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  • UC3845BD1

UC3845BD1

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


  • Manufacturer: STMicroelectronics
  • Origchip NO: 761-UC3845BD1
  • Package: 8-SOIC (0.154, 3.90mm Width)
  • Datasheet: PDF
  • Stock: 184
  • Description: 8 Terminals 7.6V~30V 8-Pin UC3845 DC to DC converter ICSWITCHING CONTROLLER 1 Outputs Transistor Driver (Kg)

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Details

Tags

Parameters
Factory Lead Time 10 Weeks
Lifecycle Status ACTIVE (Last Updated: 7 months ago)
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154, 3.90mm Width)
Number of Pins 8
Operating Temperature -40°C~150°C TJ
Packaging Tube
JESD-609 Code e4
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
Frequency 500kHz
Time@Peak Reflow Temperature-Max (s) 30
Base Part Number UC3845
Function Step-Up/Step-Down
Number of Outputs 1
Output Voltage 5.1V
Output Type Transistor Driver
Input Voltage-Nom 15V
Analog IC - Other Type SWITCHING CONTROLLER
Output Configuration Positive, Isolation Capable
Output Current 1A
Voltage - Supply (Vcc/Vdd) 7.6V~30V
Control Features Frequency Control
Topology Boost, Flyback
Control Mode CURRENT-MODE
Input Voltage (Max) 30V
Control Technique PULSE WIDTH MODULATION
Rise Time 50ns
Synchronous Rectifier No
Fall Time (Typ) 50 ns
Switcher Configuration SINGLE
Max Duty Cycle 50 %
Duty Cycle (Max) 48%
Height 1.25mm
Length 5mm
Width 4mm
RoHS Status ROHS3 Compliant

UC3845BD1 Overview


The switching controller fits in the 8-SOIC (0.154, 3.90mm Width) package and is ideal for most applications. There is enough capacity in the dc motor controller to generate the output for the 1 input. Tube is the solid enclosure in which PMIC is packaged. There are Transistor Driver dc switching's output (s) that it can handle. A 7.6V~30V voltage is supplied to the dc control and used for operating it. Worked in a -40°C~150°C TJ dc switcher before. The Surface Mount allows it to be used for dc dc regulator in general. Frequency Control is used for efficient switching control in the dcdc regulator. 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. PULSE WIDTH MODULATION is an example of one of the control techniques these dc dc converter ics adapt. 15V nominal DC switcher's voltage input. Searching "UC3845" will return other relevant dc to dc converter ics. 8 pins are on switching converter. Switching converter is a special type of Switching Regulator or Controllers. Statistically, DC regulator outputs 5.1V volts. It should be fully noted that the dc to dc regulator only accepts 30V input voltage at most. In most cases, the output current of the dc dc regulator will be 1A, so note that when you start the project. voltage regulator dc to dcs with a 50 % duty cycle are designed to be reliable when powered on and powered off. DC switcher's Surface Mount makes it qualified for most application and prototype designs. DC switcher'sSwitching controller operates at 500kHz Hz.

UC3845BD1 Features


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

UC3845BD1 Applications


There are a lot of STMicroelectronics UC3845BD1 DC to DC converter applications.

  • Remotely powered electric motors
  • SMT equipment
  • seismic instrument power circuits
  • Printing
  • Magnetohydrodynamic power
  • Computer monitoring equipment of building
  • Analog precision reference circuits
  • Refrigerators of central air conditioners
  • Surge protection circuits
  • Textile machinery