JAK Electronics

STMicroelectronics UC2845BN DC Switching ControllersTransistor Driver 250kHz

UC2845BN
UC2845BN
2381-563-UC2845BN
STMicroelectronics
8-DIP (0.300, 7.62mm)
Switcher Configuration: SINGLE, Number of Pins: 8Pins, Control Technique: PULSE WIDTH MODULATION, Topology: Boost, Flyback, Control Features: Frequency Control
125In Stock
Min.: 1 Mult.: 1
Quantity Unit Price Ext. Price
1+ $1.54266$1.54
10+ $1.455345$14.55
100+ $1.372965$137.3
500+ $1.29525$647.63
1000+ $1.22193$1221.93
Unit Price: $1.54266
Subtotal: $1.54
Looking for a better price? Want a lower wholesale price? Please send an RFQ, and we will respond immediately.

UC2845BN Tech Specifications

STMicroelectronics UC2845BN technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics UC2845BN.

Product Attribute Attribute Value
Lifecycle StatusACTIVE (Last Updated: 7 months ago)
Factory Lead Time10 Weeks
MountThrough Hole
Mounting TypeThrough Hole
Package / Case8-DIP (0.300, 7.62mm)
Number of Pins8Pins
Voltage - Input (Nom)15V
Operating Temperature-40°C~150°C TJ
PackagingTube
JESD-609 Codee3
Part StatusActive
Moisture Sensitivity Level (MSL)1 (Unlimited)
Number of Terminations8Terminations
ECCN CodeEAR99
Terminal FinishMatte Tin (Sn) - annealed
Voltage - Supply7.6V~30V
Terminal PositionDUAL
Terminal Pitch2.54mm
Frequency500kHz
Base Part NumberUC2845
FunctionStep-Up/Step-Down
Output TypeTransistor Driver
Analog IC - Other TypeSWITCHING CONTROLLER
Output ConfigurationPositive, Isolation Capable
Max Supply Current17mA
Current - Output1A
Quiescent Current12mA
Control FeaturesFrequency Control
Voltage - Output5.05V
TopologyBoost, Flyback
Control ModeCURRENT-MODE
Frequency - Switching250kHz
Input Voltage (Max)30V
Control TechniquePULSE WIDTH MODULATION
Rise Time50ns
Synchronous RectifierNo
Fall Time (Typ)50 ns
Switcher ConfigurationSINGLE
Max Duty Cycle50 %
Duty Cycle (Max)48%
Number of Output Phases1Output Phase
Height3.32mm
Length10.92mm
Width6.6mm
RoHS StatusROHS3 Compliant
Lead FreeContains Lead
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UC2845BN Product Details

Product Description:

The UC2845BN is a switching controller IC from STMicroelectronics, designed for step-up and step-down DC-DC converters. This analog IC is a pulse-width modulation (PWM) controller that operates in current-mode and features frequency control. It is suitable for a wide range of applications, including power supplies, motor drives, and other high-power electronic systems.

Features:

  • Frequency Control: The UC2845BN allows for precise frequency control, enabling flexible operation in various applications.
  • Current-Mode Operation: The IC operates in current-mode, which provides improved stability and accuracy.
  • Pulse Width Modulation: The IC uses PWM to regulate the output voltage, ensuring efficient and reliable operation.
  • High Frequency Operation: The IC can operate at frequencies up to 500 kHz, making it suitable for high-power applications.
  • Wide Input Voltage Range: The IC can handle input voltages from 7.6V to 30V, providing flexibility in system design.
  • High Output Current: The IC can deliver up to 1A of output current, making it suitable for high-power applications.

Applications:

  • Primary Applications: The UC2845BN is suitable for use in high-power power supplies, motor drives, and other high-power electronic systems.
  • Secondary Applications: The IC can also be used in other applications such as LED drivers, audio amplifiers, and other high-power electronic systems.

Alternative Parts:

  • UC2845: The UC2845 is the base part number for the UC2845BN, which is a lead-free version of the IC.

Embedded Modules:

  • STMicroelectronics' Power Management ICs: The UC2845BN is used in various STMicroelectronics' power management ICs, including DC-DC converters and power supplies.

FAQs:

Q: What is the maximum duty cycle of the UC2845BN? A: The maximum duty cycle of the UC2845BN is 48%.

Q: What is the operating temperature range of the UC2845BN? A: The operating temperature range of the UC2845BN is -40°C to 150°C.

Q: What is the output voltage of the UC2845BN? A: The output voltage of the UC2845BN is 5.05V.

Q: What is the maximum supply current of the UC2845BN? A: The maximum supply current of the UC2845BN is 17mA.

Q: Is the UC2845BN RoHS compliant? A: Yes, the UC2845BN is ROHS3 compliant.

Q: What is the packaging type of the UC2845BN? A: The packaging type of the UC2845BN is a tube.

UC2845BN Documents

Download datasheets and manufacturer documentation for UC2845BN

UC2842B-45B, UC3842B-45BDatasheets · PDF
UC2845BN documentDatasheets · PDF
Mult Dev Moulding Chg 28/Jan/2020PCN Assembly/Origin · PDF

UC2845BN Comparison

The parts on the right have similar specifications to STMicroelectronics & UC2845BN.

  • Mfr. Part #

  • Manufacturer

  • Moisture Sensitivity Level (MSL)

  • Package / Case

  • Packaging

  • Topology

  • Output Configuration

  • Output Type

  • Operating Temperature

  • Frequency - Switching

  • Availability

  • Price

  • Quantity

  • UC2845BN

  • STMicroelectronics

  • 1 (Unlimited)

  • 8-DIP (0.300, 7.62mm)

  • Tube

  • Boost, Flyback

  • Positive, Isolation Capable

  • Transistor Driver

  • -40°C~150°C TJ

  • 250kHz

  • 125

  • $1.54266

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