SNVSBF5C
July 2019 – May 2020
LP3470A
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Basic Operating Circuit
Typical Supply Current for LP3470A
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin Functions
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
Timing Requirements
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
RESET Time-Out Period
8.3.2
RESET Output
8.3.3
Pull-up Resistor Selection
8.3.4
VCC Transient Immunity
8.4
Device Functional Modes
8.4.1
RESET Output Low
8.4.2
RESET Output High
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Receiving Notification of Documentation Updates
12.2
Support Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvsbf5c_oa
snvsbf5c_pm
1
Features
Pin-to-pin compatible with LP3470
5-Pin SOT-23 package
Open-drain
RESET
output
Programmable reset time-out period using an external capacitor
Immune to short VCC transients
±1% Reset threshold accuracy (typical)
Ultra-low quiescent current (0.3 µA typical)
RESET
valid down to VCC = 0.95 V