SLUSFQ5
September 2025
UCC33421
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
Power Ratings
6.6
Insulation Specifications
6.7
Safety Limiting Values
6.8
Electrical Characteristics
6.9
Insulation Characteristics Curves
6.10
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
Output Voltage Soft-Start
7.3.3
Output Voltage Steady-State Regulation
7.3.4
Protection Features
7.3.4.1
Input Under-Voltage and Over-Voltage Lockout
7.3.4.2
Output Under-Voltage Protection
7.3.4.3
Output Over-Voltage Protection
7.3.4.4
Over-Temperature Protection
7.3.4.5
Fault Reporting and Auto-Restart
7.3.5
VCC Load Recommended Operating Area
7.3.6
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
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Third-Party Products Disclaimer
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 and Packaging Information
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
DHA|16
散热焊盘机械数据 (封装 | 引脚)
订购信息
slusfq5_oa
1
Features
1.5W
maximum output power
4.5V
to
5.5V
input voltage operation range
5.0V
,
5.5V
regulated selectable output voltage
5.0V
:
300mA
available load current
0.5%
typical load regulation
4mV/V
typical line regulation
Robust isolation barrier:
Isolation rating:
5kV
RMS
Surge capability:
10.4kV
PK
Working voltage:
1700V
PK
± 8KV IEC 61000-4-2 contact discharge protection across isolation barrier
250V/ns
common mode transient immunity
Power dense isolated DC/DC module with integrated transformer technology
Adaptive spread spectrum modulation (SSM)
Meets CISPR-32 Class B emission
Strong magnetic fields immunity
Overload and short circuit protection
Thermal shutdown
Low inrush current soft-start
Enable pin with fault reporting mechanism
Extended temperature range: –40°C to 125°C
SSOP
-
16
(
5.85mm × 7.50mm
) package
>
8.2mm
clearance and creepage