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  • UC3909DWTR

UC3909DWTR

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


  • Manufacturer: Texas Instruments
  • Origchip NO: 815-UC3909DWTR
  • Package: 20-SOIC (0.295, 7.50mm Width)
  • Datasheet: PDF
  • Stock: 449
  • Description: Constant - Programmable UC3909 20-SOIC (0.295, 7.50mm Width) Tape & Reel (TR) 15V 100mA 20 Terminals 20 Pin (Kg)

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Details

Tags

Parameters
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295, 7.50mm Width)
Surface Mount YES
Number of Pins 20
Weight 569.003279mg
Operating Temperature 0°C~70°C TA
Packaging Tape & Reel (TR)
JESD-609 Code e4
Pbfree Code yes
Part Status Obsolete
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 20
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
HTS Code 8542.39.00.01
Subcategory Power Management Circuits
Technology BIPOLAR
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 15V
Terminal Pitch 1.27mm
Base Part Number UC3909
Pin Count 20
Input Voltage-Nom 15V
Power Supplies 15V
Max Supply Voltage 40V
Min Supply Voltage 7.5V
Analog IC - Other Type BATTERY CHARGE CONTROLLER
Output Current 100mA
Control Mode CURRENT-MODE
Control Technique PULSE WIDTH MODULATION
Supply Current-Max (Isup) 19mA
Nominal Input Voltage 40V
Switcher Configuration SINGLE
Battery Chemistry Lead Acid
Switching Frequency 242kHz
Current - Charging Constant - Programmable
Height Seated (Max) 2.65mm
Length 12.8mm
Width 7.5mm
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Contains Lead

UC3909DWTR Overview


There is a package named Tape & Reel (TR) that contains it.There is a 20-SOIC (0.295, 7.50mm Width) package included with this item that you will need to take care of.It appears that the device's mounting type is Surface Mount.The best way to adjust the temperature is to set it to 0°C~70°C TA.This device makes use of an analog IC of BATTERY CHARGE CONTROLLER.The device cannot be charged without Constant - Programmable current flowing through it.By using the base part number UC3909, related parts can be found for this device.Among its terminations, there are 20.A total of 20 pins are present on it.For the product to work correctly, 20 pins are required, and a connection to each pin is required.If it runs off of a 15V battery, then it should be able to run continuously.40V supply voltage is not a problem for it.This device operates with a current output of 100mA.Devices belonging to subcategory Power Management Circuits include this device.A supply voltage of 7.5V is suitable for it, because it can operate with a low supply voltage.In most cases, the maximum supply voltage (Vsup) is set to 19mA.With respect to the power supply for the part, it is set to 15V.It can be seen that the device has an input voltage of 15V.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.

  • Electric lift car
  • Energy harvesting
  • Charging cradle for wearable devices
  • Remote powered communication and telemetry systems
  • Model aircraft
  • Smart power strips
  • Crosswalk marker lights
  • Fast charge
  • Automotive electronics
  • Personnel carriers