JAJSPI9G
June 2011 – April 2024
LP2951-Q1
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
ERROR Function
6.3.2
Programming Output Voltage
6.4
Device Functional Modes
6.4.1
Shutdown Mode
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.1.1
Input Capacitor (CIN)
7.2.1.2
Output Capacitor (COUT)
7.2.2
Detailed Design Procedure
7.2.2.1
Capacitance Value
7.2.2.2
Capacitor Types
7.2.2.3
CBYPASS: Noise and Stability Improvement
7.2.2.4
ESR Range
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
ドキュメントの更新通知を受け取る方法
8.2
サポート・リソース
8.3
Trademarks
8.4
静電気放電に関する注意事項
8.5
用語集
9
Revision History
10
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)
D|8
MSOI002K
DRG|8
MPDS151B
サーマルパッド・メカニカル・データ
DRG|8
QFND084H
発注情報
jajspi9g_oa
jajspi9g_pm
5.6
Typical Characteristics
Figure 5-1
Quiescent Current vs Load Current
Figure 5-3
Input Current vs Input Voltage
Figure 5-5
Output Voltage vs Temperature
Figure 5-7
Quiescent Current vs Input Voltage
Figure 5-9
Quiescent Current vs Temperature
Figure 5-11
Short-Circuit Current vs Temperature
Figure 5-13
Dropout Voltage vs Output Current
Figure 5-15
Feedback Bias Current vs Temperature
Figure 5-17
ERROR
Comparator Sink Current vs Output Low Voltage
V
OUT
= 5 V, C
L
= 1 μF
Figure 5-19
Load Transient Response vs Time
C
L
= 1 μF, I
L
= 1 mA
Figure 5-21
Shutdown Transient Response vs Time
Figure 5-23
Output Impedance vs Frequency
Figure 5-25
Ripple Rejection vs Frequency
Figure 5-27
Output Noise vs Frequency
Figure 5-29
Shutdown Threshold Voltage (OFF to ON) vs Temperature
Figure 5-31
Line Regulation vs Input Voltage
Figure 5-2
Input Current vs Input Voltage
Figure 5-4
Input Current vs Input Voltage
Figure 5-6
Quiescent Current vs Input Voltage
Figure 5-8
Quiescent Current vs Input Voltage
Figure 5-10
Quiescent Current vs Temperature
Figure 5-12
Dropout Voltage vs Temperature
Figure 5-14
Minimum Operating Voltage vs Temperature
Figure 5-16
ERROR
Comparator Output vs Input Voltage
Figure 5-18
Line Transient Response vs Time
V
OUT
= 5 V, C
L
= 10 μF
Figure 5-20
Load Transient Response vs Time
C
L
= 10 μF, I
L
= 1 mA
Figure 5-22
Shutdown Transient Response vs Time
Figure 5-24
Ripple Rejection vs Frequency
Figure 5-26
Ripple Rejection vs Frequency
Figure 5-28
Divider Resistance vs Temperature
Figure 5-30
Shutdown Threshold Voltage (ON to OFF) vs Temperature