UC2843D vs UC3845DTRG4 feature comparison

UC2843D Unitrode Corporation

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UC3845DTRG4 Texas Instruments

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Rohs Code No Yes
Part Life Cycle Code Transferred Obsolete
Ihs Manufacturer UNITRODE CORP TEXAS INSTRUMENTS INC
Reach Compliance Code unknown compliant
Analog IC - Other Type SWITCHING CONTROLLER SWITCHING CONTROLLER
Control Mode CURRENT-MODE CURRENT-MODE
Control Technique PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Input Voltage-Max 25 V 25 V
Input Voltage-Min 12 V 8.2 V
Input Voltage-Nom 15 V 15 V
JESD-30 Code R-PDSO-G14 R-PDSO-G14
JESD-609 Code e0 e4
Number of Functions 1 1
Number of Terminals 14 14
Operating Temperature-Max 85 °C 70 °C
Operating Temperature-Min -40 °C
Output Current-Max 1 A 1 A
Output Voltage-Nom 2.5 V 2.5 V
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOP SOP
Package Equivalence Code SOP14,.25 SOP14,.25
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Qualification Status Not Qualified Not Qualified
Supply Current-Max (Isup) 17 mA 25 mA
Surface Mount YES YES
Switcher Configuration SINGLE BUCK-BOOST
Switching Frequency-Max 500 kHz 500 kHz
Technology BIPOLAR BIPOLAR
Temperature Grade INDUSTRIAL COMMERCIAL
Terminal Finish Tin/Lead (Sn/Pb) NICKEL PALLADIUM GOLD
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Base Number Matches 4 1
Pbfree Code Yes
Part Package Code SOIC
Package Description SOP, SOP14,.25
Pin Count 14
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Length 8.65 mm
Moisture Sensitivity Level 1
Peak Reflow Temperature (Cel) 260
Seated Height-Max 1.75 mm
Supply Voltage-Max (Vsup) 28 V
Supply Voltage-Min (Vsup) 8.4 V
Time@Peak Reflow Temperature-Max (s) 30
Width 3.9 mm

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