UC2845AD8

Texas Instruments UC2845AD8

Part Number:
UC2845AD8
Manufacturer:
Texas Instruments
Ventron No:
5038254-UC2845AD8
Description:
30V, 1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 40°C to 85°C
ECAD Model:
Datasheet:
uc2845a

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Specifications
Texas Instruments UC2845AD8 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UC2845AD8.
  • Factory Lead Time
    6 Weeks
  • Lifecycle Status
    ACTIVE (Last Updated: 5 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
    -40°C~85°C TA
  • Packaging
    Tube
  • 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
    UC2845
  • Function
    Step-Up, 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
    1A
  • Voltage - Supply (Vcc/Vdd)
    7.6V~30V
  • Control Features
    Frequency Control
  • Topology
    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
Description
UC2845AD8 Overview
It comes in a 8-SOIC (0.154, 3.90mm Width) package, so switching controller can be used for most applications. There is sufficient capacity to generate switching controller for outputs 1. Packaging for the pmic consists of Tube solid enclosures. It is capable of dealing with Transistor Driver dc switching's output (s). dc switching'sVoltages 7.6V~30V are the dc control's supply voltage and operating voltage, respectively. Worked in a -40°C~85°C TA dc switcher before. With this switching controller, you can switch at 500kHz. A generalization of dc dc regulator can be made using Surface Mount. DCDC regulator is controlled efficiently by Frequency Control. The switch converters are connected to an analog IC with a SWITCHING CONTROLLER output. DUAL are the position of the terminal of the switching converters. A variety of terminations with 8 of dc switching. Some of the control techniques adapted by these dc dc converter ics include PULSE WIDTH MODULATION. The DC switcher's nominal voltage is 15V. Search for "UC2845" to find other relevant dc to dc converter ics. 8 pins are present on switching converter. The type is a particular Switching Regulator or Controllers of switching converter. Test statistics indicate DC regulator outputs 15V voltage. You should note that the dc dc regulator's usual output current is 1A. 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. For nominal working status, the input voltage can be set as 25V. The supply voltage should be 11V. Current supplied to the controller should not exceed 25mA.

UC2845AD8 Features
Transistor Driver Outputs
Switching Frequency: 500kHz
Frequency Control
PULSE WIDTH MODULATION
Max Duty Cycle: 50 %
Frequency: 450kHz

UC2845AD8 Applications
There are a lot of Texas Instruments UC2845AD8 DC to DC converter applications.

Grinders
Medical monitoring systems
Digital video recorders
Experimental setup
Alternators
Servo drive system
Access control systems
Wide-range voltage regulation circuits
Cutting machine tools
Various precision measuring instruments
UC2845AD8 More Descriptions
PWM CONTROLLER, SMD, 2845, SOIC8; MSL: MSL 1 - Illimité; SVHC: No SVHC (15-Jan-2019)
Current Mode PWM Controller -0.1V to 11V 1A 500kHz 8-Pin SOIC Tube
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8
30V, 1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 40°C to 85°C 8-SOIC -40 to 85
UC2845 Boost Flyback Forward Converter Tube e4 DC to DC switching controller 50ns 1A 72.603129mg 15V
IC, CURRENT MODE PWM CTRL, 25V, 8-SOIC
IC REG CTRLR MULT TOPOLOGY 8SOIC
PWM Power Supply Controllers Current Mode
Off Line Current-Mode PWM Controller
UCx84xA Current-Mode PWM Controller
Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

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