SNVSB38D
September 2019 – January 2021
UCC12050
PRODUCTION DATA
1
Features
2
Applications and Uses
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
Power Ratings
6.6
Insulation Specifications
6.7
Safety-Related Certifications
6.8
Safety Limiting Values
6.9
Electrical Characteristics
6.10
Switching Characteristics
6.11
Insulation Characteristics Curves
6.12
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Enable and Disable
7.3.2
UVLO, Power-Up, and Power-Down Behavior
7.3.3
VISO Load Recommended Operating Area
7.3.4
Thermal Shutdown
7.3.5
External Clocking and Synchronization
7.3.6
VISO Output Voltage Selection
7.3.7
Electromagnetic Compatibility (EMC) Considerations
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
VISO Output Capacitor Selection
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Development Support
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Support Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical and Packaging Information
Package Options
Mechanical Data (Package|Pins)
DVE|16
MPSS113C
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvsb38d_oa
snvsb38d_pm
1
Features
High-density DC/DC module with optimized integrated transformer technology
Input voltage range: 4.5 V to 5.5 V
Output voltages (selectable): 5.4 V, 5.0 V, 3.7 V, 3.3 V
Output power: 500 mW
Peak efficiency: 60%
Line regulation (typical): 1%
Load regulation (typical): 1.5%
Meets CISPR32 Class B EMI limits without ferrite beads on a 2-layer PCB
Spread spectrum modulation (SSM)
Robust isolation barrier:
Isolation rating:
5
kV
RMS
Surge capability:
10
kV
PK
Working voltage:
1.2
kV
RMS
CMTI (typical): ±100 V/ns
Short circuit recovery
Thermal shutdown
16-pin wide-body SOIC package with > 8-mm creepage and clearance
Extended temperature range: –40°C to 125°C
Safety-related certifications
:
7071-V
PK
reinforced isolation per DIN V VDE V 0884-11:2017-01
5000-V
RMS
isolation for 1 minute per UL 1577
UL certification per IEC 60950-1, IEC 62368-1 and IEC 60601-1 end equipment standards
CQC approval per GB4943.1-2011