SLUSFK4A February   2025  – May 2025 UCC33020

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Device Comparison
  6. Pin Configuration and Functions
  7. Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  Power Ratings
    7. 6.7  Insulation Specifications
    8. 6.8  Safety-Related Certifications
    9. 6.9  Safety Limiting Values
    10. 6.10 Typical Characteristics
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Enable and Disable
      2. 7.3.2 Output Voltage Soft-Start
      3. 7.3.3 Output Voltage Steady-State Regulation
      4. 7.3.4 Protection Features
        1. 7.3.4.1 Input Under-Voltage and Over-Voltage Lockout
        2. 7.3.4.2 Output Under-Voltage Protection
        3. 7.3.4.3 Output Over-Voltage Protection
        4. 7.3.4.4 Over-Temperature Protection
        5. 7.3.4.5 Fault Reporting and Auto-Restart
      5. 7.3.5 VCC Load Recommended Operating Area
      6. 7.3.6 Electromagnetic Compatibility (EMC) Considerations
    4. 7.4 Device Functional Modes
  9. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
  10. Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  13. 12Revision History
  14. 13Mechanical and Packaging Information

Electrical Characteristics

Over operating temperature range (TJ = –40°C to 150°C), VVINP = 5.0V, CIN1 = COUT1 = 15nF, CIN2  = 10µF, COUT2 = 22µF SEL connected to VCC, VEN/FLT = 5.0V unless otherwise noted. All typical values at VVINP=5.0V, TA = 25°C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT SUPPLY (Primary-side. All voltages with respect to GNDP)
IVINP_Q VINP quiescent current,disabled EN/FLT=Low, VINP=3.3V, no load 180 uA
EN/FLT=Low, VINP=5.0V, no load 180 uA
IVINP_NL VINP operating current, no load EN/FLT=High; VINP=3.3V-5.0V; VCC=5.0V no load 7 15 mA
EN/FLT=High; VINP=3.3V-5.0V; VCC=5.5V no load 7 18 mA
IVINP_FL VINP operating current, full load EN/FLT=High; VINP=5.0V; VCC=5.0V, Iout=200mA, TA=25°C 365 400 435 mA
EN/FLT=High; VINP=3.3V; VCC=5.0V, Iout=140mA, TA=25°C 390 415 450 mA
IVINP_SC DC current from VINP supply under short circuit on VCC EN/FLT=High; VINP=5.0V; VCC=0V, TA=25°C (1) 45 mA
UVLOP COMPARATOR (Primary-side. All voltages with respect to GNDP)
VVINP_UVLO_R VINP under-voltage lockout rising threshold 2.8 2.9 V
VVINP_UVLO_F VINP under-voltage lockout falling threshold 2.6 2.7 V
VUVLO_H VINP under-voltage lockout hysteresis 0.1 V
OVLO COMPARATOR (Primary-side. All voltages with respect to GNDP)
VVINP_OVLO_R VINP over-voltage lockout rising threshold 5.77 5.9 V
VVINP_OVLO_F VINP over-voltage lockout falling threshold 5.55 5.72 V
VVINP_H VINP over-voltage lockout hysteresis 0.05 V
Switching Charactarestics
fSw DC-DC Converter switching frequency 64.5 MHz
PRIMARY SIDE THERMAL SHUTDOWN
TSDP_R Primary-side over-temperature shutdown rising threshold 150 165 ºC
TSDP_F Primary-side over-temperature shutdown falling threshold 130 ºC
TSDP_H Primary-side over-temperature shutdown hysteresis 20 ºC
EN/FLT PIN
VEN_R Enable voltage rising threshold EN/FLT = 0V to 5.0V  2.1 V
VEN_F Enable voltage falling threshold EN/FLT = 5.0V to 0V 0.8 V
IEN Enable Pin Input Current EN/FLT = 5.0V 10 uA
VFLT EN/FLT pin voltage when faults occur With a minimum 18kΩ (10% tolerance) resistor connected to EN/FLT pin  0.5 V
tFault EN/FLT pull down interval when faults occur EN/FLT > 0.5V , Fault occur  200 us
VCC OUTPUT VOLTAGE (Secondary-side. All voltages with respect to GNDS)
VCC Isolated supply regulated output voltage VINP = 5.0V, SEL = VCC, Iout = 0 - 200mA 4.85 5 5.15 V
VINP = 3.3V, SEL = VCC, Iout = 0 - 140mA 4.85 5 5.15 V
VINP = 5.0V, SEL = GNDS, Iout = 0 - 180mA 5.34 5.5 5.67 V
VINP = 3.3V, SEL = GNDS, Iout = 0-100mA 5.34 5.5 5.67 V
Isolated supply regulated output voltage accuracy VINP = 3.0V - 5.5V; VCC = 5.0V / 5.5V -4 4 %
VCC_Line Vcc DC line regulation VINP = 4.5V - 5.5V; VCC = 5.0V, Iout = 200mA 4 12 mV/V
VINP = 4.5V - 5.5V; VCC = 5.5V, Iout = 200mA 4 12 mV/V
VINP = 3.0V - 3.6V; VCC = 5.0V, Iout = 50mA 4 12 mV/V
VINP = 3.0V - 3.6V; VCC = 5.5V, Iout = 50mA 4 12 mV/V
VCC_Load Vcc DC load regulation VINP = 5.0V; VCC = 5.0V, Iout = 0 - 200mA 0.5 0.7 %
VINP = 5.0V; VCC = 5.5V, Iout = 0 - 180mA 0.5 0.7 %
VINP = 3.3V; VCC = 5.0V, Iout = 0 - 100mA 0.2 0.4 %
VINP = 3.3V; VCC = 5.5V, Iout = 0 - 90mA, 0.2 0.4 %
VCC_Ripple Voltage ripple on isolated supply output 20-MHz bandwidth, VINP = 5.0V, VCC = 5.0V; Iout = 100mA , TA = 25°C (1) 50 75 mV
20-MHz bandwidth, VINP = 3.3V , VCC = 5.0V; Iout = 50mA, TA = 25°C (1) 50 75 mV
EFF Efficiency PVCC to PVINP VINP = 5.0V, VCC = 5.0V, Iout = 200mA, TA = 25°C 52 %
VINP = 3.3V, VCC = 5.0V, Iout = 100mA, TA = 25°C 50 %
VCC_Rise VCC rise time from 10% - 90% VINP = 5.0V, VCC = 5.0V, TA = 25°C, Iout = 70mA (1)  450 700 us
VINP = 5.0V, VCC = 5.5V, TA = 25°C, Iout = 70mA (1) 450 700 us
VCC UVP UNDER -VOLTAGE PROTECTION (Secondary-side. All voltages with respect to GNDS)
KVCC_UVP VCC under-voltage protection threshold ratio VCC = 5.0V, VUVP = VCC * 90% 90 %
VUVP_H VCC under-voltage protection hysteresis VCC = 5.0V 79 100 121 mV
VUVP_H VCC under-voltage protection hysteresis VCC = 5.5V 87 110 133 mV
VCC OVP OVER -VOLTAGE PROTECTION (Secondary-side. All voltages with respect to GNDS)
VVCC_OVP_R VCC over-voltage protection rising threshold VCC = 5.0V 5.45 5.5 V
VVCC_OVP_H VCC over-voltage protection hysteresis VCC = 5.0V 0.1 V
VVCC_OVP_R VCC over-voltage protection rising threshold VCC = 5.5V 5.9 5.96 V
VVCC_OVP_H VCC over-voltage protection hysteresis VCC = 5.5V 0.12 V
SECONDARY SIDE THERMAL SHUTDOWN 
TSDS_R Secondary-side over-temperature shutdown rising threshold 150 165 ºC
TSDS_F Secondary-side over-temperature shutdown falling threshold 130 ºC
TSDS_H Secondary-side over-temperature shutdown hysteresis 20 ºC
Specified by design. Not production tested