UCC28600 8-Pin Quasi Resonant Flyback Green Mode Controller | TI.com

UCC28600 (ACTIVE)

8-Pin Quasi Resonant Flyback Green Mode Controller

 

Description

The UCC28600 is a PWM controller with advanced energy features to meet stringent world-wide energy efficiency requirements.

UCC28600 integrates built-in advanced energy saving features with high-level protection features to provide cost-effective solutions for energy-efficient power supplies. UCC28600 incorporates frequency fold-back and green-mode operation to reduce the switching losses at light-load and no-load conditions.

UCC28600 is available in the 8-pin SOIC package. Operating junction temperature range is –40°C to +105°C.

The UCC28600 Design Calculator, (SLVC104), located in the Tools and Software section of the UCC28600 product folder, provides a user-interactive iterative process for selecting recommended component values for an optimal design.

Features

  • Green-Mode Controller With Advanced Energy
    Saving Features
  • Quasi-Resonant Mode Operation for Reduced
    EMI and Low Switching Losses (Low-Voltage
    Valley Switching)
  • Low Standby Current for Minimum System No-
    Load Power Consumption
  • Low Start-up Current: 25-µA Maximum
  • Programmable Line and Load Over-Voltage
    Protection
  • Internal Over-Temperature Protection
  • Current Limit Protection
    • Cycle-by-Cycle Power Limit
    • Primary-Side Over-Current Hiccup Restart
      Mode
  • 1-A Sink, –0.75-A Source TrueDrive™ Gate Drive
    Output
  • Programmable Soft-Start
  • Green-Mode Status Pin (PFC Disable Function)

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Parametrics Compare all products in Flyback controllers

 
Control method
Duty cycle (Max) (%)
Frequency (Max) (kHz)
UVLO thresholds on/off (V)
Features
Operating temperature range (C)
Package Group
Rating
Package size: mm2:W x L (PKG)
UCC28600 LM5023 UCC28610 UCC28704 UCC28740 UCC28780
Current     Current     Current     Current     Current     Current    
99     100     100     99     99     99    
130     130     130     85     100     1000    
10.3/9.3     12.8/7.5     10.2/8     21/7.7     21/7.75     17.5/10    
SSR
Quasi-Resonant
Error Amplifier
Green Mode
Light Load Efficiency    
Quasi-Resonant
SSR
Green Mode
Light Load Efficiency    
SSR
HV Start-up
DCM    
PSR
DCM    
SSR
HV Start-up
DCM    
SSR
Zero Voltage Switching    
-40 to 105     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125    
SOIC | 8     VSSOP | 8     PDIP | 8
SOIC | 8    
SOT-23 | 6     SOIC | 7     SOIC | 16
WQFN | 16    
Catalog     Catalog     Catalog     Catalog     Catalog     Catalog    
8SOIC: 29 mm2: 6 x 4.9 (SOIC | 8)     8VSSOP: 15 mm2: 4.9 x 3 (VSSOP | 8)     See datasheet (PDIP)
8SOIC: 29 mm2: 6 x 4.9 (SOIC | 8)    
6SOT-23: 8 mm2: 2.8 x 2.9 (SOT-23 | 6)     7SOIC: 29 mm2: 6 x 4.9 (SOIC | 7)     16SOIC: 59 mm2: 6 x 9.9 (SOIC | 16)
16WQFN: 9 mm2: 3 x 3 (WQFN | 16)    

Design tool

WEBENCH® Designer UCC28600

 AC  DC  
AC Frequency  60 Hz  50 Hz
Use Isolated Output?
  Min   Max Range
VinRMS  V 40.00 to 300.00V
Vout  V 5 to 48V
Iout  A ≤ 10A
Ambient Temp  °C -40 to 105°C