SLVSDI8C
october 2016 – august 2023
TPS568215
PRODUCTION DATA
1
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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
PWM Operation and D-CAP3 Control Mode
7.3.2
Eco-mode Control
7.3.3
4.7 V LDO and External Bias
7.3.4
MODE Selection
7.3.5
Soft Start and Pre-biased Soft Start
7.3.6
Enable and Adjustable UVLO
7.3.7
Power Good
7.3.8
Overcurrent Protection and Undervoltage Protection
7.3.9
Out-of-Bounds Operation
7.3.10
UVLO Protection
7.3.11
Thermal Shutdown
7.3.12
Output Voltage Discharge
7.4
Device Functional Modes
7.4.1
Light Load Operation
7.4.2
Standby Operation
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
External Component Selection
8.2.2.1.1
Output Voltage Set Point
8.2.2.1.2
Switching Frequency and Mode Selection
8.2.2.1.3
Inductor Selection
8.2.2.1.4
Output Capacitor Selection
8.2.2.1.5
Input Capacitor Selection
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Third-Party Products Disclaimer
9.1.2
Development Support
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)
RNN|18
MPQF456D
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsdi8c_oa
slvsdi8c_pm
1
Features
Integrated 19-mΩ and 9.4-mΩ MOSFETs
Selectable F
SW
of 400 kHz, 800 kHz, and 1.2 MHz
Adjustable current limit settings with hiccup re-start
0.6-V ±1% reference voltage across full temperature range
Optional external 5-V bias support for enhanced efficiency
D-CAP3™
control mode for fast transient response
Selectable forced continuous conduction mode (FCCM) for tight output voltage ripple or auto- skipping Eco-mode™ for high light-load efficiency
0.6-V to 5.5-V output voltage range
Supports all ceramic capacitors
Monotonic start-up into pre-biased outputs
Adjustable soft start with a default 1-ms soft-start time
–40°C to 150°C operating junction temperature
Small 3.5-mm × 3.5-mm
HotRod™
QFN package
Pin-to-pin compatible with 8-A
TPS568231
and
12-A
TPS56C231
and
TPS56C215
Supported at the
WEBENCH®
design center