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ON Semiconductor UC2845BDG DC Switching Controllers500kHz Transistor Driver 1Output

UC2845BDG
UC2845BDG
1807-563-UC2845BDG
ON Semiconductor
14-SOIC (0.154, 3.90mm Width)
Switcher Configuration: SINGLE, Control Technique: PULSE WIDTH MODULATION, Topology: Boost, Flyback, Control Features: Frequency Control, Number of Pins: 14Pins
540In Stock
Min.: 1 Mult.: 1
Quantity Unit Price Ext. Price
1+ $1.487145$1.49
10+ $1.402965$14.03
100+ $1.323555$132.36
500+ $1.248645$624.32
1000+ $1.177965$1177.96
Unit Price: $1.487145
Subtotal: $1.49
Looking for a better price? Want a lower wholesale price? Please send an RFQ, and we will respond immediately.

UC2845BDG Tech Specifications

ON Semiconductor UC2845BDG technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor UC2845BDG.

Product Attribute Attribute Value
Lifecycle StatusACTIVE (Last Updated: 1 week ago)
Factory Lead Time2 Weeks
MountSurface Mount
Mounting TypeSurface Mount
Package / Case14-SOIC (0.154, 3.90mm Width)
Number of Pins14Pins
Voltage - Input (Nom)15V
Operating Temperature-25°C~85°C TA
PackagingTube
Published2008
JESD-609 Codee3
Pbfree Codeyes
Part StatusActive
Moisture Sensitivity Level (MSL)1 (Unlimited)
Number of Terminations14Terminations
ECCN CodeEAR99
Terminal FinishTin (Sn)
Voltage - Supply7.6V~30V
Terminal PositionDUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel)260
Time@Peak Reflow Temperature-Max (s)40
Base Part NumberUC284*B
FunctionStep-Up, Step-Up/Step-Down
Number of Outputs1Output
Output TypeTransistor Driver
Analog IC - Other TypeSWITCHING CONTROLLER
Output ConfigurationPositive or Negative, Isolation Capable
Max Supply Current17mA
Current - Output1kA
Control FeaturesFrequency Control
Voltage - Output5.05V
TopologyBoost, Flyback
Control ModeCURRENT-MODE
Frequency - Switching500kHz
Input Voltage (Max)25V
Halogen FreeHalogen Free
Control TechniquePULSE WIDTH MODULATION
Rise Time50ns
Synchronous RectifierNo
Fall Time (Typ)50 ns
Switcher ConfigurationSINGLE
Max Frequency275kHz
Max Duty Cycle48 %
Length8.65mm
Width3.9mm
RoHS StatusROHS3 Compliant
Lead FreeLead Free
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UC2845BDG Product Details

Product Description:

The UC2845BDG is a surface-mount, switching controller IC designed for use in DC-DC converters, specifically in step-up and step-up/step-down applications. This device is manufactured by ON Semiconductor and is part of their PMIC - Voltage Regulators - DC DC Switching Controllers category.

Features:

  • Frequency Control: The UC2845BDG features frequency control, allowing for precise regulation of the switching frequency.
  • Current-Mode Control: The device operates in current-mode control, ensuring stable and efficient operation.
  • Pulse Width Modulation (PWM): The IC uses PWM to regulate the output voltage.
  • High Frequency Operation: The IC can operate at frequencies up to 275kHz, making it suitable for high-frequency applications.
  • Low Power Consumption: The device has a maximum supply current of 17mA, making it energy-efficient.
  • Wide Input Voltage Range: The UC2845BDG can operate with input voltages ranging from 7.6V to 30V.

Applications:

  • Primary Applications: The UC2845BDG is suitable for use in DC-DC converters, such as power supplies, battery chargers, and motor drives.
  • Secondary Applications: The device can also be used in other applications where high-frequency switching is required, such as in audio amplifiers, LED drivers, and medical devices.

Alternative Parts:

  • UC2842BDG: This part is similar to the UC2845BDG but has a different output voltage and current rating.
  • UC2843BDG: This part is similar to the UC2845BDG but has a different output voltage and current rating.

Embedded Modules:

  • DC-DC Converters: The UC2845BDG is often used in DC-DC converters, such as power supplies and battery chargers.
  • Motor Drives: The device can be used in motor drives, such as those used in industrial automation and robotics.

FAQs:

Q: What is the maximum frequency of operation for the UC2845BDG? A: The maximum frequency of operation for the UC2845BDG is 275kHz.

Q: What is the maximum duty cycle of the UC2845BDG? A: The maximum duty cycle of the UC2845BDG is 48%.

Q: What is the operating temperature range of the UC2845BDG? A: The operating temperature range of the UC2845BDG is -25°C to 85°C.

Q: Is the UC2845BDG RoHS compliant? A: Yes, the UC2845BDG is RoHS3 compliant.

Q: What is the packaging type of the UC2845BDG? A: The packaging type of the UC2845BDG is a 14-SOIC (0.154, 3.90mm Width) package.

UC2845BDG Documents

Download datasheets and manufacturer documentation for UC2845BDG

UC3844B, 3845B, 2844B, 2845BDatasheets · PDF
UC2845BDG documentDatasheets · PDF
Material Declaration UC2845BDGEnvironmental Information · PDF

UC2845BDG Comparison

The parts on the right have similar specifications to ON Semiconductor & UC2845BDG.

  • Mfr. Part #

  • Manufacturer

  • Moisture Sensitivity Level (MSL)

  • Package / Case

  • Number of Outputs

  • Packaging

  • Topology

  • Output Configuration

  • Output Type

  • Operating Temperature

  • Frequency - Switching

  • Availability

  • Price

  • Quantity

  • UC2845BDG

  • ON Semiconductor

  • 1 (Unlimited)

  • 14-SOIC (0.154, 3.90mm Width)

  • 1

  • Tube

  • Boost, Flyback

  • Positive or Negative, Isolation Capable

  • Transistor Driver

  • -25°C~85°C TA

  • 500kHz

  • 540

  • $1.487145

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