UC2844AD8TR vs UC3844BVD1 feature comparison

UC2844AD8TR Unitrode Corporation

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UC3844BVD1 Rochester Electronics LLC

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Part Life Cycle Code Transferred Active
Ihs Manufacturer UNITRODE CORP ROCHESTER ELECTRONICS LLC
Package Description SOIC-8 SOIC-8
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 12 V
Input Voltage-Nom 15 V 15 V
JESD-30 Code R-PDSO-G8 R-PDSO-G8
Number of Functions 1 1
Number of Terminals 8 8
Operating Temperature-Max 85 °C 105 °C
Operating Temperature-Min -40 °C -40 °C
Output Current-Max 1 A 1 A
Output Voltage-Nom 2.5 V
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOP SOP
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Qualification Status Not Qualified COMMERCIAL
Supply Current-Max (Isup) 17 mA
Surface Mount YES YES
Switcher Configuration SINGLE SINGLE
Switching Frequency-Max 500 kHz 275 kHz
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Form GULL WING GULL WING
Terminal Position DUAL DUAL
Base Number Matches 3 5
Pbfree Code Yes
Rohs Code No
Part Package Code SOIC
Pin Count 8
JESD-609 Code e0
Length 4.9 mm
Peak Reflow Temperature (Cel) 240
Seated Height-Max 1.75 mm
Technology BIPOLAR
Terminal Finish TIN LEAD
Terminal Pitch 1.27 mm
Time@Peak Reflow Temperature-Max (s) 30
Width 3.9 mm

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