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UC3909DWTR

UC3909DWTR

UC3909DWTR

Texas Instruments

Constant - Programmable UC3909 20-SOIC (0.295, 7.50mm Width) Tape & Reel (TR) 15V 100mA 20 Terminals 20 Pin

SOT-23

UC3909DWTR Datasheet PDF

non-compliant

Technical Specifications

Parameter NameValue
TypeParameter
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295, 7.50mm Width)
Surface MountYES
Number of Pins 20
Weight 569.003279mg
Operating Temperature0°C~70°C TA
PackagingTape & Reel (TR)
JESD-609 Code e4
Pbfree Code yes
Part StatusObsolete
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 20
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
HTS Code8542.39.00.01
Subcategory Power Management Circuits
Technology BIPOLAR
Terminal Position DUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 15V
Terminal Pitch1.27mm
Base Part Number UC3909
Pin Count20
Input Voltage-Nom 15V
Power Supplies15V
Max Supply Voltage40V
Min Supply Voltage7.5V
Analog IC - Other Type BATTERY CHARGE CONTROLLER
Output Current100mA
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Supply Current-Max (Isup) 19mA
Nominal Input Voltage40V
Switcher Configuration SINGLE
Battery ChemistryLead Acid
Switching Frequency242kHz
Current - Charging Constant - Programmable
Length 12.8mm
Height Seated (Max) 2.65mm
Width 7.5mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead Free Contains Lead
In-Stock:4913 items

UC3909DWTR Product Details

UC3909DWTR Overview


I found it in the Tape & Reel (TR) package, which comes with everything you need.The package 20-SOIC (0.295, 7.50mm Width) includes a version of it.A Surface Mount mounting type is assigned to the device.If the temperature is set to 0°C~70°C TA, reliable performance will be assured.A analog IC of BATTERY CHARGE CONTROLLER has been used in the design of this device.Device charging requires Constant - Programmable current.The base part number UC3909 represents its related parts.As far as the terminations are concerned, there are 20.The device has 20 pins in total.You need 20 pins for it to work.Using a 15V battery should be enough to run it.As long as the supply voltage is 40V, it is capable of withstanding the voltage.There is a constant output current of 100mA when it is operating.The device you are looking at belongs to the subcategory of Power Management Circuits.The device can operate at as low a supply voltage as possible, such as 7.5V.It was determined during the design process that Vsup (maximum supply voltage) should be set to 19mA.A power supply setting of 0 has been assigned to the part.There is 15V voltage input on the device.242kHz switching frequency is used by the part.

UC3909DWTR Features


Power Management Circuits subcategory
Switching frequency of 242kHz
20-SOIC (0.295, 7.50mm Width) package


UC3909DWTR Applications


There are a lot of Texas Instruments
UC3909DWTR Battery Chargers ICs applications.


  • Forklift
  • Pallet jacks
  • Personnel carriers
  • Maintenance shops
  • Rental fleets
  • Truck dealers
  • Floor scrubber
  • Material handling
  • Man lift
  • Boat

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