Legacy chip)
C
byp
= 0.1 nF
Figure 7-17
Turnon Waveform (New chip)
V
IN
= 4 V
Figure 7-4
3-V, 4.7-μF ESR Curves (Legacy chip)
Figure 7-6
Line Transient Response (Legacy chip)
Figure 7-8
Load Transient Response (Legacy chip)
Figure 7-10
Load Transient Response (Legacy chip)
dI/dt = 1 A/μs
Figure 7-12
Load Transient Response (New Chip)
Figure 7-14
Turnon Waveform (Legacy chip)
C
byp
= 0 nF
Figure 7-16
Turnon Waveform (New chip)
C
byp
= 1 nF
Figure 7-18
Turnon Waveform (New chip)