UC3855BDW vs UC2855ADWTR feature comparison

UC3855BDW Unitrode Corporation

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UC2855ADWTR Texas Instruments

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Rohs Code No Yes
Part Life Cycle Code Transferred Obsolete
Ihs Manufacturer UNITRODE CORP TEXAS INSTRUMENTS INC
Package Description SOIC-20 GREEN, PLASTIC, SOIC-20
Reach Compliance Code unknown compliant
Analog IC - Other Type POWER FACTOR CONTROLLER POWER FACTOR CONTROLLER
Control Mode CURRENT-MODE CURRENT-MODE
Control Technique PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Input Voltage-Max 35 V 35 V
Input Voltage-Min 15 V 15 V
Input Voltage-Nom 18 V 18 V
JESD-30 Code R-PDSO-G20 R-PDSO-G20
JESD-609 Code e0
Number of Functions 1 1
Number of Terminals 20 20
Operating Temperature-Max 70 °C 85 °C
Operating Temperature-Min -40 °C
Output Current-Max 1.5 A 1.5 A
Output Voltage-Nom 3 V
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOP SOP
Package Equivalence Code SOP20,.4 SOP20,.4
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Qualification Status Not Qualified Not Qualified
Supply Current-Max (Isup) 25 mA
Surface Mount YES YES
Switcher Configuration SINGLE BOOST
Switching Frequency-Max 500 kHz 500 kHz
Technology BIPOLAR BIPOLAR
Temperature Grade COMMERCIAL INDUSTRIAL
Terminal Finish Tin/Lead (Sn/Pb)
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Base Number Matches 2 2
Pbfree Code Yes
Part Package Code SOIC
Pin Count 20
ECCN Code EAR99
HTS Code 8542.39.00.01
Length 12.8 mm
Peak Reflow Temperature (Cel) NOT SPECIFIED
Seated Height-Max 2.65 mm
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 7.5 mm

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