SNVSCI1A
October 2023 – December 2023
TPSM365R1
,
TPSM365R15
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
Enable, Shutdown, and Start-Up
7.3.2
External CLK SYNC (With MODE/SYNC)
7.3.2.1
Pulse Dependent MODE/SYNC Pin Control
7.3.3
Adjustable Switching Frequency (with RT)
7.3.4
Power-Good Output Operation
7.3.5
Internal LDO, VCC UVLO, and VOUT/FB Input
7.3.6
Bootstrap Voltage and VBOOT-UVLO (BOOT Terminal)
7.3.7
Output Voltage Selection
7.3.8
Spread Spectrum
7.3.9
Soft Start and Recovery from Dropout
7.3.9.1
Soft Start
7.3.9.2
Recovery from Dropout
7.3.10
Current Limit and Short Circuit
7.3.11
Thermal Shutdown
7.3.12
Input Supply Current
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Standby Mode
7.4.3
Active Mode
7.4.3.1
CCM Mode
7.4.3.2
AUTO Mode - Light Load Operation
7.4.3.2.1
Diode Emulation
7.4.3.2.2
Frequency Reduction
7.4.3.3
FPWM Mode - Light Load Operation
7.4.3.4
Minimum On-time Operation
7.4.3.5
Dropout
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
Custom Design With WEBENCH® Tools
8.2.2.2
Choosing the Switching Frequency
8.2.2.3
Setting the Output Voltage
8.2.2.4
Input Capacitor Selection
8.2.2.5
Output Capacitor Selection
8.2.2.6
VCC
8.2.2.7
CFF Selection
8.2.2.8
External UVLO
8.2.2.9
Power-Good Signal
8.2.2.10
Maximum Ambient Temperature
8.2.2.11
Other Connections
8.2.3
Application Curves
8.3
Best Design Practices
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Device Nomenclature
9.1.2
Development Support
9.1.2.1
Custom Design With WEBENCH® Tools
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RDN|11
MPQF642B
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvsci1a_oa
1
Features
Functional Safety-Capable
Documentation available to aid functional safety system design
Versatile synchronous buck DC/DC module:
Integrated MOSFETs, inductor, and controller
3-V to 65-V wide input voltage range
Up to 70-V input transient
–40°C to +125°C junction temperature range
4.5-mm × 3.5-mm × 2-mm overmolded package
Frequency adjustable from 200 kHz to 2.2 MHz using the RT pin
Optimized for ultra-low EMI requirements:
Pseudo-random spread spectrum reduces peak emissions
Pin selectable FPWM mode for constant frequency at light loads with MODE/SYNC pin
Frequency synchronization with MODE/SYNC pin
CISPR11 class B capable
Designed for scalable industrial power supplies:
Pin compatible family with
TPSM365R3
(65 V, 300 mA),
TPSM365R6
(65 V, 600 mA),
TLVM23615
(36 V, 1.5 A), and
TLVM23625
(36 V, 2.5 A)
Inherent protection features for robust design
Precision enable input and open-drain PGOOD indicator for control, sequencing, and V
IN
UVLO
Overcurrent and thermal shutdown protections
Create a custom design using the TLVM365R15 with the
WEBENCH®
Power Designer