SLVSEN5B
October 2018 – May 2019
TPS22919
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
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
Switching Characteristics
6.7
Typical Characteristics
7
Parameter Measurement Information
7.1
Test Circuit and Timing Waveforms Diagrams
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
On and Off Control
8.3.2
Output Short Circuit Protection (ISC)
8.3.3
Fall Time (tFALL) and Quick Output Discharge (QOD)
8.3.3.1
QOD When System Power is Removed
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Limiting Inrush Current
9.2.2.2
Setting Fall Time for Shutdown Power Sequencing
9.2.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Thermal Considerations
12
Device and Documentation Support
12.1
Receiving Notification of Documentation Updates
12.2
Community Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DCK|6
MPDS114C
Thermal pad, mechanical data (Package|Pins)
DCK|6
QFND228B
Orderable Information
slvsen5b_oa
slvsen5b_pm
1
Features
Input operating voltage range (V
IN
):
1.6 V to 5.5 V
Maximum continuous current (I
MAX
): 1.5 A
On-Resistance (R
ON
):
5-V V
IN
: 89 mΩ (typical)
3.6-V V
IN
: 90 mΩ (typical)
1.8-V V
IN
: 105 mΩ (typical)
Output short protection (I
SC
): 3 A (typical)
Low power consumption:
ON state (I
Q
): 8 µA (typical)
OFF state (I
SD
): 2 nA (typical)
Smart ON pin pull down (R
PD
):
ON ≥ V
IH
(I
ON
): 100 nA (maximum)
ON ≤ V
IL
(R
PD
): 530 kΩ (typical)
Slow Turn ON timing to limit inrush current (t
ON
):
5.0 V Turn ON time (t
ON
):
1.95 ms at 3.2 mV/μs
3.6 V Turn ON time (t
ON
):
1.75 ms at 2.7 mV/μs
1.8 V Turn ON time (t
ON
):
1.5 ms at 1.8 mV/μs
Adjustable output discharge and fall time:
Internal QOD resistance = 24 Ω (typical)