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UC3846Q

UC3846Q

UC3846Q

Texas Instruments

20 Terminals 6.95V~40V 20-Pin UC3846 DC to DC converter ICSWITCHING CONTROLLER 2 Outputs 500kHz Transistor Driver

SOT-23

UC3846Q Datasheet

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Specifications
Name Value
Type Parameter
Mounting Type Surface Mount
Package / Case 20-LCC (J-Lead)
Surface Mount YES
Number of Pins 20
Operating Temperature 0°C~70°C TA
Packaging Tube
JESD-609 Code e3
Part Status Obsolete
Moisture Sensitivity Level (MSL) 2 (1 Year)
Number of Terminations 20
ECCN Code EAR99
Terminal Finish Matte Tin (Sn)
Subcategory Switching Regulator or Controllers
Technology BICMOS
Terminal Position QUAD
Terminal Form J BEND
Peak Reflow Temperature (Cel) 260
Frequency 450kHz
[email protected] Reflow Temperature-Max (s) NOT SPECIFIED
Base Part Number UC3846
Function Step-Up, Step-Down, Step-Up/Step-Down
Number of Outputs 2
Qualification Status Not Qualified
Output Voltage 13.5V
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Output Current 500mA
Voltage - Supply (Vcc/Vdd) 6.95V~40V
Control Features Current Limit, Enable, Frequency Control, Soft Start
Topology Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
Control Mode CURRENT-MODE
Frequency - Switching 500kHz
Control Technique PULSE WIDTH MODULATION
Rise Time 50ns
Synchronous Rectifier Yes
Fall Time (Typ) 50 ns
Nominal Input Voltage 15V
Max Duty Cycle 50 %
Duty Cycle 50 %
Output Phases 1
Height Seated (Max) 4.57mm
Length 8.965mm
Width 8.965mm
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
1 $2.20000 $2.2
500 $2.178 $1089
1000 $2.156 $2156
1500 $2.134 $3201
2000 $2.112 $4224
2500 $2.09 $5225
UC3846Q Product Details

UC3846Q Overview


This switching controller fits most application requirements since it is packaged in a 20-LCC (J-Lead) package. 2 outputs are supported by the dc motor controller. Packaging for the pmic consists of Tube solid enclosures. With this function, you can deal with Transistor Driver dc switching's outputs (s). A 6.95V~40V voltage is supplied to the dc control and used for operating it. Suitable for a 0°C~70°C TA dc switcher. There is a switch at 500kHz that can be used with this controller. The Surface Mount makes it ideal for general dc dc regulator. DCDC regulator is controlled efficiently by Current Limit, Enable, Frequency Control, Soft Start. A SWITCHING CONTROLLER analog integrated circuit is connected to the switch converters. Switching converters are designed with the terminal (s) at position QUAD . A variety of terminations with 20 of dc switching. Some of the control techniques adapted by these dc dc converter ics include PULSE WIDTH MODULATION. DC switcher's input voltageis set to 15V. You can find other relevant dc to dc converter ics by searching "UC3846". Pins number 20 of switching converter in total. Switching converter is a type of Switching Regulator or Controllers in particular. DC regulator outputs 13.5V voltage according to the test statistics. normally, the dc dc regulator's output current is 500mA, which you should keep in mind when starting a project. As a result of this, the maximum duty cycle of the voltage regulator dc to dc must remain 50 % during power-up and power-down. 450kHz is the frequency of the switching controller. 15V is the nominal working voltage.

UC3846Q Features


Transistor Driver Outputs
Switching Frequency: 500kHz
Current Limit, Enable, Frequency Control, Soft Start
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz

UC3846Q Applications


There are a lot of Texas Instruments UC3846Q DC to DC converter applications.

  • Sensitive electronic devices
  • Printing
  • Digital display device
  • Remotely powered electric motors
  • Precision electronic equipment
  • Mobile phones
  • Product testing
  • Automation technology
  • Overvoltage protection circuits in TV sets
  • Cutting machine tools

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