SBVS442
December 2022
TPS748A
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and 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
6.6
Typical Characteristics: IOUT = 50 mA
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Enable and Shutdown
7.3.2
Active Discharge
7.3.3
Power-Good Output (PG)
7.3.4
Internal Current Limit
7.3.5
Thermal Shutdown Protection (TSD)
7.4
Device Functional Modes
7.4.1
Normal Operation
7.4.2
Dropout Operation
7.4.3
Disabled
8
Application and Implementation
8.1
Application Information
8.1.1
Input, Output, and Bias Capacitor Requirements
8.1.2
Dropout Voltage
8.1.3
Output Noise
8.1.4
Estimating Junction Temperature
8.1.5
Soft Start, Sequencing, and Inrush Current
8.1.6
Power-Good Operation
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curve
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
Board Layout
8.4.1.2
RTJ Package—High CTE Mold Compound
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRC|10
MPDS117L
Thermal pad, mechanical data (Package|Pins)
DRC|10
QFND709
Orderable Information
sbvs442_oa
sbvs442_pm
1
Features
V
OUT
range: 0.8 V to 3.6 V
Ultra-low V
IN
range: 0.8 V to 6.0 V
V
BIAS
range: 2.7 V to 6.0 V
Low dropout: 75 mV typical at 1.5 A, V
BIAS
= 5 V
Power-good (PG) output allows supply monitoring or provides a sequencing signal for other supplies
0.85% 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 ≥ 10 μF
Available in small, 3-mm × 3-mm × 1-mm VSON-10 packages