SLVSHK8
December 2023
TPSM64406
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
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
System Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Input Voltage Range (VIN1, VIN2)
7.3.2
Enable EN Pin and Use as VIN UVLO
7.3.3
CONFIG Device Configuration Pin
7.3.4
Adjustable Switching Frequency
7.3.5
Spread Spectrum
7.3.6
Adjustable Output Voltage (FB)
7.3.7
Input Capacitors
7.3.8
Output Capacitors
7.3.9
SYNC Allows Clock Synchronization and Mode Selection
7.3.10
Power-Good Output Voltage Monitoring
7.3.11
Bias Supply Regulator (VCC, VOSNS)
7.3.12
Overcurrent Protection (OCP)
7.3.13
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Standby Mode
7.4.3
Active Mode
8
Applications and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Design 1 – High-efficiency Dual Output 5 V at 3 A, 3.3 V at 3 A, Synchronous Buck Regulator
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Output Voltage Setpoint
8.2.1.2.2
Switching Frequency Selection
8.2.1.2.3
Input Capacitor Selection
8.2.1.2.4
Output Capacitor Selection
8.2.1.2.5
Other Considerations
8.2.1.3
Application Curves
8.2.2
Design 2 – High-efficiency 6 A Synchronous Buck Regulator for Industrial Applications
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.2.1
Output Voltage Setpoint
8.2.2.2.2
Switching Frequency Selection
8.2.2.2.3
Input Capacitor Selection
8.2.2.2.4
Output Capacitor Selection
8.2.2.2.5
Other Connections
8.2.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
Thermal Design and Layout
8.4.2
Layout Example
9
Custom Design With WEBENCH® Tools
10
Device and Documentation Support
10.1
Device Support
10.1.1
Third-Party Products Disclaimer
10.1.2
Development Support
10.1.2.1
Custom Design With WEBENCH® Tools
10.2
Documentation Support
10.2.1
Related Documentation
10.3
Receiving Notification of Documentation Updates
10.4
Support Resources
10.5
Trademarks
10.6
Electrostatic Discharge Caution
10.7
Glossary
11
Mechanical, Packaging, and Orderable Information
11.1
Mechanical Data
Package Options
Mechanical Data (Package|Pins)
RCH|28
MPQF746
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvshk8_oa
slvshk8_pm
1
Features
Versatile dual output voltage or multiphase single output synchronous buck module
Integrated MOSFETs, inductor, and controller
Wide input voltage range of 3 V to 36 V
Adjustable output voltage from 0.8 V to 16 V
6.5-mm × 7.0-mm × 2-mm overmolded package
–40°C to 125°C junction temperature range
Negative output voltage
capability
Ultra-high efficiency across the full load range
Peak efficiency of 93.5%+
External bias option for improved efficiency
Exposed Pad for low thermal impedance. EVM
θ
JA
= 20
°
C/W.
Shutdown quiescent current of 0.6 µA (typical)
Ultra-low
conducted and radiated EMI
signatures
Low-noise package with dual input paths and integrated capacitors reduces switch ringing
Meets CISPR 11 and 32 Class B emissions
Designed for scalable power supplies
Inherent protection features for robust design
Precision enable input and open-drain PGOOD indicator for sequencing, control, and V
IN
UVLO
Overcurrent and thermal shutdown protections
Create a custom design using the
TPSM64406
with the
WEBENCH®
Power Designer