SLUSF11C
February 2023 – March 2024
UCC14341-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison
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
Insulation Specifications
6.6
Electrical Characteristics
6.7
Safety Limiting Values
6.8
Safety-Related Certifications
6.9
Insulation Characteristics
6.10
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power Stage Operation
7.3.1.1
VDD-VEE Voltage Regulation
7.3.1.2
COM-VEE Voltage Regulation
7.3.1.3
Power Handling Capability
7.3.2
Output Voltage Soft Start
7.3.3
ENA and PG
7.3.4
Protection Functions
7.3.4.1
Input Undervoltage Lockout
7.3.4.2
Input Overvoltage Lockout
7.3.4.3
Output Undervoltage Protection
7.3.4.4
Output Overvoltage Protection
7.3.4.5
Overpower Protection
7.3.4.6
Over-Temperature Protection
7.4
Device Functional Modes
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
Capacitor Selection
8.2.2.2
Single RLIM Resistor Selection
8.2.2.3
RDR Circuit Component Selection
8.2.2.4
Feedback Resistors Selection
8.3
System Examples
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
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
12
Tape and Reel Information
Package Options
Mechanical Data (Package|Pins)
DWN|36
MPSS132
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusf11c_oa
1
Features
High-density isolated DC/DC module with integrated transformer
Isolated DC/DC for driving: IGBTs, SiC FETs
Available input voltage range:
13.5V to 18V with 32V absolute maximum
8.5V to 18V with 32V absolute maximum for wide EV battery voltage of electric vehicle
Available output power:
1.5W output power for 13.5V < V
VIN
< 16.5V, at T
A
≤ 105°C
1W output power for 8.5V < V
VIN
< 18V, at T
A
≤ 105°C
Adjustable single or dual output voltages (using resistors) with < ±1.3% regulation accuracy over full operating range
Low electromagnetic emission with spread spectrum modulation and integrated transformer
Enable, Power Good, UVLO, OVLO, soft-start, short-circuit, power-limit, under-voltage, overvoltage, and over-temperature protection
CMTI > 150kV/µs
AEC-Q100 qualified for automotive applications
Temperature grade 1: –40°C ≤ T
J
≤ 150°C
Temperature grade 1:–40 °C ≤ T
A
≤ 125°C
Functional Safety Capable
Documentation available to aid functional safety system design
Planned safety-related certifications:
7071VPK reinforce isolation per DIN EN IEC 60747-17 (VDE 0884-17)
5000VRMS isolation for 1 minute per UL 1577
Reinforce insulation per CQC GB4943.1
36-pin, wide SSOP package