SNOSD36A
August 2017 – December 2017
LPV821
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Low-Side, Always-On Current Sense
4
Revision History
5
Description (continued)
6
Pin Configuration and Functions
Pin Functions: LPV821 DBV
Pin Functions: LPV822 DSG (Preview)
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
Operating Voltage
8.3.2
Input
8.3.3
Internal Offset Correction
8.3.4
Input Offset Voltage Drift
8.4
Device Functional Modes
8.4.1
EMI Performance and Input Filtering
8.4.2
Driving Capacitive Load
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Low-Side Current Measurement
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
General Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Development Support
12.2
Related Links
12.3
Receiving Notification of Documentation Updates
12.4
Community Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snosd36a_oa
snosd36a_pm
9.2.1.1
Design Requirements
The design requirements are as follows:
Supply Voltage: 3.3 V DC
Input: 1 A (Max)
Output: 1.65V ± 1.54 V ; (110 mV to 3.19 V)