UC3844AN vs UC2844DR feature comparison

UC3844AN Unitrode Corporation

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UC2844DR Rochester Electronics LLC

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Rohs Code No
Part Life Cycle Code Transferred Active
Ihs Manufacturer UNITRODE CORP ROCHESTER ELECTRONICS INC
Package Description DIP-8 SOP,
Reach Compliance Code unknown unknown
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 11 V
Input Voltage-Nom 15 V 15 V
JESD-30 Code R-PDIP-T8 R-PDSO-G14
JESD-609 Code e0
Number of Functions 1 1
Number of Terminals 8 14
Operating Temperature-Max 70 °C 85 °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 DIP SOP
Package Equivalence Code DIP8,.3
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE SMALL OUTLINE
Qualification Status Not Qualified
Supply Current-Max (Isup) 17 mA
Surface Mount NO YES
Switcher Configuration SINGLE SINGLE
Switching Frequency-Max 500 kHz 500 kHz
Technology BIPOLAR BIPOLAR
Temperature Grade COMMERCIAL INDUSTRIAL
Terminal Finish Tin/Lead (Sn/Pb) NICKEL PALLADIUM GOLD
Terminal Form THROUGH-HOLE GULL WING
Terminal Pitch 2.54 mm 1.27 mm
Terminal Position DUAL DUAL
Base Number Matches 4 2
Part Package Code SOIC
Pin Count 14
Length 8.65 mm
Seated Height-Max 1.75 mm
Width 3.9 mm

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