Startseite Energiemanagement AC/DC- und DC/DC-Controller (externer FET)

UCC2813-1-Q1

AKTIV

Unsymmetrischer Strommodus-PWM-Controller, 1 MHz, Automobil, 9,4-V-/ 7,4-V-UVLO, 50 % Tastverhältnis

Produktdetails

Rating Automotive Topology Boost, Flyback, Forward Vin (max) (V) 11 Control mode Current Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Leading edge blanking, Multi-topology, Soft start Operating temperature range (°C) -40 to 125 Duty cycle (max) (%) 50
Rating Automotive Topology Boost, Flyback, Forward Vin (max) (V) 11 Control mode Current Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Leading edge blanking, Multi-topology, Soft start Operating temperature range (°C) -40 to 125 Duty cycle (max) (%) 50
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temp. grade 1: –40°C to 125°C TA
    • Device HBM classification level 2: ±2kV
    • Device CDM classification level C5: >1000V
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • 100µA typical starting supply current
  • 500µA typical operating supply current
  • Operation to 1MHz
  • Internal soft start
  • Internal fault soft start
  • Internal leading-edge blanking of the current-sense signal
  • 1A totem-pole output
  • 70ns typical response from current-sense to gate-drive output
  • 1.5% tolerance voltage reference
  • Same pinout as the UCC3802 device, UC3842 device, and UC3842A device families
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temp. grade 1: –40°C to 125°C TA
    • Device HBM classification level 2: ±2kV
    • Device CDM classification level C5: >1000V
  • Functional Safety-Capable
    • Documentation available to aid functional safety system design
  • 100µA typical starting supply current
  • 500µA typical operating supply current
  • Operation to 1MHz
  • Internal soft start
  • Internal fault soft start
  • Internal leading-edge blanking of the current-sense signal
  • 1A totem-pole output
  • 70ns typical response from current-sense to gate-drive output
  • 1.5% tolerance voltage reference
  • Same pinout as the UCC3802 device, UC3842 device, and UC3842A device families

The UCC2813-x-Q1 device family of high-speed, low-power integrated circuits contains all of the control and drive components required for off-line and DC-to-DC fixed-frequency current-mode switching power supplies with minimal parts count.

These devices have the same pin configuration as the UC284x device family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

The UCC2813-x-Q1 device family offers a variety of package options, choice of maximum duty cycle, and choice of critical voltage levels. Devices with lower reference voltage such as the UCC2813-3-Q1 and UCC2813-5-Q1 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC2813-2-Q1 device and UCC2813-4-Q1 device make these ideal choices for use in off-line power supplies.

The UCC2813-x-Q1 device series is specified for operation from –40°C to 125°C.

The UCC2813-x-Q1 device family of high-speed, low-power integrated circuits contains all of the control and drive components required for off-line and DC-to-DC fixed-frequency current-mode switching power supplies with minimal parts count.

These devices have the same pin configuration as the UC284x device family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

The UCC2813-x-Q1 device family offers a variety of package options, choice of maximum duty cycle, and choice of critical voltage levels. Devices with lower reference voltage such as the UCC2813-3-Q1 and UCC2813-5-Q1 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC2813-2-Q1 device and UCC2813-4-Q1 device make these ideal choices for use in off-line power supplies.

The UCC2813-x-Q1 device series is specified for operation from –40°C to 125°C.

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Technische Dokumentation

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* Data sheet UCC2813-x-Q1 Automotive Low-Power Economy BiCMOS Current-Mode PWM datasheet (Rev. F) PDF | HTML 25 Apr 2025

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