UC3845BD1G

ON Semiconductor UC3845BD1G

Part Number:
UC3845BD1G
Manufacturer:
ON Semiconductor
Ventron No:
3287917-UC3845BD1G
Description:
IC REG CTRLR BOOST/FLYBACK 8SOIC
ECAD Model:
Datasheet:
UC3845BD1G

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Specifications
ON Semiconductor UC3845BD1G technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor UC3845BD1G.
  • Factory Lead Time
    2 Weeks
  • Lifecycle Status
    ACTIVE (Last Updated: 4 days ago)
  • Mount
    Surface Mount
  • Mounting Type
    Surface Mount
  • Package / Case
    8-SOIC (0.154, 3.90mm Width)
  • Number of Pins
    8
  • Operating Temperature
    0°C~70°C TA
  • Packaging
    Tube
  • Published
    1999
  • JESD-609 Code
    e3
  • Pbfree Code
    yes
  • Part Status
    Active
  • Moisture Sensitivity Level (MSL)
    1 (Unlimited)
  • Number of Terminations
    8
  • ECCN Code
    EAR99
  • Terminal Finish
    Tin (Sn)
  • Subcategory
    Switching Regulator or Controllers
  • Technology
    BIPOLAR
  • Terminal Position
    DUAL
  • Terminal Form
    GULL WING
  • Peak Reflow Temperature (Cel)
    260
  • Frequency
    52kHz
  • Reflow Temperature-Max (s)
    40
  • Base Part Number
    UC384*B
  • Function
    Step-Up, Step-Up/Step-Down
  • Number of Outputs
    1
  • Output Voltage
    13.4V
  • Output Type
    Transistor Driver
  • Input Voltage-Nom
    15V
  • Analog IC - Other Type
    SWITCHING CONTROLLER
  • Output Configuration
    Positive or Negative, Isolation Capable
  • Power Dissipation
    702mW
  • Output Current
    1A
  • Voltage - Supply (Vcc/Vdd)
    7.6V~30V
  • Max Supply Current
    17mA
  • Control Features
    Frequency Control
  • Topology
    Boost, Flyback
  • Control Mode
    CURRENT-MODE
  • Frequency - Switching
    500kHz
  • Input Voltage (Max)
    25V
  • Halogen Free
    Halogen Free
  • Control Technique
    PULSE WIDTH MODULATION
  • Rise Time
    50ns
  • Synchronous Rectifier
    No
  • Fall Time (Typ)
    50 ns
  • Switcher Configuration
    SINGLE
  • Max Duty Cycle
    48 %
  • Input Bias Current
    -2μA
  • Height
    1.4986mm
  • Length
    4.9784mm
  • Width
    3.9878mm
  • REACH SVHC
    No SVHC
  • RoHS Status
    ROHS3 Compliant
  • Lead Free
    Lead Free
Description
UC3845BD1G 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. There is a Tube solid enclosure around the pmic. There are Transistor Driver dc switching's output (s) that it can handle. DC control operates at 7.6V~30V volts and has 7.6V~30V supply voltage. Worked in a 0°C~70°C TA dc switcher before. Switching can be done at 500kHz with this switching controller. dc dc regulator can be generalized using Surface Mount. DCDC regulator is controlled efficiently by Frequency Control. An analog IC with the SWITCHING CONTROLLER signal is connected to the switch converters. Switching converters are designed with the terminal (s) at position DUAL . 8 terminations with a variety of function. The control methods that these dc dc converter ics use include PULSE WIDTH MODULATION. DC switcher's voltage input is 15V. Searching "UC384*B" will return other relevant dc to dc converter ics. 8 pins are present on switching converter. There is a particular type of Switching Regulator or Controllers in switching converter. Test statistics indicate DC regulator outputs 13.4V voltage. It should be noted that the dc to dc regulator only accepts 25V voltage as input voltage. If you start a project, note down the dc dc regulator's usual output current of 1A. The maximum duty cycle of this voltage regulator dc to dc is set to 48 % to ensure reliability during power-up and power-down. DC switcher's Surface Mount makes it qualified for most application and prototype designs. DC switcher'sSwitching controller operates at a frequency of 52kHz. Having a current greater than 17mA may result in improper operation and possibly damage to the component.

UC3845BD1G Features
Transistor Driver Outputs
Switching Frequency: 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 48 %
Frequency: 52kHz

UC3845BD1G Applications
There are a lot of ON Semiconductor UC3845BD1G DC to DC converter applications.

Digital video recorders
Boring machines
Gear/thread machining machines
Hydrogen power
Linear guide
Remotely powered electric motors
Surface processing equipment
Arc suppression circuits
Scientific research
Mobile phones
UC3845BD1G More Descriptions
UC3845BD1G, PWM Current Mode Controller, 1 A, 500 kHz 8-Pin SOIC | ON Semiconductor UC3845BD1G
UC3845B Series 36 V 275 kHz High Performance Current Mode Controller - SOIC-8
CURRENT MODE PWM CTRL, SOIC-8; Input Voltage: -; Output Voltage: 13.4V; Output Current: 200mA; Supply Voltage Min: 12V; Supply Voltage Max: 25V; Controller IC Case Style: SOIC; No. of Pins: 8Pins; Frequency: 52kHz; Operating Tem
The UC3844B UC3845B series are high performance fixed frequency current mode controllers. They are specifically designed for Off-Line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components. These integrated circuits feature an oscillator a temperature compensated reference high gain error amplifier current sensing comparator and a high current totem pole output ideally suited for driving a power MOSFET. Also included are protective
Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

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