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UC3856Q

UC3856Q

UC3856Q

Texas Instruments

20 Terminals 7V~40V 20-Pin UC3856 DC to DC converter ICSWITCHING CONTROLLER 2 Outputs 200kHz Transistor Driver

SOT-23

UC3856Q 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 1MHz
Base Part Number UC3856
Function Step-Up, Step-Down, Step-Up/Step-Down
Number of Outputs 2
Output Voltage 13.1V
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive
Output Current 200mA
Voltage - Supply (Vcc/Vdd) 7V~40V
Control Features Enable, Frequency Control, Soft Start
Topology Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull
Control Mode CURRENT-MODE
Frequency - Switching 200kHz
Control Technique PULSE WIDTH MODULATION
Rise Time 40ns
Synchronous Rectifier Yes
Fall Time (Typ) 40 ns
Nominal Input Voltage 40V
Max Duty Cycle 50 %
Duty Cycle (Max) 47%
Output Phases 1
Height Seated (Max) 4.57mm
Length 8.965mm
Width 8.965mm
Radiation Hardening No
RoHS Status ROHS3 Compliant
Lead Free Lead Free
Pricing & Ordering
Quantity Unit Price Ext. Price
1 $6.17000 $6.17
10 $5.57700 $55.77
46 $5.31761 $244.61006
138 $4.61732 $637.19016
506 $4.02069 $2034.46914
UC3856Q Product Details

UC3856Q Overview


The switching controller fits in the 20-LCC (J-Lead) package and is ideal for most applications. This dc motor controller can be used to generate outputs with 2 numbers. PMIC is packaged in a solid enclosure of Tube. It is capable of handling Transistor Driver dc switching's outputs (s). This dc control operates at 7V~40V and has a 7V~40V supply voltage. Qualified to work in a 0°C~70°C TA dc switcher. A switching controller such as this can switch at a value of 200kHz . dc dc regulator is made easier with Surface Mount. To provide efficient switching control, Enable, Frequency Control, Soft Start is included in the dcdc regulator. Thare switch converters are connected to an analog integrated circuit (IC) of type SWITCHING CONTROLLER. The switching converters's terminals (s) are designed at QUAD. Different dc switching's functions can be applied to 20 terminations. These dc dc converter ics adapt several control methods, including PULSE WIDTH MODULATION. The nominal DC switcher's voltage input is 15V. Other relevant dc to dc converter ics can be found by searching "UC3856". Total pins of switching converter are 20. In particular, switching converter belongs to the Switching Regulator or Controllers family. The test statistics indicate that DC regulator outputs a voltage of 13.1V. You should note that the dc dc regulator's usual output current is 200mA. The duty cycle of the voltage regulator dc to dc can be set to 50 % on power-up or power-down to ensure reliability. There is 1MHz frequency setting on the switching controller. 40V is the nominal working voltage.

UC3856Q Features


Transistor Driver Outputs
Switching Frequency: 200kHz
Enable, Frequency Control, Soft Start
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 1MHz

UC3856Q Applications


There are a lot of Texas Instruments UC3856Q DC to DC converter applications.

  • Photovoltaic power
  • Hydro power
  • Flaw detection equipment
  • Planers
  • Combined machine tools
  • Automatic plug-in machines
  • Series voltage regulation circuits
  • Mobile phones
  • Arc suppression circuits
  • Large fire protection systems

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