SLVSDT4F
October 2017 – December 2021
TPS2662
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Timing Requirements
7.7
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Undervoltage Lockout (UVLO)
9.3.2
Overvoltage Protection (OVP)
9.3.3
Hot Plug-In and Inrush Current Control
9.3.4
Reverse Polarity Protection
9.3.4.1
Input Side Reverse Polarity Protection
9.3.4.2
Output Side Reverse Polarity Protection
9.3.5
Overload and Short-Circuit Protection
9.3.5.1
Overload Protection
28
9.3.5.2
Short-Circuit Protection
9.3.5.2.1
Start-Up With Short-Circuit On Output
9.3.6
Reverse Current Protection
9.3.7
FAULT Response
9.3.8
IN, OUT, RTN, and GND Pins
9.3.9
Thermal Shutdown
9.4
Device Functional Modes
9.4.1
Low Current Shutdown Control (SHDN)
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Step-by-Step Design Procedure
10.2.2.2
Programming the Current Limit Threshold R(ILIM) Selection
10.2.2.3
Undervoltage Lockout and Overvoltage Set Point
10.2.2.4
Setting Output Voltage Ramp Time—(tdVdT)
10.2.2.4.1
Case 1: Start-Up Without Load—Only Output Capacitance C(OUT) Draws Current During Start-Up
10.2.2.4.2
Case 2: Start-Up With Load —Output Capacitance C(OUT) and Load Draws Current During Start-Up
10.2.2.4.3
Support Component Selections – R FLT and C(IN)
10.2.3
Application Curves
10.3
System Examples
10.3.1
Field Supply Protection in PLC, DCS I/O Modules
10.3.2
Simple 24-V Power Supply Path Protection
10.3.3
Power Stealing in Smart Thermostat
10.4
Do's and Don'ts
11
Power Supply Recommendations
11.1
Transient Protection
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Documentation Support
13.1.1
Related Documentation
13.2
Receiving Notification of Documentation Updates
13.3
Support Resources
13.4
Trademarks
13.5
Electrostatic Discharge Caution
13.6
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRC|10
MPDS117L
Thermal pad, mechanical data (Package|Pins)
DRC|10
QFND013N
Orderable Information
slvsdt4f_oa
slvsdt4f_pm
1
Features
4.5-V to 60-V operating voltage,
62-V absolute maximum
Integrated reverse input polarity protection to
–60 V
Integrated reverse output polarity protection to
– (60 – V
IN
) (TPS26624 and TPS26625 only)
Integrated back to back MOSFETs with 478-mΩ total RON
25-mA to 880-mA adjustable current limit
(±5% accuracy at 880 mA)
Load protection during surge (IEC 61000-4-5) with minimum external components
Electrical fast transients immunity according to IEC 61000-4-4
Fast reverse current blocking response (0.3 µs)
Adjustable UVLO, OVP cut off,
output slew rate control for inrush current limiting
Fixed 38-V overvoltage clamp
(TPS26622 and TPS26623 only)
Low quiescent current, 340 µA in operating,
12 µA in shutdown
Small foot print – 10L (3 mm × 3 mm) VSON
UL 2367 recognized
File No. 169910
R
ILIM
≥ 7.5 kΩ (0.91-A maximum )
IEC 62368-1 certified