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UC3843AD8TR vs UC3845AD8TR vs E-UC3842BD1013TR Comparison

  • Hide Shared Attributes
    UC3843AD8TR
    UC3843AD8TR
    UC3845AD8TR
    UC3845AD8TR
    E-UC3842BD1013TR
    E-UC3842BD1013TR
  • Part No.
    UC3843AD8TR
    UC3845AD8TR
    E-UC3842BD1013TR
  • Description
    TEXAS INSTRUMENTS UC3843AD8TR Current Mode PWM, 30V-7.6V supply, 500kHz, 15V/1A out, SOIC-8
    Current Mode PWM Controller 1A 500kHz 8Pin SOIC T/R
    Current Mode PWM Controller 1A 8Pin SO N T/R
  • Manufacturer
    N/A
    N/A
    St microelectronics
  • Classification
    PWM Controllers
    PWM Controllers
    DC-DC Converters
  • Reference Price(USD)
    $0.305
    $0.305
    $0.527
  • Inventory(pcs)
    11.8k
    9.5k
    0
  • Case/Package
    SOIC-8
    SOIC-8
    SOIC-8
  • Number of Pins
    8
    8
    8
  • Frequency
    500 kHz
    500 kHz
    -
  • Power Dissipation
    -
    1 W
    -
  • Number of Positions
    8
    8
    -
  • Rise Time
    50 ns
    50 ns
    -
  • Input Voltage (DC)
    25.0 V
    25.0 V
    -
  • Output Voltage
    15 V
    15 V
    5.10 V
  • Switching Frequency
    500 kHz
    500 kHz
    500kHz (MAX)
  • Duty Cycle
    100 %
    50 %
    -
  • ECCN Code
    EAR99
    EAR99
    -
  • Supply Voltage (DC)
    7.60V (min)
    7.60V (min)
    -
  • Supply Current
    -
    17 mA
    -
  • Output Current
    1 A
    200 mA
    -
  • Number of Outputs
    1
    1
    1
  • Number of Regulated Outputs
    1
    1
    -
  • Operating Temperature
    0℃ ~ 70℃
    0℃ ~ 70℃
    0℃ ~ 70℃ (TA)
  • Topology
    Buck, Boost, Flyback, Forward
    Buck, Boost, Flyback, Forward
    -
  • Size-Height
    -
    1.5 mm
    -
  • Mounting Style
    Surface Mount
    Surface Mount
    -
  • Packaging
    Tape & Reel (TR)
    Tape & Reel (TR)
    Tape & Reel (TR)
  • REACH SVHC Compliance
    No SVHC
    No SVHC
    -
  • Lead-Free Status
    Lead Free
    Lead Free
    Lead Free
  • RoHS
    RoHS Compliant
    RoHS Compliant
    RoHS Compliant
  • Product Lifecycle Status
    Active
    Active
    Active
  • Operating Temperature (Min)
    0 ℃
    0 ℃
    -
  • Maximum Duty Cycle
    96 %
    50 %
    96 %
  • Supply Voltage (Min)
    7.6 V
    7.6 V
    -
  • REACH SVHC Compliance Edition
    2015/06/15
    2015/06/15
    -
  • Fall Time
    50 ns
    50 ns
    -
  • Input Voltage
    25 V
    25 V
    -
  • Supply Voltage
    7.6V ~ 30V
    7.6V ~ 30V
    -
  • Operating Temperature (Max)
    70 ℃
    70 ℃
    -
  • Industrial-Spec
    Yes
    Yes
    -
  • Supply Voltage (Max)
    30 V
    30 V
    -
  • Power Dissipation (Max)
    -
    1000 mW
    -
  • Overview
    UC3843AD8TR Product overview

    The UC3843AD8TR is a current-mode Pulse Width Modulation (PWM) Controller providing the necessary features to control current-mode switched mode power supplies. Start-up current is guaranteed to be less than 0.5mA. Oscillator discharge is trimmed to 8.3mA. During under voltage lockout, the output stage can sink at least 10mA at less than 1.2V for VCC over 5V.

    .
    Optimized for off-line and DC to DC converters
    .
    Trimmed oscillator discharge current
    .
    Automatic feed forward compensation
    .
    Pulse-by-pulse current limiting
    .
    Enhanced load response characteristics
    .
    Under-voltage lockout with hysteresis
    .
    Double pulse suppression
    .
    High current totem pole output Internally trimmed bandgap reference
    .
    Low RO Error amplifier
    .
    Green product and no Sb/Br
    View all
    UC3845AD8TR Product overview

    The UC3845AD8TR is a current-mode Pulse Width Modulation (PWM) Controller providing the necessary features to control current-mode switched mode power supplies. Start-up current is guaranteed to be less than 0.5mA. Oscillator discharge is trimmed to 8.3mA. During under voltage lockout, the output stage can sink at least 10mA at less than 1.2V for VCC over 5V.

    .
    Optimized for off-line and DC to DC converters
    .
    Trimmed oscillator discharge current
    .
    Automatic feed forward compensation
    .
    Pulse-by-pulse current limiting
    .
    Enhanced load response characteristics
    .
    Under-voltage lockout with hysteresis
    .
    Double pulse suppression
    .
    High current totem pole output Internally trimmed bandgap reference
    .
    Low RO Error amplifier
    .
    Green product and no Sb/Br
    View all
    E-UC3842BD1013TR Product overview

    Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up/Step-Down DC-DC Controller IC 8-SO

    View all

UC3845AD8TR Alternative Parts

Image Part Compare Manufacturer Category Description
Image:UC3845AD8TR Mfr.Part#:UC3845AD8TR Compare: Current Part Manufacturers:N/A Category:PWM Controllers Description:Current mode pwm controller 1a 500khz 8pin soic t/r
Image:UC3843AD8TR Mfr.Part#:UC3843AD8TR Compare: UC3845AD8TR VS UC3843AD8TR Manufacturers:N/A Category:PWM Controllers Description:N/a uc3843ad8tr current mode pwm, 30v-7.6v supply, 500khz, 15v/1a out, soic-8
Image:UC3843AD8 Mfr.Part#:UC3843AD8 Compare: UC3845AD8TR VS UC3843AD8 Manufacturers:N/A Category:Voltage Regulators Description:Driver; pwm controller; 1a; 1w; channels:1; 8.4÷30v; 500khz; so8
Image:UC2845AD8TR Mfr.Part#:UC2845AD8TR Compare: UC3845AD8TR VS UC2845AD8TR Manufacturers:N/A Category:PWM Controllers Description:N/a uc2845ad8tr pwm controller switched-mode power supply , 25v-12v supply, 450khz, 15v/200ma out, soic-8