SLVSDF8B
December 2016 – July 2017
TPSM84A22
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
Transient Response
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
Package Specifications
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Adjusting the Output Voltage (VADJ)
7.3.2
Input and Output Capacitance
7.3.3
Transient Response
7.3.3.1
Transient Response Waveforms
7.3.4
Oscillator Frequency
7.3.5
External Clock Syncronization
7.3.6
Soft Start
7.3.7
Power Good (PGOOD)
7.3.8
Gate Driver (VG)
7.3.9
Startup into Pre-biased Outputs
7.3.10
Thermal Shutdown
7.3.11
Overcurrent Protection
7.3.12
Output Undervoltage/Overvoltage Protection
7.3.13
Enable (EN)
7.3.14
Undervoltage Lockout (UVLO)
7.4
Device Functional Modes
7.4.1
Active Mode
7.4.2
Light Load Operation
7.4.3
Shutdown Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Setting the Output Voltage
8.2.2.2
Input and Output Capacitance
8.2.2.3
Power Good (PGOOD)
8.2.2.4
External VG Voltage
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
10.3
EMI
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
12.1
Tape and Reel Information
Package Options
Mechanical Data (Package|Pins)
MOJ|20
MPQF470
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsdf8b_oa
slvsdf8b_pm
1
Features
Fully Integrated Power Solution Includes Input
and
Output Capacitors
Only Requires a Single Voltage Setting Resistor
9 mm x 15 mm Footprint
2.3 mm Max Height
Pin Compatible with
TPSM84A21
Ultra-Fast Load Step Response
Efficiencies up to 90%
1% Output Voltage Accuracy
4 MHz Switching Frequency
Synchronizes to an External Clock
Power Good Output
Pre-bias Output Start-up
Programmable Under-Voltage Lockout (UVLO)
Operating IC Junction Range: -40°C to +125°C
Operating Ambient Range: -40°C to +85°C
Meets EN55022 Class B Emissions