SLVSAI4E
September 2010 – September 2024
TPS74801-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
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: IOUT = 50 mA
5.7
Typical Characteristics: IOUT = 1 A
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagrams
6.3
Feature Description
6.3.1
Programmable Soft-Start
6.3.2
Sequencing Requirements
6.3.3
Output Noise
6.3.4
Enable and Shutdown
6.3.5
Power Good
6.3.6
Internal Current Limit
6.3.7
Thermal Protection
6.4
Device Functional Modes
6.4.1
Normal Operation
6.4.2
Dropout Operation
6.4.3
Disabled
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Input, Output, and Bias Capacitor Requirements
7.2.2.2
Transient Response
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.1.1
Layout Recommendations and Power Dissipation
7.4.1.2
Estimating Junction Temperature
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Documentation Support
8.1.1
Related Documentation
8.1.2
Device Nomenclature
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RGW|20
MPQF122C
DRC|10
MPDS117L
Thermal pad, mechanical data (Package|Pins)
RGW|20
QFND012L
DRC|10
QFND709
Orderable Information
slvsai4e_oa
slvsai4e_pm
1
Features
AEC-Q100 qualified for automotive applications:
Temperature grade 1: –40°C to +125°C, T
A
V
OUT
range: 0.8V to 3.6V
Ultra-low V
IN
range: 0.8V to 5.5V
V
BIAS
range 2.7V to 5.5V
Low dropout: 60mV typ at 1.5A, V
BIAS
= 5V
Power-good (PG) output allows supply monitoring or provides a sequencing signal for other supplies
2% accuracy over line, load, and temperature
Programmable soft-start provides linear voltage start-up
V
BIAS
permits low V
IN
operation with good transient response
Stable with any output capacitor ≥ 2.2μF
Available in small 3mm × 3mm × 1mm VSON-10 and 5mm × 5mm VQFN-20 packages