SLVSH66A
February 2023 – November 2023
TPSM63608
PRODUCTION DATA
1
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
System Characteristics
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Input Voltage Range (VIN1, VIN2)
8.3.2
Adjustable Output Voltage (FB)
8.3.3
Input Capacitors
8.3.4
Output Capacitors
8.3.5
Switching Frequency (RT)
8.3.6
Precision Enable and Input Voltage UVLO (EN)
8.3.7
Frequency Synchronization (SYNC/MODE)
8.3.8
Spread Spectrum
8.3.9
Power-Good Monitor (PG)
8.3.10
Adjustable Switch-Node Slew Rate (RBOOT, CBOOT)
8.3.11
Bias Supply Regulator (VCC, VLDOIN)
8.3.12
Overcurrent Protection (OCP)
8.3.13
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Shutdown Mode
8.4.2
Standby Mode
8.4.3
Active Mode
9
Applications and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Design 1 – High-Efficiency 6-A (8-A peak) Synchronous Buck Regulator for Industrial Applications
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Custom Design With WEBENCH® Tools
9.2.1.2.2
Output Voltage Setpoint
9.2.1.2.3
Switching Frequency Selection
9.2.1.2.4
Input Capacitor Selection
9.2.1.2.5
Output Capacitor Selection
9.2.1.2.6
Other Connections
9.2.1.3
Application Curves
9.2.2
Design 2 – Inverting Buck-Boost Regulator with Negative Output Voltage
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.2.1
Output Voltage Setpoint
9.2.2.2.2
IBB Maximum Output Current
9.2.2.2.3
Switching Frequency Selection
9.2.2.2.4
Input Capacitor Selection
9.2.2.2.5
Output Capacitor Selection
9.2.2.2.6
Other Considerations
9.2.2.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.1.1
Thermal Design and Layout
9.4.2
Layout Example
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
Package Options
Mechanical Data (Package|Pins)
RDF|22
MPQF620
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsh66a_oa
slvsh66a_pm
1
Features
Functional Safety-Capable
Documentation available to aid functional safety system design
Versatile
36-V
IN
, 6-A
OUT
synchronous buck module
Integrated MOSFETs, inductor, and controller
Adjustable output voltage from 1 V to
20 V
6.5-mm × 7.5-mm × 4-mm overmolded package
–40°C
to 125°C junction temperature range
Frequency adjustable from 200 kHz to 2.2 MHz
Negative output voltage
capability
Ultra-high efficiency across the full load range
Peak efficiency of 95%+
External bias option for improved efficiency
Exposed pad for low thermal impedance. EVM
θ
JA
= 18.2
°
C/W.
Shutdown quiescent current of 0.6 µA (typical)
0.5-V typical dropout voltage at 4-A load
Ultra-low
conducted and radiated EMI
signatures
Low-noise package with dual input paths and integrated capacitors reduces switch ringing
Resistor-adjustable switch-node slew rate
Meets CISPR 11 and 32 Class B emissions
Designed for scalable power supplies
Pin compatible with the TPSM63610 (36 V, 8 A)
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
TPSM63608
with the
WEBENCH®
Power Designer