SLUSF25A September   2025  – November 2025 UCC27834 , UCC27884

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Pin Configuration and Functions
  6. Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Dynamic Electrical Characteristics
    7. 5.7 Timing Diagrams
    8. 5.8 Typical Characteristics
  7. Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Input Stages and Interlock
      2. 6.3.2 Undervoltage Lockout (UVLO)
      3. 6.3.3 Level Shifter
      4. 6.3.4 Output Stage
      5. 6.3.5 Low Propagation Delays and Tightly Matched Outputs
      6. 6.3.6 HS Node dV/dt
      7. 6.3.7 Operation Under Negative HS Voltage Condition
    4. 6.4 Device Functional Modes
      1. 6.4.1 Input and Output Logic Table
      2. 6.4.2 Operation Under 100% Duty Cycle Condition
  8. Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Selecting HI and LI Low Pass Filter Components (RHI, RLI, CHI, CLI)
        2. 7.2.2.2 Selecting Bootstrap Capacitor (CBOOT)
        3. 7.2.2.3 Selecting VDD Bypass Capacitor (CVDD)
        4. 7.2.2.4 Selecting Bootstrap Resistor (RBOOT)
        5. 7.2.2.5 Selecting Gate Resistor RON/ROFF
        6. 7.2.2.6 Selecting Bootstrap Diode
        7. 7.2.2.7 Estimate the UCC278X4 Power Losses
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Third-Party Products Disclaimer
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 Receiving Notification of Documentation Updates
    4. 8.4 Support Resources
    5. 8.5 Trademarks
    6. 8.6 Electrostatic Discharge Caution
    7. 8.7 Glossary
  10. Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • D|8
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Typical Characteristics

UCC27834 UCC27884 Propagation Delay vs Supply Voltage
T = 25°C
Figure 5-2 Propagation Delay vs Supply Voltage
UCC27834 UCC27884 Delay
                        Matching vs Supply Voltage
T = 25°C
Figure 5-4 Delay Matching vs Supply Voltage
UCC27834 UCC27884 Quiescent Supply Current vs Supply Voltage
Figure 5-6 Quiescent Supply Current vs Supply Voltage
UCC27834 UCC27884 VDD
                        UVLO Thresholds vs Temperature
VHB – VHS = VDD = 15V
Figure 5-8 VDD UVLO Thresholds vs Temperature
UCC27834 UCC27884 HB to
                        VSS Leakage Current vs Temperature
Figure 5-10 HB to VSS Leakage Current vs Temperature
UCC27834 UCC27884 LO
                        and HO Pull-up Resistance vs Temperature
VHB – VHS = VDD = 15V
Figure 5-12 LO and HO Pull-up Resistance vs Temperature
UCC27834 UCC27884 HI
                        and LI Input Voltage Thresholds vs Temperature
VHB – VHS = VDD = 15V
Figure 5-14 HI and LI Input Voltage Thresholds vs Temperature
UCC27834 UCC27884  No
                        Load Supply Current vs Switching Frequency
VHB – VHS = VDD = 15V, T = 25°C
Figure 5-16 No Load Supply Current vs Switching Frequency
UCC27834 UCC27884 LO
                        and HO Peak Output Current vs Supply Voltage
T = 25°C
Figure 5-18 LO and HO Peak Output Current vs Supply Voltage
UCC27834 UCC27884 Propagation Delay vs Temperature
VHB – VHS = VDD = 15V
Figure 5-3 Propagation Delay vs Temperature
UCC27834 UCC27884 Delay
                        Matching vs Temperature
VHB – VHS = VDD = 15V
Figure 5-5 Delay Matching vs Temperature
UCC27834 UCC27884 Quiescent Supply Current vs Temperature
VHB – VHS = VDD = 15V
Figure 5-7 Quiescent Supply Current vs Temperature
UCC27834 UCC27884 VHB
                        UVLO Thresholds vs Temperature
Figure 5-9 VHB UVLO Thresholds vs Temperature
UCC27834 UCC27884 HI
                        and LI Input Pulldown Resistance vs Temperature
VHB – VHS = VDD = 15V
Figure 5-11 HI and LI Input Pulldown Resistance vs Temperature
UCC27834 UCC27884 LO
                        and HO Pull-down Resistance vs Temperature
VHB – VHS = VDD = 15V
Figure 5-13 LO and HO Pull-down Resistance vs Temperature
UCC27834 UCC27884 LO
                        and HO Output Current vs Output Voltage
VHB – VHS = VDD = 15V
Figure 5-15 LO and HO Output Current vs Output Voltage
UCC27834 UCC27884 Supply Current vs Switching Frequency
VHB – VHS = VDD = 15V, T = 25°C, CL= 1nF
Figure 5-17 Supply Current vs Switching Frequency