SNOSC63B
February 2012 – December 2014
LMP8646
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application
4
Revision History
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics: 2.7 V
6.6
Electrical Characteristics: 5 V
6.7
Electrical Characteristics: 12 V
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Theory of Operation
7.3.1.1
Maximum Output Voltage, VOUT_MAX
7.3.1.1.1
Case 1: −2 V < VCM < 1.8 V, and VS > 2.7 V
7.3.1.1.2
Case 2: 1.8 V < VCM < VS, and VS > 3.3 V
7.3.1.1.3
Case 3: VCM > VS, and VS > 2.7 V
7.4
Device Functional Modes
7.4.1
Output Accuracy
7.4.2
Selection of the Sense Resistor, RSENSE
7.4.2.1
RSENSE Consideration for System Error
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Application #1: Current Limiter With a Capacitive Load
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
8.2.2
Application #2: Current Limiter With a Resistive Load
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Curve
8.2.3
Application #3: Current Limiter With a Low-Dropout Regulator and Resistive Load
8.2.3.1
Design Requirements
8.2.3.2
Detailed Design Procedure
8.2.3.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Trademarks
11.2
Electrostatic Discharge Caution
11.3
Glossary
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)
DDC|6
MPDS124I
サーマルパッド・メカニカル・データ
発注情報
snosc63b_oa
snosc63b_pm
2
Applications
High-Side and Low-Side Current Limit
Circuit Fault Protection
Battery and Supercap Charging
LED Constant Current Drive
Power Management