SBVS326A
April 2018 – December 2018
TPS745
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
6.6
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Undervoltage Lockout (UVLO)
7.3.2
Shutdown
7.3.3
Foldback Current Limit
7.3.4
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Device Functional Mode Comparison
7.4.2
Normal Operation
7.4.3
Dropout Operation
7.4.4
Disabled
8
Application and Implementation
8.1
Application Information
8.1.1
Adjustable Device Feedback Resistors
8.1.2
Input and Output Capacitor Selection
8.1.3
Dropout Voltage
8.1.4
Exiting Dropout
8.1.5
Reverse Current
8.1.6
Power Dissipation (PD)
8.1.7
Power-Good Function
8.1.8
Feed-Forward Capacitor (CFF)
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Input Current
8.2.2.2
Thermal Dissipation
8.2.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRV|6
MPDS216E
Thermal pad, mechanical data (Package|Pins)
DRV|6
QFND087M
Orderable Information
sbvs326a_oa
sbvs326a_pm
1
Features
Input Voltage Range: 1.5 V to 6.0 V
Adjustable Output Voltage:
0.55 V to 5.5 V
Very
Low Dropout:
130 mV (max) at 500 mA (3.3 V
OUT
)
High Output Accuracy: 0.7% (Typical) and 1% (Maximum Over Temperature)
Open-Drain Power-Good Output
I
Q
: 25 µA (Typical)
Built-In Soft-Start With Monotonic V
OUT
Rise
Package:
2-mm × 2-mm WSON-6 (DRV)
Active Output Discharge