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  • UC3845AD8TRG4

UC3845AD8TRG4

8 Terminals 7.6V~30V 8-Pin UC3845 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs 500kHz Transistor Driver


  • Manufacturer: Texas Instruments
  • Origchip NO: 815-UC3845AD8TRG4
  • Package: 8-SOIC (0.154, 3.90mm Width)
  • Datasheet: -
  • Stock: 769
  • Description: 8 Terminals 7.6V~30V 8-Pin UC3845 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs 500kHz Transistor Driver (Kg)

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Details

Tags

Parameters
Factory Lead Time 6 Weeks
Lifecycle Status ACTIVE (Last Updated: 6 days ago)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154, 3.90mm Width)
Surface Mount YES
Number of Pins 8
Weight 72.603129mg
Operating Temperature 0°C~70°C TA
Packaging Tape & Reel (TR)
JESD-609 Code e4
Pbfree Code yes
Part Status Active
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
ECCN Code EAR99
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Subcategory Switching Regulator or Controllers
Technology BIPOLAR
Terminal Position DUAL
Terminal Form GULL WING
Peak Reflow Temperature (Cel) 260
Supply Voltage 11V
Frequency 450kHz
Base Part Number UC3845
Function Step-Up, Step-Down, Step-Up/Step-Down
Number of Outputs 1
Output Voltage 15V
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive, Isolation Capable
Output Current 200mA
Voltage - Supply (Vcc/Vdd) 7.6V~30V
Control Features Frequency Control
Topology Buck, Boost, Flyback, Forward Converter
Control Mode CURRENT-MODE
Frequency - Switching 500kHz
Control Technique PULSE WIDTH MODULATION
Rise Time 50ns
Supply Current-Max (Isup) 25mA
Synchronous Rectifier No
Fall Time (Typ) 50 ns
Nominal Input Voltage 25V
Switcher Configuration BUCK-BOOST
Max Duty Cycle 50 %
Duty Cycle (Max) 48%
Height 1.75mm
Length 4.9mm
Width 3.91mm
Thickness 1.58mm
RoHS Status ROHS3 Compliant
Lead Free Lead Free

UC3845AD8TRG4 Overview


Capsuled in the 8-SOIC (0.154, 3.90mm Width) package, the switching controller suits most application needs. 1 outputs are supported by the dc motor controller. An enclosure of Tape & Reel (TR) is used to package the PMIC. It is capable of handling Transistor Driver dc switching's outputs (s). Voltages 7.6V~30V are the dc control's supply voltage and operating voltage, respectively. Qualified to work in an dc switcher with 0°C~70°C TA. Switching can be done at 500kHz with this switching controller. The Surface Mount value makes it suitable for general dc dc regulator. In order to control switching efficiently, the dcdc regulator features Frequency Control. The switch converters are connected to an analog IC with a SWITCHING CONTROLLER output. There are a DUAL terminal on the switching converters. There are many different types of terminations for 8. To name a few of the control techniques these dc dc converter ics adapt, it includes PULSE WIDTH MODULATION. The DC switcher's nominal voltage is 15V. A search for "UC3845" will reveal other relevant dc to dc converter ics. 8 pins are on switching converter. Switching converter is a type of Switching Regulator or Controllers in particular. DC regulator outputs 15V voltage based on test statistics. A starting point for a project is to note down the dc dc regulator's usual output current, which is 200mA. voltage regulator dc to dcs with a 50 % duty cycle are designed to be reliable when powered on and powered off. 450kHz is the frequency of the switching controller. 25V is the nominal working voltage. This voltage controller requires a supply voltage of 11V. 25mA more than 25mA current should be supplied to the controller.

UC3845AD8TRG4 Features


Transistor Driver Outputs
Switching Frequency: 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz

UC3845AD8TRG4 Applications


There are a lot of Texas Instruments UC3845AD8TRG4 DC to DC converter applications.

  • Medical equipment
  • Mobile phones
  • Driver circuits
  • Precision electronic equipment
  • Photovoltaic power
  • Correction machines
  • Direct power supply system
  • Nuclear power plants
  • Current source circuits
  • Program control systems